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  2. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    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.

  3. Orders of magnitude (numbers) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(numbers)

    Genocide/Famine: 55 million is an estimated upper bound for the death toll of the Great Chinese Famine. Literature: Wikipedia contains a total of around 64 million articles in 353 languages as of January 2025. War: 70 to 85 million casualties estimated as a result of World War II. Mathematics: 73,939,133 is the largest right-truncatable prime.

  4. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    For example "billion" may be easier to comprehend for some readers than "1,000,000,000". But, as names, a numeric value can be lengthy. For example, "2,345,789" is "two million, three hundred forty five thousand, seven hundred and eighty nine".

  5. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    The root mil in million does not refer to the numeral, 1. The word, million, derives from the Old French, milion, from the earlier Old Italian, milione, an intensification of the Latin word, mille, a thousand. That is, a million is a big thousand, much as a great gross is a dozen gross or 12 × 144 = 1728. [7]

  6. Power of 10 - Wikipedia

    en.wikipedia.org/wiki/Power_of_10

    Visualisation of powers of 10 from one to 1 trillion. In mathematics, 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).

  7. English numerals - Wikipedia

    en.wikipedia.org/wiki/English_numerals

    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 ...

  8. 1,000,000,000 - Wikipedia

    en.wikipedia.org/wiki/1,000,000,000

    This is an accepted version of this page This is the latest accepted revision, reviewed on 20 January 2025. See also: Orders of magnitude (numbers) and Long and short scales Natural number 1000000000 List of numbers Integers ← 10 0 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 Cardinal One billion (short scale) One thousand million, or one milliard (long scale) Ordinal One billionth (short ...

  9. Orders of magnitude (frequency) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    The Hubble constant (once in 13.8 billion years) 10 −17: 10 aHz ~79 aHz: Supercontinent cycle (about every 400 million years) 10 −16: 100 aHz ~137.8 aHz: Once per galactic year (about every 230 million years) 10 −15: 1 femtohertz (fHz) ~3 fHz: Sound waves created by a supermassive black hole in the Perseus cluster [1] 10 −14: 10 fHz ~31 ...