21,010 is an even composite number composed of four prime numbers multiplied together.

What does the number 21010 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21010 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21010:

2 × 5 × 11 × 191

See below for interesting mathematical facts about the number 21010 from the Numbermatics database.

Names of 21010

  • Cardinal: 21010 can be written as Twenty-one thousand and ten.

Scientific notation

  • Scientific notation: 2.101 × 104

Factors of 21010

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 209

Divisors of 21010

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 41472
  • Sum of proper divisors (its aliquot sum) s(n): 20462
  • 21010 is a deficient number, because the sum of its proper divisors (20462) is less than itself. Its deficiency is 548

Bases of 21010

  • Binary: 1010010000100102
  • Hexadecimal: 0x5212
  • Base-36: G7M

Squares and roots of 21010

  • 21010 squared (210102) is 441420100
  • 21010 cubed (210103) is 9274236301000
  • The square root of 21010 is 144.9482666333
  • The cube root of 21010 is 27.5936203137

Scales and comparisons

How big is 21010?
  • 21,010 seconds is equal to 5 hours, 50 minutes, 10 seconds.
  • To count from 1 to 21,010 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 21010 cubic inches would be around 2.3 feet tall.

Recreational maths with 21010

  • 21010 backwards is 01012
  • The number of decimal digits it has is: 5
  • The sum of 21010's digits is 4
  • More coming soon!

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The information we have on file for 21010 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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