221521130520947712

221,521,130,520,947,712 is an even composite number composed of seven prime numbers multiplied together.

What does the number 221521130520947712 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 7920 divisors.

221521130520947712 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven thousand, nine hundred twenty divisors.

Prime factorization of 221521130520947712:

210 × 35 × 72 × 13 × 174 × 29 × 577

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 13 × 17 × 17 × 17 × 17 × 29 × 577)

See below for interesting mathematical facts about the number 221521130520947712 from the Numbermatics database.


Names of 221521130520947712

  • Cardinal: 221521130520947712 can be written as Two hundred twenty-one quadrillion, five hundred twenty-one trillion, one hundred thirty billion, five hundred twenty million, nine hundred forty-seven thousand, seven hundred twelve.

Scientific notation

  • Scientific notation: 2.21521130520947712 × 1017

Factors of 221521130520947712

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 24
  • Sum of prime factors: 648

Divisors of 221521130520947712

Bases of 221521130520947712

  • Binary: 11000100110000000001001011011001101111000110101100000000002
  • Hexadecimal: 0x313004B66F1AC00
  • Base-36: 1OL6OQH22O00

Squares and roots of 221521130520947712

  • 221521130520947712 squared (2215211305209477122) is 49071611267278751937695638638034944
  • 221521130520947712 cubed (2215211305209477123) is 10870398804412064768070313755327271275229820252848128
  • The square root of 221521130520947712 is 470660313.3056235409
  • The cube root of 221521130520947712 is 605069.2091404855

Scales and comparisons

How big is 221521130520947712?
  • 221,521,130,520,947,712 seconds is equal to 7,043,686,740 years, 37 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
  • To count from 1 to 221,521,130,520,947,712 would take you about twenty-one billion, one hundred thirty-one million, sixty thousand, two hundred twenty-two 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 221521130520947712 cubic inches would be around 50422.4 feet tall.

Recreational maths with 221521130520947712

  • 221521130520947712 backwards is 217749025031125122
  • 221521130520947712 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 221521130520947712's digits is 54
  • More coming soon!

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"Number 221521130520947712 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

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Numbermatics. (2024). Number 221521130520947712 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/221521130520947712/

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Numbermatics. 2024. "Number 221521130520947712 - Facts about the integer". https://numbermatics.com/n/221521130520947712/

The information we have on file for 221521130520947712 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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