21832

21,832 is an even composite number composed of two prime numbers multiplied together.

What does the number 21832 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

21832 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21832:

23 × 2729

(2 × 2 × 2 × 2729)

See below for interesting mathematical facts about the number 21832 from the Numbermatics database.


Names of 21832

  • Cardinal: 21832 can be written as Twenty-one thousand, eight hundred thirty-two.

Scientific notation

  • Scientific notation: 2.1832 × 104

Factors of 21832

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 2731

Divisors of 21832

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 40950
  • Sum of proper divisors (its aliquot sum) s(n): 19118
  • 21832 is a deficient number, because the sum of its proper divisors (19118) is less than itself. Its deficiency is 2714

Bases of 21832

  • Binary: 1010101010010002
  • Hexadecimal: 0x5548
  • Base-36: GUG

Squares and roots of 21832

  • 21832 squared (218322) is 476636224
  • 21832 cubed (218323) is 10405922042368
  • The square root of 21832 is 147.7565565381
  • The cube root of 21832 is 27.9488863413

Scales and comparisons

How big is 21832?
  • 21,832 seconds is equal to 6 hours, 3 minutes, 52 seconds.
  • To count from 1 to 21,832 would take you about six 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 21832 cubic inches would be around 2.3 feet tall.

Recreational maths with 21832

  • 21832 backwards is 23812
  • The number of decimal digits it has is: 5
  • The sum of 21832's digits is 16
  • More coming soon!

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"Number 21832 - Facts about the integer". Numbermatics.com. 2024. Web. 5 March 2024.

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Numbermatics. (2024). Number 21832 - Facts about the integer. Retrieved 5 March 2024, from https://numbermatics.com/n/21832/

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Numbermatics. 2024. "Number 21832 - Facts about the integer". https://numbermatics.com/n/21832/

The information we have on file for 21832 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 21832, math, Factors of 21832, curriculum, school, college, exams, university, Prime factorization of 21832, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, eight hundred thirty-two.

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