81363998897344800

81,363,998,897,344,800 is an even composite number composed of nine prime numbers multiplied together.

What does the number 81363998897344800 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 18432 divisors.

81363998897344800 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of eighteen thousand, four hundred thirty-two divisors.

Prime factorization of 81363998897344800:

25 × 33 × 52 × 73 × 13 × 193 × 29 × 31 × 137

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 7 × 13 × 19 × 19 × 19 × 29 × 31 × 137)

See below for interesting mathematical facts about the number 81363998897344800 from the Numbermatics database.


Names of 81363998897344800

  • Cardinal: 81363998897344800 can be written as Eighty-one quadrillion, three hundred sixty-three trillion, nine hundred ninety-eight billion, eight hundred ninety-seven million, three hundred forty-four thousand, eight hundred.

Scientific notation

  • Scientific notation: 8.13639988973448 × 1016

Factors of 81363998897344800

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 246

Divisors of 81363998897344800

Bases of 81363998897344800

  • Binary: 1001000010001000000100000001110111100100000010001001000002
  • Hexadecimal: 0x12110203BC81120
  • Base-36: M954P2ZA4O0

Squares and roots of 81363998897344800

  • 81363998897344800 squared (813639988973448002) is 6620100316567125830248490087040000
  • 81363998897344800 cubed (813639988973448003) is 538637834857479587467950701664107673376891392000000
  • The square root of 81363998897344800 is 285243753.4764693143
  • The cube root of 81363998897344800 is 433322.0227309675

Scales and comparisons

How big is 81363998897344800?
  • 81,363,998,897,344,800 seconds is equal to 2,587,123,489 years, 29 weeks, 1 day, 18 hours.
  • To count from 1 to 81,363,998,897,344,800 would take you about seven billion, seven hundred sixty-one million, three hundred seventy thousand, four hundred sixty-eight years!

    This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

  • A cube with a volume of 81363998897344800 cubic inches would be around 36110.2 feet tall.

Recreational maths with 81363998897344800

  • 81363998897344800 backwards is 00844379889936318
  • 81363998897344800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81363998897344800's digits is 90
  • More coming soon!

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"Number 81363998897344800 - Facts about the integer". Numbermatics.com. 2024. Web. 25 June 2024.

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Numbermatics. (2024). Number 81363998897344800 - Facts about the integer. Retrieved 25 June 2024, from https://numbermatics.com/n/81363998897344800/

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The information we have on file for 81363998897344800 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

Keywords: Divisors of 81363998897344800, math, Factors of 81363998897344800, curriculum, school, college, exams, university, Prime factorization of 81363998897344800, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, three hundred sixty-three trillion, nine hundred ninety-eight billion, eight hundred ninety-seven million, three hundred forty-four thousand, eight hundred.

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