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  2. Orders of magnitude (numbers) - Wikipedia

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

    100 000 000 000; short scale: one hundred billion; long scale: hundred thousand million, or hundred milliard) Astronomy: There are 100 billion planets located in the Milky Way. [30] [31] Biology – Neurons in the brain: approximately (1±0.2) × 10 11 neurons in the human brain. [32]

  3. Power of 10 - Wikipedia

    en.wikipedia.org/wiki/Power_of_10

    This is generally used to denote powers of 10. Where n is positive, this indicates the number of zeros after the number, and where the n is negative, this indicates the number of decimal places before the number. As an example: 10 5 = 100,000 [1] 10 −5 = 0.00001 [2]

  4. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    A googol is the large number 10 100 or ten to the power of one hundred. In decimal notation, it is written as the digit 1 followed by one hundred zeros: 10, 000, 000 ...

  5. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    For example 1,000,000,000,000 rather than 1 trillion (short scale) or 1 billion (long scale). ... one too many zeros in the 804300 portion of the fully written out ...

  6. Googolplex - Wikipedia

    en.wikipedia.org/wiki/Googolplex

    Therefore, it requires 10 94 such books to print all the zeros of a googolplex (that is, printing a googol zeros). [4] If each book had a mass of 100 grams, all of them would have a total mass of 10 93 kilograms. In comparison, Earth's mass is 5.97 × 10 24 kilograms, [5] the mass of the Milky Way galaxy is estimated at 1.8 × 10 42 kilograms ...

  7. Billion - Wikipedia

    en.wikipedia.org/wiki/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 ...

  8. How Many Billionaires Are in the World? - AOL

    www.aol.com/finance/many-billionaires-world...

    1. Elon Musk, $250.5 Billion. Musk’s net worth has surged in recent years. While still an incredible amount of money, the 51-year-old founder of six companies was worth just $24.6 billion in ...

  9. 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 ...