20806

20,806 is an even composite number composed of three prime numbers multiplied together.

What does the number 20806 look like?

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

20806 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 20806:

2 × 101 × 103

See below for interesting mathematical facts about the number 20806 from the Numbermatics database.


Names of 20806

  • Cardinal: 20806 can be written as Twenty thousand, eight hundred six.

Scientific notation

  • Scientific notation: 2.0806 × 104

Factors of 20806

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 206

Divisors of 20806

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 31824
  • Sum of proper divisors (its aliquot sum) s(n): 11018
  • 20806 is a deficient number, because the sum of its proper divisors (11018) is less than itself. Its deficiency is 9788

Bases of 20806

  • Binary: 1010001010001102
  • Hexadecimal: 0x5146
  • Base-36: G1Y

Squares and roots of 20806

  • 20806 squared (208062) is 432889636
  • 20806 cubed (208063) is 9006701766616
  • The square root of 20806 is 144.2428507761
  • The cube root of 20806 is 27.5040214505

Scales and comparisons

How big is 20806?
  • 20,806 seconds is equal to 5 hours, 46 minutes, 46 seconds.
  • To count from 1 to 20,806 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 20806 cubic inches would be around 2.3 feet tall.

Recreational maths with 20806

  • 20806 backwards is 60802
  • The number of decimal digits it has is: 5
  • The sum of 20806's digits is 16
  • More coming soon!

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"Number 20806 - Facts about the integer". Numbermatics.com. 2023. Web. 3 February 2023.

APA style:
Numbermatics. (2023). Number 20806 - Facts about the integer. Retrieved 3 February 2023, from https://numbermatics.com/n/20806/

Chicago style:
Numbermatics. 2023. "Number 20806 - Facts about the integer". https://numbermatics.com/n/20806/

The information we have on file for 20806 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 20806, math, Factors of 20806, curriculum, school, college, exams, university, Prime factorization of 20806, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, eight hundred six.

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