21,703 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21703 look like?

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

21703 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 21703:

11 × 1973

See below for interesting mathematical facts about the number 21703 from the Numbermatics database.

Names of 21703

  • Cardinal: 21703 can be written as Twenty-one thousand, seven hundred three.

Scientific notation

  • Scientific notation: 2.1703 × 104

Factors of 21703

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 1984

Divisors of 21703

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 23688
  • Sum of proper divisors (its aliquot sum) s(n): 1985
  • 21703 is a deficient number, because the sum of its proper divisors (1985) is less than itself. Its deficiency is 19718

Bases of 21703

  • Binary: 1010100110001112
  • Hexadecimal: 0x54C7
  • Base-36: GQV

Squares and roots of 21703

  • 21703 squared (217032) is 471020209
  • 21703 cubed (217033) is 10222551595927
  • The square root of 21703 is 147.3193809381
  • The cube root of 21703 is 27.8937298295

Scales and comparisons

How big is 21703?
  • 21,703 seconds is equal to 6 hours, 1 minute, 43 seconds.
  • To count from 1 to 21,703 would take you about six 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 21703 cubic inches would be around 2.3 feet tall.

Recreational maths with 21703

  • 21703 backwards is 30712
  • The number of decimal digits it has is: 5
  • The sum of 21703's digits is 13
  • More coming soon!

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The information we have on file for 21703 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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