21389907001

21,389,907,001 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21389907001 look like?

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

21389907001 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 21389907001:

19 × 1125784579

See below for interesting mathematical facts about the number 21389907001 from the Numbermatics database.


Names of 21389907001

  • Cardinal: 21389907001 can be written as Twenty-one billion, three hundred eighty-nine million, nine hundred seven thousand and one.

Scientific notation

  • Scientific notation: 2.1389907001 × 1010

Factors of 21389907001

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1125784598

Divisors of 21389907001

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 22515691600
  • Sum of proper divisors (its aliquot sum) s(n): 1125784599
  • 21389907001 is a deficient number, because the sum of its proper divisors (1125784599) is less than itself. Its deficiency is 20264122402

Bases of 21389907001

  • Binary: 100111110101111000000010100001110012
  • Hexadecimal: 0x4FAF01439
  • Base-36: 9TQZXVD

Squares and roots of 21389907001

  • 21389907001 squared (213899070012) is 457528121511428814001
  • 21389907001 cubed (213899070013) is 9786483969471689890113116721001
  • The square root of 21389907001 is 146252.8871544077
  • The cube root of 21389907001 is 2775.8945578373

Scales and comparisons

How big is 21389907001?
  • 21,389,907,001 seconds is equal to 680 years, 6 weeks, 6 days, 8 hours, 50 minutes, 1 second.
  • To count from 1 to 21,389,907,001 would take you about one thousand, three hundred sixty 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 21389907001 cubic inches would be around 231.3 feet tall.

Recreational maths with 21389907001

  • 21389907001 backwards is 10070998312
  • The number of decimal digits it has is: 11
  • The sum of 21389907001's digits is 40
  • More coming soon!

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"Number 21389907001 - Facts about the integer". Numbermatics.com. 2024. Web. 6 June 2024.

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Numbermatics. (2024). Number 21389907001 - Facts about the integer. Retrieved 6 June 2024, from https://numbermatics.com/n/21389907001/

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The information we have on file for 21389907001 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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