66,420 is an even composite number composed of four prime numbers multiplied together.

What does the number 66420 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 60 divisors.

66420 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.

Prime factorization of 66420:

22 × 34 × 5 × 41

(2 × 2 × 3 × 3 × 3 × 3 × 5 × 41)

See below for interesting mathematical facts about the number 66420 from the Numbermatics database.

Names of 66420

  • Cardinal: 66420 can be written as Sixty-six thousand, four hundred twenty.

Scientific notation

  • Scientific notation: 6.642 × 104

Factors of 66420

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 8
  • Sum of prime factors: 51

Divisors of 66420

Bases of 66420

  • Binary: 100000011011101002
  • Hexadecimal: 0x10374
  • Base-36: 1F90

Squares and roots of 66420

  • 66420 squared (664202) is 4411616400
  • 66420 cubed (664203) is 293019561288000
  • The square root of 66420 is 257.7207791389
  • The cube root of 66420 is 40.4979422823

Scales and comparisons

How big is 66420?
  • 66,420 seconds is equal to 18 hours, 27 minutes.
  • To count from 1 to 66,420 would take you about eighteen 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 66420 cubic inches would be around 3.4 feet tall.

Recreational maths with 66420

  • 66420 backwards is 02466
  • 66420 is a Harshad number.
  • The number of decimal digits it has is: 5
  • The sum of 66420's digits is 18
  • More coming soon!

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The information we have on file for 66420 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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