13728

13,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 13728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

13728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 13728:

25 × 3 × 11 × 13

(2 × 2 × 2 × 2 × 2 × 3 × 11 × 13)

See below for interesting mathematical facts about the number 13728 from the Numbermatics database.


Names of 13728

  • Cardinal: 13728 can be written as Thirteen thousand, seven hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.3728 × 104

Factors of 13728

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 8
  • Sum of prime factors: 29

Divisors of 13728

Bases of 13728

  • Binary: 110101101000002
  • Hexadecimal: 0x35A0
  • Base-36: ALC

Squares and roots of 13728

  • 13728 squared (137282) is 188457984
  • 13728 cubed (137283) is 2587151204352
  • The square root of 13728 is 117.1665481271
  • The cube root of 13728 is 23.9443153451

Scales and comparisons

How big is 13728?
  • 13,728 seconds is equal to 3 hours, 48 minutes, 48 seconds.
  • To count from 1 to 13,728 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 13728 cubic inches would be around 2 feet tall.

Recreational maths with 13728

  • 13728 backwards is 82731
  • The number of decimal digits it has is: 5
  • The sum of 13728's digits is 21
  • More coming soon!

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"Number 13728 - Facts about the integer". Numbermatics.com. 2020. Web. 30 May 2020.

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Numbermatics. (2020). Number 13728 - Facts about the integer. Retrieved 30 May 2020, from https://numbermatics.com/n/13728/

Chicago style:
Numbermatics. 2020. "Number 13728 - Facts about the integer". https://numbermatics.com/n/13728/

The information we have on file for 13728 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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