81990788353884160

81,990,788,353,884,160 is an even composite number composed of six prime numbers multiplied together.

What does the number 81990788353884160 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 2268 divisors.

81990788353884160 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, two hundred sixty-eight divisors.

Prime factorization of 81990788353884160:

220 × 5 × 172 × 292 × 372 × 47

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 17 × 29 × 29 × 37 × 37 × 47)

See below for interesting mathematical facts about the number 81990788353884160 from the Numbermatics database.


Names of 81990788353884160

  • Cardinal: 81990788353884160 can be written as Eighty-one quadrillion, nine hundred ninety trillion, seven hundred eighty-eight billion, three hundred fifty-three million, eight hundred eighty-four thousand, one hundred sixty.

Scientific notation

  • Scientific notation: 8.199078835388416 × 1016

Factors of 81990788353884160

  • Number of distinct prime factors ω(n): 6
  • Total number of prime factors Ω(n): 28
  • Sum of prime factors: 137

Divisors of 81990788353884160

Bases of 81990788353884160

  • Binary: 1001000110100101000110000000001101011000000000000000000002
  • Hexadecimal: 0x1234A3006B00000
  • Base-36: MFBB46MHB0G

Squares and roots of 81990788353884160

  • 81990788353884160 squared (819907883538841602) is 6722489374891426403470158698905600
  • 81990788353884160 cubed (819907883538841603) is 551182203547957970806901770202183077841701175296000
  • The square root of 81990788353884160 is 286340336.5819844809
  • The cube root of 81990788353884160 is 434431.8797456953

Scales and comparisons

How big is 81990788353884160?
  • 81,990,788,353,884,160 seconds is equal to 2,607,053,455 years, 25 weeks, 4 days, 14 hours, 2 minutes, 40 seconds.
  • To count from 1 to 81,990,788,353,884,160 would take you about seven billion, eight hundred twenty-one million, one hundred sixty thousand, three hundred sixty-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 81990788353884160 cubic inches would be around 36202.7 feet tall.

Recreational maths with 81990788353884160

  • 81990788353884160 backwards is 06148835388709918
  • The number of decimal digits it has is: 17
  • The sum of 81990788353884160's digits is 88
  • More coming soon!

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"Number 81990788353884160 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

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Numbermatics. (2024). Number 81990788353884160 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/81990788353884160/

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Numbermatics. 2024. "Number 81990788353884160 - Facts about the integer". https://numbermatics.com/n/81990788353884160/

The information we have on file for 81990788353884160 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!

Keywords: Divisors of 81990788353884160, math, Factors of 81990788353884160, curriculum, school, college, exams, university, Prime factorization of 81990788353884160, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, nine hundred ninety trillion, seven hundred eighty-eight billion, three hundred fifty-three million, eight hundred eighty-four thousand, one hundred sixty.

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