81664101288000

81,664,101,288,000 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81664101288000 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 6720 divisors.

81664101288000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six thousand, seven hundred twenty divisors.

Prime factorization of 81664101288000:

26 × 33 × 53 × 72 × 114 × 17 × 31

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 5 × 7 × 7 × 11 × 11 × 11 × 11 × 17 × 31)

See below for interesting mathematical facts about the number 81664101288000 from the Numbermatics database.


Names of 81664101288000

  • Cardinal: 81664101288000 can be written as Eighty-one trillion, six hundred sixty-four billion, one hundred one million, two hundred eighty-eight thousand.

Scientific notation

  • Scientific notation: 8.1664101288 × 1013

Factors of 81664101288000

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 76

Divisors of 81664101288000

Bases of 81664101288000

  • Binary: 100101001000101111001111011111110001000010000002
  • Hexadecimal: 0x4A45E7BF8840
  • Base-36: SY3YXEHC0

Squares and roots of 81664101288000

  • 81664101288000 squared (816641012880002) is 6669025439176723258944000000
  • 81664101288000 cubed (816641012880003) is 544619968957176611550348267919872000000000
  • The square root of 81664101288000 is 9036819.2019094861
  • The cube root of 81664101288000 is 43385.4123016029

Scales and comparisons

How big is 81664101288000?
  • 81,664,101,288,000 seconds is equal to 2,596,665 years, 42 weeks, 3 days, 12 hours.
  • To count from 1 to 81,664,101,288,000 would take you about six million, four hundred ninety-one thousand, six hundred sixty-four 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 81664101288000 cubic inches would be around 3615.5 feet tall.

Recreational maths with 81664101288000

  • 81664101288000 backwards is 00088210146618
  • 81664101288000 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 81664101288000's digits is 45
  • More coming soon!

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"Number 81664101288000 - Facts about the integer". Numbermatics.com. 2024. Web. 12 May 2024.

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Numbermatics. (2024). Number 81664101288000 - Facts about the integer. Retrieved 12 May 2024, from https://numbermatics.com/n/81664101288000/

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The information we have on file for 81664101288000 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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