21429142650421220

21,429,142,650,421,220 is an even composite number composed of seven prime numbers multiplied together.

What does the number 21429142650421220 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 1512 divisors.

21429142650421220 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand, five hundred twelve divisors.

Prime factorization of 21429142650421220:

22 × 5 × 112 × 136 × 23 × 312 × 83

(2 × 2 × 5 × 11 × 11 × 13 × 13 × 13 × 13 × 13 × 13 × 23 × 31 × 31 × 83)

See below for interesting mathematical facts about the number 21429142650421220 from the Numbermatics database.


Names of 21429142650421220

  • Cardinal: 21429142650421220 can be written as Twenty-one quadrillion, four hundred twenty-nine trillion, one hundred forty-two billion, six hundred fifty million, four hundred twenty-one thousand, two hundred twenty.

Scientific notation

  • Scientific notation: 2.142914265042122 × 1016

Factors of 21429142650421220

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 15
  • Sum of prime factors: 168

Divisors of 21429142650421220

Bases of 21429142650421220

  • Binary: 10011000010000110110001000100111000010011111111111001002
  • Hexadecimal: 0x4C21B11384FFE4
  • Base-36: 5UZZW89ZROK

Squares and roots of 21429142650421220

  • 21429142650421220 squared (214291426504212202) is 459208154732101789434243426288400
  • 21429142650421220 cubed (214291426504212203) is 9840437053990909439042921092504375656281199848000
  • The square root of 21429142650421220 is 146386962.0233346465
  • The cube root of 21429142650421220 is 277759.0801764721

Scales and comparisons

How big is 21429142650421220?
  • 21,429,142,650,421,220 seconds is equal to 681,380,451 years, 30 weeks, 5 days, 21 hours, 20 seconds.
  • To count from 1 to 21,429,142,650,421,220 would take you about two billion, forty-four million, one hundred forty-one thousand, three hundred fifty-four 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 21429142650421220 cubic inches would be around 23146.6 feet tall.

Recreational maths with 21429142650421220

  • 21429142650421220 backwards is 02212405624192412
  • The number of decimal digits it has is: 17
  • The sum of 21429142650421220's digits is 47
  • More coming soon!

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"Number 21429142650421220 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.

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Numbermatics. (2024). Number 21429142650421220 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/21429142650421220/

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Numbermatics. 2024. "Number 21429142650421220 - Facts about the integer". https://numbermatics.com/n/21429142650421220/

The information we have on file for 21429142650421220 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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