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million million 10 9: giga billion or milliard milliard 10 12: tera trillion billion 10 15: peta quadrillion billiard 10 18: exa quintillion trillion 10 21: zetta sextillion trilliard 10 24: yotta septillion quadrillion 10 27: ronna octillion quadrilliard 10 30: quetta nonillion quintillion
Traditional British usage assigned new names for each power of one million (the long scale): 1,000,000 = 1 million; 1,000,000 2 = 1 billion; 1,000,000 3 = 1 trillion; and so on. It was adapted from French usage, and is similar to the system that was documented or invented by Chuquet.
For example, a billion is represented as 13 characters (1,000,000,000) in decimal format, but is only 3 characters (10 9) when expressed in exponential format. A trillion is 17 characters in decimal, but only 4 (10 12) in exponential. Values that vary dramatically can be represented and compared graphically via logarithmic scale.
1000 million Mark Notgeld banknote (1923) of Frankfurt am Main. According to the Oxford English Dictionary, the word billion was formed in the 16th century (from million and the prefix bi-, "two"), meaning the second power of a million (1,000,000 2 = 10 12). This long scale definition was similarly applied to trillion, quadrillion and so on ...
The financial and general news media mostly use m or M, b or B, and t or T as abbreviations for million, billion (10 9) and trillion (10 12), respectively, for large quantities, typically currency [28] and population. [29] The medical and automotive fields in the United States use the abbreviations cc or ccm for cubic centimetres.
One billion years may be called an eon in astronomy or geology. Previously in British English (but not in American English), the word "billion" referred exclusively to a million millions (1,000,000,000,000). However, this is not common anymore, and the word has been used to mean one thousand million (1,000,000,000) for several decades. [5]
the long scale — designates a system of numeric names formerly used in British English, but now obsolete, in which a billion is used for a million million (and similarly, with trillion, quadrillion etc., the prefix denoting the power of a million); and a thousand million is sometimes called a milliard. This system is still used in several ...
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 British English.