620

620 is an even composite number composed of three prime numbers multiplied together.

What does the number 620 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

620 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 620:

22 × 5 × 31

(2 × 2 × 5 × 31)

See below for interesting mathematical facts about the number 620 from the Numbermatics database.


Names of 620

  • Cardinal: 620 can be written as Six hundred twenty.

Scientific notation

  • Scientific notation: 6.2 × 102

Factors of 620

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 38

Divisors of 620

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1344
  • Sum of proper divisors (its aliquot sum) s(n): 724
  • 620 is an abundant number, because the sum of its proper divisors (724) is greater than itself. Its abundance is 104

Bases of 620

  • Binary: 10011011002
  • Hexadecimal: 0x26C
  • Base-36: H8

Squares and roots of 620

  • 620 squared (6202) is 384400
  • 620 cubed (6203) is 238328000
  • The square root of 620 is 24.8997991961
  • The cube root of 620 is 8.5270189833

Scales and comparisons

How big is 620?
  • 620 seconds is equal to 10 minutes, 20 seconds.
  • To count from 1 to 620 would take you about five minutes.

    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 620 cubic inches would be around 0.7 feet tall.

Recreational maths with 620

  • 620 backwards is 026
  • The number of decimal digits it has is: 3
  • The sum of 620's digits is 8
  • More coming soon!

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The information we have on file for 620 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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