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  2. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    The highest numerical value banknote ever printed was a note for 1 sextillion pengő (10 21 or 1 milliard bilpengő as printed) printed in Hungary in 1946. In 2009, Zimbabwe printed a 100 trillion (10 14 ) Zimbabwean dollar note, which at the time of printing was worth about US$30. [ 13 ]

  3. Positional notation - Wikipedia

    en.wikipedia.org/wiki/Positional_notation

    A digit's value is the digit multiplied by the value of its place. Place values are the number of the base raised to the nth power, where n is the number of other digits between a given digit and the radix point.

  4. Numerical digit - Wikipedia

    en.wikipedia.org/wiki/Numerical_digit

    Each successive place to the left of this has a place value equal to the place value of the previous digit times the base. Similarly, each successive place to the right of the separator has a place value equal to the place value of the previous digit divided by the base. For example, in the numeral 10.34 (written in base 10), the 0 is ...

  5. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    In mathematics and computing, a radix point or radix character is a symbol used in the display of numbers to separate the integer part of the value from its fractional part. In English and many other languages (including many that are written right-to-left), the integer part is at the left of the radix point, and the fraction part at the right ...

  6. Indian numbering system - Wikipedia

    en.wikipedia.org/wiki/Indian_numbering_system

    The Indian numbering system is used in Indian English and the Indian subcontinent to express large numbers. Commonly used quantities include lakh (one hundred thousand) and crore (ten million) – written as 1,00,000 and 1,00,00,000 respectively in some locales. [1]

  7. Large numbers - Wikipedia

    en.wikipedia.org/wiki/Large_numbers

    If the value after the double arrow is a very large number itself, the above can recursively be applied to that value. Examples: 10 ↑ ↑ 10 10 10 3.81 × 10 17 {\displaystyle 10\uparrow \uparrow 10^{\,\!10^{10^{3.81\times 10^{17}}}}} (between 10 ↑ ↑ ↑ 2 {\displaystyle 10\uparrow \uparrow \uparrow 2} and 10 ↑ ↑ ↑ 3 {\displaystyle ...

  8. 1,000,000,000 - Wikipedia

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

    (10 9 days is roughly 2.738 million years.) About 10 9 months ago, dinosaurs walked the Earth during the late Cretaceous. (10 9 months is roughly 83.3 million years.) About 10 9 years—a gigaannus—ago, the first multicellular eukaryotes appeared on Earth. About 10 9 decades ago, the thin disk of the Milky Way started to form. (10 9 decades ...

  9. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    Widespread sounding of the word occurs through the name of the company Google, with the name "Google" being an accidental misspelling of "googol" by the company's founders, [9] which was picked to signify that the search engine was intended to provide large quantities of information. [10]