21296

21,296 is an even composite number composed of two prime numbers multiplied together.

What does the number 21296 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 20 divisors.

21296 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 21296:

24 × 113

(2 × 2 × 2 × 2 × 11 × 11 × 11)

See below for interesting mathematical facts about the number 21296 from the Numbermatics database.


Names of 21296

  • Cardinal: 21296 can be written as Twenty-one thousand, two hundred ninety-six.

Scientific notation

  • Scientific notation: 2.1296 × 104

Factors of 21296

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 13

Divisors of 21296

Bases of 21296

  • Binary: 1010011001100002
  • Hexadecimal: 0x5330
  • Base-36: GFK

Squares and roots of 21296

  • 21296 squared (212962) is 453519616
  • 21296 cubed (212963) is 9658153742336
  • The square root of 21296 is 145.9314907757
  • The cube root of 21296 is 27.7182630979

Scales and comparisons

How big is 21296?
  • 21,296 seconds is equal to 5 hours, 54 minutes, 56 seconds.
  • To count from 1 to 21,296 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 21296 cubic inches would be around 2.3 feet tall.

Recreational maths with 21296

  • 21296 backwards is 69212
  • The number of decimal digits it has is: 5
  • The sum of 21296's digits is 20
  • More coming soon!

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The information we have on file for 21296 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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