16420

16,420 is an even composite number composed of three prime numbers multiplied together.

What does the number 16420 look like?

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

16420 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 16420:

22 × 5 × 821

(2 × 2 × 5 × 821)

See below for interesting mathematical facts about the number 16420 from the Numbermatics database.


Names of 16420

  • Cardinal: 16420 can be written as Sixteen thousand, four hundred twenty.

Scientific notation

  • Scientific notation: 1.642 × 104

Factors of 16420

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 828

Divisors of 16420

  • Number of divisors d(n): 12
  • Complete list of divisors:
  • Sum of all divisors σ(n): 34524
  • Sum of proper divisors (its aliquot sum) s(n): 18104
  • 16420 is an abundant number, because the sum of its proper divisors (18104) is greater than itself. Its abundance is 1684

Bases of 16420

  • Binary: 1000000001001002
  • Hexadecimal: 0x4024
  • Base-36: CO4

Squares and roots of 16420

  • 16420 squared (164202) is 269616400
  • 16420 cubed (164203) is 4427101288000
  • The square root of 16420 is 128.1405478371
  • The cube root of 16420 is 25.4170055795

Scales and comparisons

How big is 16420?
  • 16,420 seconds is equal to 4 hours, 33 minutes, 40 seconds.
  • To count from 1 to 16,420 would take you about four 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 16420 cubic inches would be around 2.1 feet tall.

Recreational maths with 16420

  • 16420 backwards is 02461
  • The number of decimal digits it has is: 5
  • The sum of 16420's digits is 13
  • More coming soon!

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The information we have on file for 16420 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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