21,340 is an even composite number composed of four prime numbers multiplied together.

What does the number 21340 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21340 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21340:

22 × 5 × 11 × 97

(2 × 2 × 5 × 11 × 97)

See below for interesting mathematical facts about the number 21340 from the Numbermatics database.

Names of 21340

  • Cardinal: 21340 can be written as Twenty-one thousand, three hundred forty.

Scientific notation

  • Scientific notation: 2.134 × 104

Factors of 21340

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 115

Divisors of 21340

Bases of 21340

  • Binary: 1010011010111002
  • Hexadecimal: 0x535C
  • Base-36: GGS

Squares and roots of 21340

  • 21340 squared (213402) is 455395600
  • 21340 cubed (213403) is 9718142104000
  • The square root of 21340 is 146.0821686587
  • The cube root of 21340 is 27.7373396785

Scales and comparisons

How big is 21340?
  • 21,340 seconds is equal to 5 hours, 55 minutes, 40 seconds.
  • To count from 1 to 21,340 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 21340 cubic inches would be around 2.3 feet tall.

Recreational maths with 21340

  • 21340 backwards is 04312
  • 21340 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 21340's digits is 10
  • More coming soon!

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The information we have on file for 21340 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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