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  2. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    1 1 10 6: Million Million Million M Mega-2 1 10 9: Billion Thousand million Milliard G Giga-3 2 10 12: Trillion Billion Billion T Tera-4 2 10 15: Quadrillion Thousand billion Billiard P Peta-5 3 10 18: Quintillion Trillion Trillion E Exa-6 3 10 21: Sextillion Thousand trillion Trilliard Z Zetta-7 4 10 24: Septillion Quadrillion Quadrillion Y ...

  3. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    Rayo's number is a large number named after Agustín Rayo which has been claimed to be the largest ... 10 15 = 1,000,000,000,000,000 = 1 million billion = 1 quadrillion;

  4. Orders of magnitude (numbers) - Wikipedia

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

    1/52! chance of a specific shuffle Mathematics: The chances of shuffling a standard 52-card deck in any specific order is around 1.24 × 10 −68 (or exactly 1 ⁄ 52!) [4] Computing: The number 1.4 × 10 −45 is approximately equal to the smallest positive non-zero value that can be represented by a single-precision IEEE floating-point value.

  5. Order of magnitude - Wikipedia

    en.wikipedia.org/wiki/Order_of_magnitude

    [1] For example, 1 and 1.02 are within an order of magnitude. So are 1 and 2, 1 and 9, or 1 and 0.2. However, 1 and 15 are not within an order of magnitude, since their ratio is 15/1 = 15 > 10. The reciprocal ratio, 1/15, is less than 0.1, so the same result is obtained.

  6. Indian numbering system - Wikipedia

    en.wikipedia.org/wiki/Indian_numbering_system

    The Indian system is decimal (base-10), same as in the West, and the first five orders of magnitude are named in a similar way: one (10 0), ten (10 1), one hundred (10 2), one thousand (10 3), and ten thousand (10 4). For higher powers of ten, naming diverges.

  7. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    The decay time for a supermassive black hole of roughly 1 galaxy-mass (10 11 solar masses) due to Hawking radiation is on the order of 10 100 years. [7] Therefore, the heat death of an expanding universe is lower-bounded to occur at least one googol years in the future. A googol is considerably smaller than a centillion. [8]

  8. Orders of magnitude (length) - Wikipedia

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

    1.280 km – span of the Golden Gate Bridge (distance between towers) [138] 1.609 km – 1 statute mile; 1.852 km – 1 nautical mile, equal to 1 arcminute of latitude at the surface of the Earth [139] 1.991 km – span of the Akashi Kaikyō Bridge [140] 2.309 km – axial length of the Three Gorges Dam, the largest dam in the world located in ...

  9. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    Thus, in France and Italy, some scientists then began using billion to mean 10 9, trillion to mean 10 12, etc. [28] This usage formed the origins of the later short scale. The majority of scientists either continued to say thousand million or changed the meaning of the Pelletier term, milliard , from "million of millions" down to "thousand ...