20902

20,902 is an even composite number composed of three prime numbers multiplied together.

What does the number 20902 look like?

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

20902 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 20902:

2 × 7 × 1493

See below for interesting mathematical facts about the number 20902 from the Numbermatics database.


Names of 20902

  • Cardinal: 20902 can be written as Twenty thousand, nine hundred two.

Scientific notation

  • Scientific notation: 2.0902 × 104

Factors of 20902

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 1502

Divisors of 20902

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 35856
  • Sum of proper divisors (its aliquot sum) s(n): 14954
  • 20902 is a deficient number, because the sum of its proper divisors (14954) is less than itself. Its deficiency is 5948

Bases of 20902

  • Binary: 1010001101001102
  • Hexadecimal: 0x51A6
  • Base-36: G4M

Squares and roots of 20902

  • 20902 squared (209022) is 436893604
  • 20902 cubed (209023) is 9131950110808
  • The square root of 20902 is 144.5752399271
  • The cube root of 20902 is 27.5462582327

Scales and comparisons

How big is 20902?
  • 20,902 seconds is equal to 5 hours, 48 minutes, 22 seconds.
  • To count from 1 to 20,902 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 20902 cubic inches would be around 2.3 feet tall.

Recreational maths with 20902

  • 20902 is the same when its digits are reversed! That makes it a palindromic number.
  • The number of decimal digits it has is: 5
  • The sum of 20902's digits is 13
  • More coming soon!

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"Number 20902 - Facts about the integer". Numbermatics.com. 2021. Web. 4 December 2021.

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Numbermatics. (2021). Number 20902 - Facts about the integer. Retrieved 4 December 2021, from https://numbermatics.com/n/20902/

Chicago style:
Numbermatics. 2021. "Number 20902 - Facts about the integer". https://numbermatics.com/n/20902/

The information we have on file for 20902 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 20902, math, Factors of 20902, curriculum, school, college, exams, university, Prime factorization of 20902, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, nine hundred two.

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