81243712263436800

81,243,712,263,436,800 is an even composite number composed of eight prime numbers multiplied together.

What does the number 81243712263436800 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 9720 divisors.

81243712263436800 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of nine thousand, seven hundred twenty divisors.

Prime factorization of 81243712263436800:

29 × 3 × 52 × 7 × 112 × 232 × 412 × 532

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 11 × 11 × 23 × 23 × 41 × 41 × 53 × 53)

See below for interesting mathematical facts about the number 81243712263436800 from the Numbermatics database.


Names of 81243712263436800

  • Cardinal: 81243712263436800 can be written as Eighty-one quadrillion, two hundred forty-three trillion, seven hundred twelve billion, two hundred sixty-three million, four hundred thirty-six thousand, eight hundred.

Scientific notation

  • Scientific notation: 8.12437122634368 × 1016

Factors of 81243712263436800

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 145

Divisors of 81243712263436800

Bases of 81243712263436800

  • Binary: 1001000001010001010111001110100011011001000111010000000002
  • Hexadecimal: 0x120A2B9D1B23A00
  • Base-36: M7YHQ5Z5T6O

Squares and roots of 81243712263436800

  • 81243712263436800 squared (812437122634368002) is 6600540782344111088202147594240000
  • 81243712263436800 cubed (812437122634368003) is 536252436103844988116131000848418934234284032000000
  • The square root of 81243712263436800 is 285032826.6418392727
  • The cube root of 81243712263436800 is 433108.3796985479

Scales and comparisons

How big is 81243712263436800?
  • 81,243,712,263,436,800 seconds is equal to 2,583,298,746 years, 35 weeks, 18 hours, 40 minutes.
  • To count from 1 to 81,243,712,263,436,800 would take you about seven billion, seven hundred forty-nine million, eight hundred ninety-six thousand, two hundred forty 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 81243712263436800 cubic inches would be around 36092.4 feet tall.

Recreational maths with 81243712263436800

  • 81243712263436800 backwards is 00863436221734218
  • 81243712263436800 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81243712263436800's digits is 60
  • More coming soon!

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"Number 81243712263436800 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.

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Numbermatics. (2024). Number 81243712263436800 - Facts about the integer. Retrieved 4 May 2024, from https://numbermatics.com/n/81243712263436800/

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Numbermatics. 2024. "Number 81243712263436800 - Facts about the integer". https://numbermatics.com/n/81243712263436800/

The information we have on file for 81243712263436800 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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