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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. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    For example, the short scale billion is one thousand million (10 9), whereas in the long scale, billion is one million million (10 12). The long scale system includes additional names for interleaved values, typically replacing the word ending "-ion" by "-iard".

  4. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    The number of cells in the human body (estimated at 3.72 × 10 13), or 37.2 trillion/37.2 T [3] The number of bits on a computer hard disk (as of 2024, typically about 10 13, 1–2 TB), or 10 trillion/10T; The number of neuronal connections in the human brain (estimated at 10 14), or 100 trillion/100 T

  5. Trillion - Wikipedia

    en.wikipedia.org/wiki/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 British English.

  6. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    million mega- (M) 1 000 000: 10 6: 6 ... so it is very easily determined without a calculator to be 6. ... But the number names billion, trillion themselves ...

  7. Largest known prime number - Wikipedia

    en.wikipedia.org/wiki/Largest_known_prime_number

    GIMPS will split the US$150,000 prize for the first prime of over 100 million digits with the winning participant. A further US$250,000 prize is offered for the first prime with at least one billion digits. [9] GIMPS also offers a US$3,000 research discovery award for participants who discover a new Mersenne prime of less than 100 million ...

  8. Billion - Wikipedia

    en.wikipedia.org/wiki/Billion

    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 ...

  9. 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.