81964162989072

81,964,162,989,072 is an even composite number composed of eight prime numbers multiplied together.

What does the number 81964162989072 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 1280 divisors.

81964162989072 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of one thousand, two hundred eighty divisors.

Prime factorization of 81964162989072:

24 × 33 × 7 × 13 × 31 × 71 × 727 × 1303

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 7 × 13 × 31 × 71 × 727 × 1303)

See below for interesting mathematical facts about the number 81964162989072 from the Numbermatics database.


Names of 81964162989072

  • Cardinal: 81964162989072 can be written as Eighty-one trillion, nine hundred sixty-four billion, one hundred sixty-two million, nine hundred eighty-nine thousand and seventy-two.

Scientific notation

  • Scientific notation: 8.1964162989072 × 1013

Factors of 81964162989072

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 13
  • Sum of prime factors: 2157

Divisors of 81964162989072

Bases of 81964162989072

  • Binary: 100101010001011110001001101000110111100000100002
  • Hexadecimal: 0x4A8BC4D1BC10
  • Base-36: T1XTEE3O0

Squares and roots of 81964162989072

  • 81964162989072 squared (819641629890722) is 6718124014499160253591421184
  • 81964162989072 cubed (819641629890723) is 550645411705207875158041758075781941301248
  • The square root of 81964162989072 is 9053406.1539882327
  • The cube root of 81964162989072 is 43438.4849423523

Scales and comparisons

How big is 81964162989072?
  • 81,964,162,989,072 seconds is equal to 2,606,206 years, 44 weeks, 1 day, 20 hours, 31 minutes, 12 seconds.
  • To count from 1 to 81,964,162,989,072 would take you about six million, five hundred fifteen thousand, five hundred seventeen 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 81964162989072 cubic inches would be around 3619.9 feet tall.

Recreational maths with 81964162989072

  • 81964162989072 backwards is 27098926146918
  • 81964162989072 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 81964162989072's digits is 72
  • More coming soon!

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"Number 81964162989072 - Facts about the integer". Numbermatics.com. 2024. Web. 1 June 2024.

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Numbermatics. (2024). Number 81964162989072 - Facts about the integer. Retrieved 1 June 2024, from https://numbermatics.com/n/81964162989072/

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Numbermatics. 2024. "Number 81964162989072 - Facts about the integer". https://numbermatics.com/n/81964162989072/

The information we have on file for 81964162989072 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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