399138790961664

399,138,790,961,664 is an even composite number composed of seven prime numbers multiplied together.

What does the number 399138790961664 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 2160 divisors.

399138790961664 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two thousand, one hundred sixty divisors.

Prime factorization of 399138790961664:

29 × 32 × 132 × 19 × 47 × 61 × 972

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 19 × 47 × 61 × 97 × 97)

See below for interesting mathematical facts about the number 399138790961664 from the Numbermatics database.


Names of 399138790961664

  • Cardinal: 399138790961664 can be written as Three hundred ninety-nine trillion, one hundred thirty-eight billion, seven hundred ninety million, nine hundred sixty-one thousand, six hundred sixty-four.

Scientific notation

  • Scientific notation: 3.99138790961664 × 1014

Factors of 399138790961664

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 242

Divisors of 399138790961664

Bases of 399138790961664

  • Binary: 10110101100000011101111011101100111110010000000002
  • Hexadecimal: 0x16B03BDD9F200
  • Base-36: 3XHDTUOHS0

Squares and roots of 399138790961664

  • 399138790961664 squared (3991387909616642) is 159311774450338911617917648896
  • 399138790961664 cubed (3991387909616643) is 63587509040065586538103311802127433747922944
  • The square root of 399138790961664 is 19978458.1727836045
  • The cube root of 399138790961664 is 73627.7132906117

Scales and comparisons

How big is 399138790961664?
  • 399,138,790,961,664 seconds is equal to 12,691,378 years, 48 weeks, 4 days, 10 hours, 14 minutes, 24 seconds.
  • To count from 1 to 399,138,790,961,664 would take you about thirty-one million, seven hundred twenty-eight thousand, four hundred forty-seven 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 399138790961664 cubic inches would be around 6135.6 feet tall.

Recreational maths with 399138790961664

  • 399138790961664 backwards is 466169097831993
  • The number of decimal digits it has is: 15
  • The sum of 399138790961664's digits is 81
  • More coming soon!

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"Number 399138790961664 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.

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Numbermatics. (2024). Number 399138790961664 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/399138790961664/

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The information we have on file for 399138790961664 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 399138790961664, math, Factors of 399138790961664, curriculum, school, college, exams, university, Prime factorization of 399138790961664, STEM, science, technology, engineering, physics, economics, calculator, three hundred ninety-nine trillion, one hundred thirty-eight billion, seven hundred ninety million, nine hundred sixty-one thousand, six hundred sixty-four.

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