81644091346944000

81,644,091,346,944,000 is an even composite number composed of five prime numbers multiplied together.

What does the number 81644091346944000 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 6336 divisors.

81644091346944000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of six thousand, three hundred thirty-six divisors.

Prime factorization of 81644091346944000:

215 × 310 × 53 × 72 × 832

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 7 × 7 × 83 × 83)

See below for interesting mathematical facts about the number 81644091346944000 from the Numbermatics database.


Names of 81644091346944000

  • Cardinal: 81644091346944000 can be written as Eighty-one quadrillion, six hundred forty-four trillion, ninety-one billion, three hundred forty-six million, nine hundred forty-four thousand.

Scientific notation

  • Scientific notation: 8.1644091346944 × 1016

Factors of 81644091346944000

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 32
  • Sum of prime factors: 100

Divisors of 81644091346944000

Bases of 81644091346944000

  • Binary: 1001000100000111011011110010101101011111010000000000000002
  • Hexadecimal: 0x1220EDE56BE8000
  • Base-36: MBWEXS00000

Squares and roots of 81644091346944000

  • 81644091346944000 squared (816440913469440002) is 6665757651868136136178139136000000
  • 81644091346944000 cubed (816440913469440003) is 544219726625713049472255007460433680400384000000000
  • The square root of 81644091346944000 is 285734302.0131534715
  • The cube root of 81644091346944000 is 433818.6847412423

Scales and comparisons

How big is 81644091346944000?
  • 81,644,091,346,944,000 seconds is equal to 2,596,029,563 years, 4 weeks.
  • To count from 1 to 81,644,091,346,944,000 would take you about seven billion, seven hundred eighty-eight million, eighty-eight thousand, six hundred eighty-nine 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 81644091346944000 cubic inches would be around 36151.6 feet tall.

Recreational maths with 81644091346944000

  • 81644091346944000 backwards is 00044964319044618
  • 81644091346944000 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81644091346944000's digits is 63
  • More coming soon!

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"Number 81644091346944000 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

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Numbermatics. (2024). Number 81644091346944000 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/81644091346944000/

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The information we have on file for 81644091346944000 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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