29720

29,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 29720 look like?

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

29720 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 29720:

23 × 5 × 743

(2 × 2 × 2 × 5 × 743)

See below for interesting mathematical facts about the number 29720 from the Numbermatics database.


Names of 29720

  • Cardinal: 29720 can be written as Twenty-nine thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 2.972 × 104

Factors of 29720

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 750

Divisors of 29720

  • Number of divisors d(n): 16
  • Complete list of divisors:
  • Sum of all divisors σ(n): 66960
  • Sum of proper divisors (its aliquot sum) s(n): 37240
  • 29720 is an abundant number, because the sum of its proper divisors (37240) is greater than itself. Its abundance is 7520

Bases of 29720

  • Binary: 1110100000110002
  • Hexadecimal: 0x7418
  • Base-36: MXK

Squares and roots of 29720

  • 29720 squared (297202) is 883278400
  • 29720 cubed (297203) is 26251034048000
  • The square root of 29720 is 172.3948955163
  • The cube root of 29720 is 30.9753532851

Scales and comparisons

How big is 29720?
  • 29,720 seconds is equal to 8 hours, 15 minutes, 20 seconds.
  • To count from 1 to 29,720 would take you about eight 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 29720 cubic inches would be around 2.6 feet tall.

Recreational maths with 29720

  • 29720 backwards is 02792
  • 29720 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 29720's digits is 20
  • More coming soon!

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The information we have on file for 29720 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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