11728

11,728 is an even composite number composed of two prime numbers multiplied together.

What does the number 11728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

11728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 11728:

24 × 733

(2 × 2 × 2 × 2 × 733)

See below for interesting mathematical facts about the number 11728 from the Numbermatics database.


Names of 11728

  • Cardinal: 11728 can be written as Eleven thousand, seven hundred twenty-eight.

Scientific notation

  • Scientific notation: 1.1728 × 104

Factors of 11728

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 735

Divisors of 11728

  • Number of divisors d(n): 10
  • Complete list of divisors:
  • Sum of all divisors σ(n): 22754
  • Sum of proper divisors (its aliquot sum) s(n): 11026
  • 11728 is a deficient number, because the sum of its proper divisors (11026) is less than itself. Its deficiency is 702

Bases of 11728

  • Binary: 101101110100002
  • Hexadecimal: 0x2DD0
  • Base-36: 91S

Squares and roots of 11728

  • 11728 squared (117282) is 137545984
  • 11728 cubed (117283) is 1613139300352
  • The square root of 11728 is 108.2958909655
  • The cube root of 11728 is 22.7199821463

Scales and comparisons

How big is 11728?
  • 11,728 seconds is equal to 3 hours, 15 minutes, 28 seconds.
  • To count from 1 to 11,728 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 11728 cubic inches would be around 1.9 feet tall.

Recreational maths with 11728

  • 11728 backwards is 82711
  • The number of decimal digits it has is: 5
  • The sum of 11728's digits is 19
  • More coming soon!

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"Number 11728 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

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Numbermatics. (2024). Number 11728 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/11728/

Chicago style:
Numbermatics. 2024. "Number 11728 - Facts about the integer". https://numbermatics.com/n/11728/

The information we have on file for 11728 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!

Keywords: Divisors of 11728, math, Factors of 11728, curriculum, school, college, exams, university, Prime factorization of 11728, STEM, science, technology, engineering, physics, economics, calculator, eleven thousand, seven hundred twenty-eight.

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