16421894916606720

16,421,894,916,606,720 is an even composite number composed of seven prime numbers multiplied together.

What does the number 16421894916606720 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1296 divisors.

16421894916606720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, two hundred ninety-six divisors.

Prime factorization of 16421894916606720:

28 × 32 × 5 × 292 × 53 × 61 × 524287

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 29 × 53 × 61 × 524287)

See below for interesting mathematical facts about the number 16421894916606720 from the Numbermatics database.


Names of 16421894916606720

  • Cardinal: 16421894916606720 can be written as Sixteen quadrillion, four hundred twenty-one trillion, eight hundred ninety-four billion, nine hundred sixteen million, six hundred six thousand, seven hundred twenty.

Scientific notation

  • Scientific notation: 1.642189491660672 × 1016

Factors of 16421894916606720

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 16
  • Sum of prime factors: 524440

Divisors of 16421894916606720

Bases of 16421894916606720

  • Binary: 1110100101011110100000010111010000101100001011000000002
  • Hexadecimal: 0x3A57A05D0B0B00
  • Base-36: 4HP2QDKL340

Squares and roots of 16421894916606720

  • 16421894916606720 squared (164218949166067202) is 269678632652073631223239149158400
  • 16421894916606720 cubed (164218949166067203) is 4428634166666538981445235958152258295271784448000
  • The square root of 16421894916606720 is 128147941.5230955633
  • The cube root of 16421894916606720 is 254179.8327435647

Scales and comparisons

How big is 16421894916606720?
  • 16,421,894,916,606,720 seconds is equal to 522,165,462 years, 4 weeks, 5 days, 11 hours, 12 minutes.
  • To count from 1 to 16,421,894,916,606,720 would take you about one billion, five hundred sixty-six million, four hundred ninety-six thousand, three hundred eighty-six 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 16421894916606720 cubic inches would be around 21181.7 feet tall.

Recreational maths with 16421894916606720

  • 16421894916606720 backwards is 02760661949812461
  • 16421894916606720 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 16421894916606720's digits is 72
  • More coming soon!

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"Number 16421894916606720 - Facts about the integer". Numbermatics.com. 2024. Web. 18 June 2024.

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Numbermatics. (2024). Number 16421894916606720 - Facts about the integer. Retrieved 18 June 2024, from https://numbermatics.com/n/16421894916606720/

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Numbermatics. 2024. "Number 16421894916606720 - Facts about the integer". https://numbermatics.com/n/16421894916606720/

The information we have on file for 16421894916606720 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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