21309844416

21,309,844,416 is an even composite number composed of five prime numbers multiplied together.

What does the number 21309844416 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 252 divisors.

21309844416 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.

Prime factorization of 21309844416:

26 × 3 × 72 × 312 × 2357

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 7 × 31 × 31 × 2357)

See below for interesting mathematical facts about the number 21309844416 from the Numbermatics database.


Names of 21309844416

  • Cardinal: 21309844416 can be written as Twenty-one billion, three hundred nine million, eight hundred forty-four thousand, four hundred sixteen.

Scientific notation

  • Scientific notation: 2.1309844416 × 1010

Factors of 21309844416

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 12
  • Sum of prime factors: 2400

Divisors of 21309844416

Bases of 21309844416

  • Binary: 100111101100010101001101011110000002
  • Hexadecimal: 0x4F62A6BC0
  • Base-36: 9SFBX6O

Squares and roots of 21309844416

  • 21309844416 squared (213098444162) is 454109469034126381056
  • 21309844416 cubed (213098444163) is 9677002132949602974784489783296
  • The square root of 21309844416 is 145978.9177107433
  • The cube root of 21309844416 is 2772.4268294887

Scales and comparisons

How big is 21309844416?
  • 21,309,844,416 seconds is equal to 677 years, 30 weeks, 3 days, 17 hours, 13 minutes, 36 seconds.
  • To count from 1 to 21,309,844,416 would take you about one thousand, three hundred fifty-five years!

    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 21309844416 cubic inches would be around 231 feet tall.

Recreational maths with 21309844416

  • 21309844416 backwards is 61444890312
  • 21309844416 is a Harshad number.
  • The number of decimal digits it has is: 11
  • The sum of 21309844416's digits is 42
  • More coming soon!

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The information we have on file for 21309844416 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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