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Billion. Billion is a word for a large number, and it has two distinct definitions: 1,000,000,000, i.e. one thousand million, or 10 9 (ten to the ninth power ), as defined on the short scale. This is now the most common sense of the word in all varieties of English; it has long been established in American English and has since become common in ...
0.000 000 000 001; 1000 −4; short scale: one trillionth; long scale: one billionth) ISO: pico-(p) Mathematics: The probability in a game of bridge of one player getting a complete suit is approximately 2.52 × 10 −11 (0.000 000 002 52%). Biology: Human visual sensitivity to 1000 nm light is approximately 1.0 × 10 −10 of its peak ...
This section illustrates several systems for naming large numbers, and shows how they can be extended past vigintillion . Traditional British usage assigned new names for each power of one million (the long scale ): 1,000,000 = 1 million; 1,000,0002 = 1 billion; 1,000,0003 = 1 trillion; and so on. It was adapted from French usage, and is ...
In the short scale, a billion (in many countries called a "milliard") means a thousand millions (1,000,000,000, which is 10 9), a trillion means one thousand billions (10 12), and so on. Thus, a short scale n -illion equals 10 3 n +3 .
Trillion. Visualization of 1 trillion (short scale) A Rubik's cube, which has about 43 trillion (long scale) possible positions. Trillion is a number with two distinct definitions: 1,000,000,000,000, i.e. one million million, or 10 12 (ten to the twelfth power ), as defined on the short scale. This is now the meaning in both American and ...
Power of 10. Visualisation of powers of 10 from one to 1 trillion. A power of 10 is any of the integer powers of the number ten; in other words, ten multiplied by itself a certain number of times (when the power is a positive integer). By definition, the number one is a power (the zeroth power) of ten. The first few non-negative powers of ten are:
With a number, "billion" can be abbreviated as b, bil [citation needed] or bn. [2] [3] In standard form, it is written as 1 × 10 9. The metric prefix giga indicates 1,000,000,000 times the base unit. Its symbol is G. One billion years may be called an eon in astronomy or geology.
Giga- ( / ˈɡɪɡə / or / ˈdʒɪɡə /) is a unit prefix in the metric system denoting a factor of a short-scale billion or long-scale milliard (10 9 or 1,000,000,000 ). It has the symbol G . Giga- is derived from the Greek word γίγας ( gígas ), meaning "giant". The Oxford English Dictionary reports the earliest written use of giga in ...