13440

13,440 is an even composite number composed of four prime numbers multiplied together.

What does the number 13440 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

13440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

Prime factorization of 13440:

27 × 3 × 5 × 7

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7)

See below for interesting mathematical facts about the number 13440 from the Numbermatics database.


Names of 13440

  • Cardinal: 13440 can be written as Thirteen thousand, four hundred forty.

Scientific notation

  • Scientific notation: 1.344 × 104

Factors of 13440

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 10
  • Sum of prime factors: 17

Divisors of 13440

Bases of 13440

  • Binary: 110100100000002
  • Hexadecimal: 0x3480
  • Base-36: ADC

Squares and roots of 13440

  • 13440 squared (134402) is 180633600
  • 13440 cubed (134403) is 2427715584000
  • The square root of 13440 is 115.9310139695
  • The cube root of 13440 is 23.7756878111

Scales and comparisons

How big is 13440?
  • 13,440 seconds is equal to 3 hours, 44 minutes.
  • To count from 1 to 13,440 would take you about three 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 13440 cubic inches would be around 2 feet tall.

Recreational maths with 13440

  • 13440 backwards is 04431
  • 13440 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 13440's digits is 12
  • More coming soon!

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The information we have on file for 13440 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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