81042737932800

81,042,737,932,800 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81042737932800 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 4320 divisors.

81042737932800 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four thousand, three hundred twenty divisors.

Prime factorization of 81042737932800:

29 × 35 × 52 × 72 × 17 × 31 × 1009

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 17 × 31 × 1009)

See below for interesting mathematical facts about the number 81042737932800 from the Numbermatics database.


Names of 81042737932800

  • Cardinal: 81042737932800 can be written as Eighty-one trillion, forty-two billion, seven hundred thirty-seven million, nine hundred thirty-two thousand, eight hundred.

Scientific notation

  • Scientific notation: 8.10427379328 × 1013

Factors of 81042737932800

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 1074

Divisors of 81042737932800

Bases of 81042737932800

  • Binary: 100100110110101001110111001101100101010000000002
  • Hexadecimal: 0x49B53B9B2A00
  • Base-36: SQ6IPPC00

Squares and roots of 81042737932800

  • 81042737932800 squared (810427379328002) is 6567925371644500017315840000
  • 81042737932800 cubed (810427379328003) is 532282654656373259069812683206295552000000
  • The square root of 81042737932800 is 9002374.0164914277
  • The cube root of 81042737932800 is 43275.0954953455

Scales and comparisons

How big is 81042737932800?
  • 81,042,737,932,800 seconds is equal to 2,576,908 years, 20 weeks.
  • To count from 1 to 81,042,737,932,800 would take you about six million, four hundred forty-two thousand, two hundred seventy 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 81042737932800 cubic inches would be around 3606.3 feet tall.

Recreational maths with 81042737932800

  • 81042737932800 backwards is 00823973724018
  • 81042737932800 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 81042737932800's digits is 54
  • More coming soon!

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"Number 81042737932800 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.

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Numbermatics. (2024). Number 81042737932800 - Facts about the integer. Retrieved 4 May 2024, from https://numbermatics.com/n/81042737932800/

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Numbermatics. 2024. "Number 81042737932800 - Facts about the integer". https://numbermatics.com/n/81042737932800/

The information we have on file for 81042737932800 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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