21343

21,343 is an odd composite number composed of two prime numbers multiplied together.

What does the number 21343 look like?

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

21343 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 21343:

7 × 3049

See below for interesting mathematical facts about the number 21343 from the Numbermatics database.


Names of 21343

  • Cardinal: 21343 can be written as Twenty-one thousand, three hundred forty-three.

Scientific notation

  • Scientific notation: 2.1343 × 104

Factors of 21343

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 3056

Divisors of 21343

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 24400
  • Sum of proper divisors (its aliquot sum) s(n): 3057
  • 21343 is a deficient number, because the sum of its proper divisors (3057) is less than itself. Its deficiency is 18286

Bases of 21343

  • Binary: 1010011010111112
  • Hexadecimal: 0x535F
  • Base-36: GGV

Squares and roots of 21343

  • 21343 squared (213432) is 455523649
  • 21343 cubed (213433) is 9722241240607
  • The square root of 21343 is 146.0924364915
  • The cube root of 21343 is 27.7386393989

Scales and comparisons

How big is 21343?
  • 21,343 seconds is equal to 5 hours, 55 minutes, 43 seconds.
  • To count from 1 to 21,343 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 21343 cubic inches would be around 2.3 feet tall.

Recreational maths with 21343

  • 21343 backwards is 34312
  • The number of decimal digits it has is: 5
  • The sum of 21343's digits is 13
  • More coming soon!

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"Number 21343 - Facts about the integer". Numbermatics.com. 2020. Web. 27 October 2020.

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The information we have on file for 21343 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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