72749

72,749 is an odd composite number composed of two prime numbers multiplied together.

What does the number 72749 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

72749 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

Prime factorization of 72749:

23 × 3163

See below for interesting mathematical facts about the number 72749 from the Numbermatics database.


Names of 72749

  • Cardinal: 72749 can be written as Seventy-two thousand, seven hundred forty-nine.

Scientific notation

  • Scientific notation: 7.2749 × 104

Factors of 72749

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 2
  • Sum of prime factors: 3186

Divisors of 72749

  • Number of divisors d(n): 4
  • Complete list of divisors:
  • Sum of all divisors σ(n): 75936
  • Sum of proper divisors (its aliquot sum) s(n): 3187
  • 72749 is a deficient number, because the sum of its proper divisors (3187) is less than itself. Its deficiency is 69562

Bases of 72749

  • Binary: 100011100001011012
  • Hexadecimal: 0x11C2D
  • Base-36: 1K4T

Squares and roots of 72749

  • 72749 squared (727492) is 5292417001
  • 72749 cubed (727493) is 385018044405749
  • The square root of 72749 is 269.7202254189
  • The cube root of 72749 is 41.7454367705

Scales and comparisons

How big is 72749?
  • 72,749 seconds is equal to 20 hours, 12 minutes, 29 seconds.
  • To count from 1 to 72,749 would take you about twenty 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 72749 cubic inches would be around 3.5 feet tall.

Recreational maths with 72749

  • 72749 backwards is 94727
  • The number of decimal digits it has is: 5
  • The sum of 72749's digits is 29
  • More coming soon!

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"Number 72749 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

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Numbermatics. (2024). Number 72749 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/72749/

Chicago style:
Numbermatics. 2024. "Number 72749 - Facts about the integer". https://numbermatics.com/n/72749/

The information we have on file for 72749 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 72749, math, Factors of 72749, curriculum, school, college, exams, university, Prime factorization of 72749, STEM, science, technology, engineering, physics, economics, calculator, seventy-two thousand, seven hundred forty-nine.

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