21001731477

21,001,731,477 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21001731477 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

21001731477 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 21001731477:

3 × 7000577159

See below for interesting mathematical facts about the number 21001731477 from the Numbermatics database.


Names of 21001731477

  • Cardinal: 21001731477 can be written as Twenty-one billion, one million, seven hundred thirty-one thousand, four hundred seventy-seven.

Scientific notation

  • Scientific notation: 2.1001731477 × 1010

Factors of 21001731477

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 7000577162

Divisors of 21001731477

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 28002308640
  • Sum of proper divisors (its aliquot sum) s(n): 7000577163
  • 21001731477 is a deficient number, because the sum of its proper divisors (7000577163) is less than itself. Its deficiency is 14001154314

Bases of 21001731477

  • Binary: 100111000111100110011111101100101012
  • Hexadecimal: 0x4E3CCFD95
  • Base-36: 9NBVZPX

Squares and roots of 21001731477

  • 21001731477 squared (210017314772) is 441072725032012601529
  • 21001731477 cubed (210017314773) is 9263290932950984886192257628333
  • The square root of 21001731477 is 144919.7415019775
  • The cube root of 21001731477 is 2758.9999999125

Scales and comparisons

How big is 21001731477?
  • 21,001,731,477 seconds is equal to 667 years, 41 weeks, 14 hours, 17 minutes, 57 seconds.
  • To count from 1 to 21,001,731,477 would take you about one thousand, three hundred thirty-five 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 21001731477 cubic inches would be around 229.9 feet tall.

Recreational maths with 21001731477

  • 21001731477 backwards is 77413710012
  • The number of decimal digits it has is: 11
  • The sum of 21001731477's digits is 33
  • More coming soon!

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"Number 21001731477 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

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Numbermatics. (2024). Number 21001731477 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/21001731477/

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Numbermatics. 2024. "Number 21001731477 - Facts about the integer". https://numbermatics.com/n/21001731477/

The information we have on file for 21001731477 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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