28736

28,736 is an even composite number composed of two prime numbers multiplied together.

What does the number 28736 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 14 divisors.

28736 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fourteen divisors.

Prime factorization of 28736:

26 × 449

(2 × 2 × 2 × 2 × 2 × 2 × 449)

See below for interesting mathematical facts about the number 28736 from the Numbermatics database.


Names of 28736

  • Cardinal: 28736 can be written as Twenty-eight thousand, seven hundred thirty-six.

Scientific notation

  • Scientific notation: 2.8736 × 104

Factors of 28736

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 7
  • Sum of prime factors: 451

Divisors of 28736

  • Number of divisors d(n): 14
  • Complete list of divisors:
  • Sum of all divisors σ(n): 57150
  • Sum of proper divisors (its aliquot sum) s(n): 28414
  • 28736 is a deficient number, because the sum of its proper divisors (28414) is less than itself. Its deficiency is 322

Bases of 28736

  • Binary: 1110000010000002
  • Hexadecimal: 0x7040
  • Base-36: M68

Squares and roots of 28736

  • 28736 squared (287362) is 825757696
  • 28736 cubed (287363) is 23728973152256
  • The square root of 28736 is 169.5169608035
  • The cube root of 28736 is 30.6296549915

Scales and comparisons

How big is 28736?
  • 28,736 seconds is equal to 7 hours, 58 minutes, 56 seconds.
  • To count from 1 to 28,736 would take you about seven 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 28736 cubic inches would be around 2.6 feet tall.

Recreational maths with 28736

  • 28736 backwards is 63782
  • The number of decimal digits it has is: 5
  • The sum of 28736's digits is 26
  • More coming soon!

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"Number 28736 - Facts about the integer". Numbermatics.com. 2020. Web. 28 February 2020.

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Numbermatics. (2020). Number 28736 - Facts about the integer. Retrieved 28 February 2020, from https://numbermatics.com/n/28736/

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The information we have on file for 28736 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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