13240

13,240 is an even composite number composed of three prime numbers multiplied together.

What does the number 13240 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

13240 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 13240:

23 × 5 × 331

(2 × 2 × 2 × 5 × 331)

See below for interesting mathematical facts about the number 13240 from the Numbermatics database.


Names of 13240

  • Cardinal: 13240 can be written as Thirteen thousand, two hundred forty.

Scientific notation

  • Scientific notation: 1.324 × 104

Factors of 13240

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 338

Divisors of 13240

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 29880
  • Sum of proper divisors (its aliquot sum) s(n): 16640
  • 13240 is an abundant number, because the sum of its proper divisors (16640) is greater than itself. Its abundance is 3400

Bases of 13240

  • Binary: 110011101110002
  • Hexadecimal: 0x33B8
  • Base-36: A7S

Squares and roots of 13240

  • 13240 squared (132402) is 175297600
  • 13240 cubed (132403) is 2320940224000
  • The square root of 13240 is 115.0651989091
  • The cube root of 13240 is 23.6571629721

Scales and comparisons

How big is 13240?
  • 13,240 seconds is equal to 3 hours, 40 minutes, 40 seconds.
  • To count from 1 to 13,240 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 13240 cubic inches would be around 2 feet tall.

Recreational maths with 13240

  • 13240 backwards is 04231
  • 13240 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 13240's digits is 10
  • More coming soon!

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Numbermatics. (2021). Number 13240 - Facts about the integer. Retrieved 5 August 2021, from https://numbermatics.com/n/13240/

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The information we have on file for 13240 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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