21234

21,234 is an even composite number composed of three prime numbers multiplied together.

What does the number 21234 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

21234 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21234:

2 × 3 × 3539

See below for interesting mathematical facts about the number 21234 from the Numbermatics database.


Names of 21234

  • Cardinal: 21234 can be written as Twenty-one thousand, two hundred thirty-four.

Scientific notation

  • Scientific notation: 2.1234 × 104

Factors of 21234

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 3544

Divisors of 21234

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 42480
  • Sum of proper divisors (its aliquot sum) s(n): 21246
  • 21234 is an abundant number, because the sum of its proper divisors (21246) is greater than itself. Its abundance is 12

Bases of 21234

  • Binary: 1010010111100102
  • Hexadecimal: 0x52F2
  • Base-36: GDU

Squares and roots of 21234

  • 21234 squared (212342) is 450882756
  • 21234 cubed (212343) is 9574044440904
  • The square root of 21234 is 145.7189074897
  • The cube root of 21234 is 27.6913378103

Scales and comparisons

How big is 21234?
  • 21,234 seconds is equal to 5 hours, 53 minutes, 54 seconds.
  • To count from 1 to 21,234 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 21234 cubic inches would be around 2.3 feet tall.

Recreational maths with 21234

  • 21234 backwards is 43212
  • The number of decimal digits it has is: 5
  • The sum of 21234's digits is 12
  • More coming soon!

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The information we have on file for 21234 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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