21271

21,271 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21271 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

21271 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 21271:

89 × 239

See below for interesting mathematical facts about the number 21271 from the Numbermatics database.


Names of 21271

  • Cardinal: 21271 can be written as Twenty-one thousand, two hundred seventy-one.

Scientific notation

  • Scientific notation: 2.1271 × 104

Factors of 21271

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 328

Divisors of 21271

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 21600
  • Sum of proper divisors (its aliquot sum) s(n): 329
  • 21271 is a deficient number, because the sum of its proper divisors (329) is less than itself. Its deficiency is 20942

Bases of 21271

  • Binary: 1010011000101112
  • Hexadecimal: 0x5317
  • Base-36: GEV

Squares and roots of 21271

  • 21271 squared (212712) is 452455441
  • 21271 cubed (212713) is 9624179685511
  • The square root of 21271 is 145.8458089899
  • The cube root of 21271 is 27.7074124229

Scales and comparisons

How big is 21271?
  • 21,271 seconds is equal to 5 hours, 54 minutes, 31 seconds.
  • To count from 1 to 21,271 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 21271 cubic inches would be around 2.3 feet tall.

Recreational maths with 21271

  • 21271 backwards is 17212
  • The number of decimal digits it has is: 5
  • The sum of 21271's digits is 13
  • More coming soon!

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The information we have on file for 21271 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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