81326755007709120

81,326,755,007,709,120 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81326755007709120 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 10080 divisors.

81326755007709120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of ten thousand and eighty divisors.

Prime factorization of 81326755007709120:

26 × 33 × 5 × 72 × 134 × 173 × 372

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 13 × 13 × 13 × 13 × 17 × 17 × 17 × 37 × 37)

See below for interesting mathematical facts about the number 81326755007709120 from the Numbermatics database.


Names of 81326755007709120

  • Cardinal: 81326755007709120 can be written as Eighty-one quadrillion, three hundred twenty-six trillion, seven hundred fifty-five billion, seven million, seven hundred nine thousand, one hundred twenty.

Scientific notation

  • Scientific notation: 8.132675500770912 × 1016

Factors of 81326755007709120

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 84

Divisors of 81326755007709120

Bases of 81326755007709120

  • Binary: 1001000001110111001000000101101101111100000111111110000002
  • Hexadecimal: 0x120EE40B6F83FC0
  • Base-36: M8RXFH501C0

Squares and roots of 81326755007709120

  • 81326755007709120 squared (813267550077091202) is 6614041080083940427070630531174400
  • 81326755007709120 cubed (813267550077091203) is 537898498530910438918265243729479030312487190528000
  • The square root of 81326755007709120 is 285178461.6826963669
  • The cube root of 81326755007709120 is 433255.8957752063

Scales and comparisons

How big is 81326755007709120?
  • 81,326,755,007,709,120 seconds is equal to 2,585,939,249 years, 3 weeks, 6 days, 7 hours, 12 minutes.
  • To count from 1 to 81,326,755,007,709,120 would take you about seven billion, seven hundred fifty-seven million, eight hundred seventeen thousand, seven hundred forty-seven 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 81326755007709120 cubic inches would be around 36104.7 feet tall.

Recreational maths with 81326755007709120

  • 81326755007709120 backwards is 02190770055762318
  • 81326755007709120 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81326755007709120's digits is 63
  • More coming soon!

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"Number 81326755007709120 - Facts about the integer". Numbermatics.com. 2024. Web. 24 May 2024.

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Numbermatics. (2024). Number 81326755007709120 - Facts about the integer. Retrieved 24 May 2024, from https://numbermatics.com/n/81326755007709120/

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The information we have on file for 81326755007709120 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!

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