1218816

1,218,816 is an even composite number composed of three prime numbers multiplied together.

What does the number 1218816 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 81 divisors.

1218816 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty-one divisors.

Prime factorization of 1218816:

28 × 32 × 232

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 23 × 23)

See below for interesting mathematical facts about the number 1218816 from the Numbermatics database.


Names of 1218816

  • Cardinal: 1218816 can be written as One million, two hundred eighteen thousand, eight hundred sixteen.

Scientific notation

  • Scientific notation: 1.218816 × 106

Factors of 1218816

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 12
  • Sum of prime factors: 28

Divisors of 1218816

Bases of 1218816

  • Binary: 1001010011001000000002
  • Hexadecimal: 0x129900
  • Base-36: Q4G0

Squares and roots of 1218816

  • 1218816 squared (12188162) is 1485512441856
  • 1218816 cubed (12188163) is 1810566332333162496
  • 1218816 is a perfect square number. Its square root is 1104
  • The cube root of 1218816 is 106.8183951819

Scales and comparisons

How big is 1218816?
  • 1,218,816 seconds is equal to 2 weeks, 2 hours, 33 minutes, 36 seconds.
  • To count from 1 to 1,218,816 would take you about three weeks!

    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 1218816 cubic inches would be around 8.9 feet tall.

Recreational maths with 1218816

  • 1218816 backwards is 6188121
  • The number of decimal digits it has is: 7
  • The sum of 1218816's digits is 27
  • More coming soon!

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The information we have on file for 1218816 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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