21463

21,463 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21463 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

21463 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21463:

132 × 127

(13 × 13 × 127)

See below for interesting mathematical facts about the number 21463 from the Numbermatics database.


Names of 21463

  • Cardinal: 21463 can be written as Twenty-one thousand, four hundred sixty-three.

Scientific notation

  • Scientific notation: 2.1463 × 104

Factors of 21463

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 140

Divisors of 21463

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 23424
  • Sum of proper divisors (its aliquot sum) s(n): 1961
  • 21463 is a deficient number, because the sum of its proper divisors (1961) is less than itself. Its deficiency is 19502

Bases of 21463

  • Binary: 1010011110101112
  • Hexadecimal: 0x53D7
  • Base-36: GK7

Squares and roots of 21463

  • 21463 squared (214632) is 460660369
  • 21463 cubed (214633) is 9887153499847
  • The square root of 21463 is 146.5025597047
  • The cube root of 21463 is 27.7905286645

Scales and comparisons

How big is 21463?
  • 21,463 seconds is equal to 5 hours, 57 minutes, 43 seconds.
  • To count from 1 to 21,463 would take you about five hours.

    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 21463 cubic inches would be around 2.3 feet tall.

Recreational maths with 21463

  • 21463 backwards is 36412
  • The number of decimal digits it has is: 5
  • The sum of 21463's digits is 16
  • More coming soon!

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"Number 21463 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 21463 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/21463/

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Numbermatics. 2024. "Number 21463 - Facts about the integer". https://numbermatics.com/n/21463/

The information we have on file for 21463 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 21463, math, Factors of 21463, curriculum, school, college, exams, university, Prime factorization of 21463, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, four hundred sixty-three.

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