 1000000000 (number)

List of numbers – Integers
100000000 1000000000 10000000000
Cardinal One billion (short scale)
One thousand million (long scale)Ordinal One billionth (short scale) Factorization 2^{9} · 5^{9} Binary 111011100110101100101000000000 Hexadecimal 3B9ACA00 1,000,000,000 (one billion, short scale; one thousand million or milliard, long scale) is the natural number following 999,999,999 and preceding 1,000,000,001.
In scientific notation, it is written as 10^{9}.
In modern (short scale) English usage, it is usually called a billion (although in long scale usage in many other languages, a billion means 1,000,000,000,000 – a million millions). The unambiguous term is a thousand million, which has the same meaning in both scales.
In South Asian English, it is known as 100 crore or 1 arab.
The term milliard can also be used to refer to 1,000,000,000; this name very often appears in other languages, e.g. Norwegian; milliard Danish: milliard, Swedish: miljard, Hebrew:milliard.
This terminology is rarely used in English outside of archaic British English. The SI prefix giga indicates 1,000,000,000 times the base unit.
See Orders of magnitude (numbers) for larger numbers; and long and short scales.
Selected 10digit numbers (1,000,000,000–9,999,999,999)
 1023456789 – smallest pandigital number in base 10
 1026753849 – smallest pandigital square that includes 0
 1073676287 – 15th Carol number
 1073741824 = 2^{30}
 1073807359 – 14th Kynea number
 1129760415 – 23rd Motzkin number
 1134903170 – 45th Fibonacci number
 1162261467 = 3^{19}
 1220703125 = 5^{13}
 1234567890 – pandigital number with the digits in order
 1311738121 – 25th Pell number
 1382958545 – 15th Bell number
 1406818759 – 30th WedderburnEtherington number
 1836311903 – 46th Fibonacci number
 1882341361 – The least prime whose reversal is both square (40391^{2}) and triangular (triangular of 57121).
 1977326743 = 7^{11}
 2147483647 – 8th Mersenne prime and the largest signed 32bit integer
 2147483648 = 2^{31}
 2214502422 – 6th primary pseudoperfect number
 2357947691 = 11^{9}
 2971215073 – 11th Fibonacci prime (47th Fibonacci number)
 3166815962 – 26th Pell number
 3192727797 – 24th Motzkin number
 3323236238 – 31st WedderburnEtherington number
 3405691582 – hexadecimal CAFEBABE; used as a placeholder in programming.
 3405697037 – hexadecimal CAFED00D; used as a placeholder in programming.
 3486784401 = 3^{20}
 4294836223 – 16th Carol number
 4294967291 – Largest prime 32bit unsigned integer
 4294967295 – Maximum 32bit unsigned integer (hexadecimal FFFFFFFF)
 4294967296 = 2^{32}
 4294967297 – the first composite Fermat number
 4295098367 – 15th Kynea number
 4807526976 – 48th Fibonacci number
 5784634181 – 13th alternating factorial
 6103515625  5^{14}
 6210001000 – only selfdescriptive number in base 10
 6227020800 = 13!
 6983776800 – 15th colossally abundant number
 7645370045 – 27th Pell number
 7778742049 – 49th Fibonacci number
 7862958391 – 32nd WedderburnEtherington number
 8589869056 – 6th perfect number
 8589934592 = 2^{33}
 9043402501 – 25th Motzkin number
 9814072356 – largest square pandigital number, largest pandigital pure power
 9876543210 – largest pandigital number without redundant digits
Sense of scale
The facts below give a sense of how large 1,000,000,000 (10^{9}) is in the context of time according to current scientific evidence:
 10^{9} seconds is 114 days short of 32 calendar years (≈ 31.7 years).
 About 10^{9} minutes ago, the Roman Empire was flourishing and Christianity was emerging. (10^{9} minutes is roughly 1,900 years.)
 About 10^{9} hours ago, modern human beings and their ancestors were living in the Stone Age (more precisely, the Middle Paleolithic). (10^{9} hours is roughly 114,000 years.)
 About 10^{9} days ago, Australopithecus, an apelike creature related to an ancestor of modern humans, roamed the African savannas. (10^{9} days is roughly 2.7 million years.)
 About 10^{9} months ago, dinosaurs walked the Earth during the late Cretaceous. (10^{9} months is roughly 82 million years.)
 About 10^{9} years ago, the first multicellular eukaryotes appeared on Earth.
 The universe is currently thought to be about 13.7 × 10^{9} years old.
In terms of distance:
 10^{9} inches is 15,783 miles (25,400 km), more than halfway around the world and sufficient to reach any point on the globe from any other point.
 10^{9} metres is almost three times the distance from the Earth to the Moon.
 10^{9} kilometres is over six times the distance from the Earth to the Sun.
In terms of finance:
 The possession of assets with total value of 10^{9} United States dollars would place a person among the world's wealthiest individuals.
 As visualized in a work by artist Michael Marcovici, this amount of money in stacks of hundreddollar bills can fit on twelve wrapped pallets.^{[1]}
In terms of area:
 A billion square inches would be a square about one half mile on a side.
 A piece of finely woven bed sheet cloth that contained a billion holes would measure about 500 square feet (46 m^{2}), large enough to cover a moderate sized apartment.
In terms of volume:
 There are a billion cubic millimeters in a cubic meter.
 A billion grains of table salt or granulated sugar would occupy a volume of about two and a half cubic feet.
 A billion cubic inches would be a volume comparable to a large commercial building slightly larger than a typical supermarket.
In terms of natural landscape; a small mountain, slightly larger than Stone Mountain Georgia, United States, would weigh (have a mass of) a billion tons.
In terms of count:
A is a cube; B consists of 1000 cubes of type A. C consists of 1000 Bs; and D 1000 Cs. Thus there are 1 million As in C; and 1,000,000,000 As in D.
References
 ^ Infosthetics (20090114). One Billion Dollar (Most Expensive Artwork Ever), viewed 20100617.
Categories: Integers
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