20829

20,829 is an odd composite number composed of three prime numbers multiplied together.

What does the number 20829 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

20829 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 20829:

3 × 53 × 131

See below for interesting mathematical facts about the number 20829 from the Numbermatics database.


Names of 20829

  • Cardinal: 20829 can be written as Twenty thousand, eight hundred twenty-nine.

Scientific notation

  • Scientific notation: 2.0829 × 104

Factors of 20829

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 187

Divisors of 20829

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 28512
  • Sum of proper divisors (its aliquot sum) s(n): 7683
  • 20829 is a deficient number, because the sum of its proper divisors (7683) is less than itself. Its deficiency is 13146

Bases of 20829

  • Binary: 1010001010111012
  • Hexadecimal: 0x515D
  • Base-36: G2L

Squares and roots of 20829

  • 20829 squared (208292) is 433847241
  • 20829 cubed (208293) is 9036604182789
  • The square root of 20829 is 144.3225554099
  • The cube root of 20829 is 27.5141524949

Scales and comparisons

How big is 20829?
  • 20,829 seconds is equal to 5 hours, 47 minutes, 9 seconds.
  • To count from 1 to 20,829 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 20829 cubic inches would be around 2.3 feet tall.

Recreational maths with 20829

  • 20829 backwards is 92802
  • The number of decimal digits it has is: 5
  • The sum of 20829's digits is 21
  • More coming soon!

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"Number 20829 - Facts about the integer". Numbermatics.com. 2021. Web. 2 March 2021.

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Numbermatics. (2021). Number 20829 - Facts about the integer. Retrieved 2 March 2021, from https://numbermatics.com/n/20829/

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The information we have on file for 20829 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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