21,200 is an even composite number composed of three prime numbers multiplied together.

What does the number 21200 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 30 divisors.

21200 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty divisors.

Prime factorization of 21200:

24 × 52 × 53

(2 × 2 × 2 × 2 × 5 × 5 × 53)

See below for interesting mathematical facts about the number 21200 from the Numbermatics database.

Names of 21200

  • Cardinal: 21200 can be written as Twenty-one thousand, two hundred.

Scientific notation

  • Scientific notation: 2.12 × 104

Factors of 21200

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 60

Divisors of 21200

Bases of 21200

  • Binary: 1010010110100002
  • Hexadecimal: 0x52D0
  • Base-36: GCW

Squares and roots of 21200

  • 21200 squared (212002) is 449440000
  • 21200 cubed (212003) is 9528128000000
  • The square root of 21200 is 145.6021977857
  • The cube root of 21200 is 27.6765500729

Scales and comparisons

How big is 21200?
  • 21,200 seconds is equal to 5 hours, 53 minutes, 20 seconds.
  • To count from 1 to 21,200 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 21200 cubic inches would be around 2.3 feet tall.

Recreational maths with 21200

  • 21200 backwards is 00212
  • 21200 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 21200's digits is 5
  • More coming soon!

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The information we have on file for 21200 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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