81440412318720

81,440,412,318,720 is an even composite number composed of six prime numbers multiplied together.

What does the number 81440412318720 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 2640 divisors.

81440412318720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, six hundred forty divisors.

Prime factorization of 81440412318720:

210 × 34 × 5 × 7 × 133 × 1132

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 13 × 13 × 13 × 113 × 113)

See below for interesting mathematical facts about the number 81440412318720 from the Numbermatics database.


Names of 81440412318720

  • Cardinal: 81440412318720 can be written as Eighty-one trillion, four hundred forty billion, four hundred twelve million, three hundred eighteen thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 8.144041231872 × 1013

Factors of 81440412318720

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 143

Divisors of 81440412318720

Bases of 81440412318720

  • Binary: 100101000010001110100101101100010111100000000002
  • Hexadecimal: 0x4A11D2D8BC00
  • Base-36: SV97IRK00

Squares and roots of 81440412318720

  • 81440412318720 squared (814404123187202) is 6632540758643120326862438400
  • 81440412318720 cubed (814404123187203) is 540156854104611670979986961198217166848000
  • The square root of 81440412318720 is 9024434.1827463067
  • The cube root of 81440412318720 is 43345.7632494983

Scales and comparisons

How big is 81440412318720?
  • 81,440,412,318,720 seconds is equal to 2,589,553 years, 10 weeks, 2 days, 19 hours, 12 minutes.
  • To count from 1 to 81,440,412,318,720 would take you about six million, four hundred seventy-three thousand, eight hundred eighty-three 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 81440412318720 cubic inches would be around 3612.1 feet tall.

Recreational maths with 81440412318720

  • 81440412318720 backwards is 02781321404418
  • 81440412318720 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 81440412318720's digits is 45
  • More coming soon!

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"Number 81440412318720 - Facts about the integer". Numbermatics.com. 2024. Web. 10 May 2024.

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Numbermatics. (2024). Number 81440412318720 - Facts about the integer. Retrieved 10 May 2024, from https://numbermatics.com/n/81440412318720/

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Numbermatics. 2024. "Number 81440412318720 - Facts about the integer". https://numbermatics.com/n/81440412318720/

The information we have on file for 81440412318720 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!

Keywords: Divisors of 81440412318720, math, Factors of 81440412318720, curriculum, school, college, exams, university, Prime factorization of 81440412318720, STEM, science, technology, engineering, physics, economics, calculator, eighty-one trillion, four hundred forty billion, four hundred twelve million, three hundred eighteen thousand, seven hundred twenty.

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