81988201800000

81,988,201,800,000 is an even composite number composed of five prime numbers multiplied together.

What does the number 81988201800000 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 1134 divisors.

81988201800000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, one hundred thirty-four divisors.

Prime factorization of 81988201800000:

26 × 32 × 55 × 172 × 3972

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5 × 5 × 17 × 17 × 397 × 397)

See below for interesting mathematical facts about the number 81988201800000 from the Numbermatics database.


Names of 81988201800000

  • Cardinal: 81988201800000 can be written as Eighty-one trillion, nine hundred eighty-eight billion, two hundred one million, eight hundred thousand.

Scientific notation

  • Scientific notation: 8.19882018 × 1013

Factors of 81988201800000

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 17
  • Sum of prime factors: 424

Divisors of 81988201800000

Bases of 81988201800000

  • Binary: 100101010010001010111011010010011100001010000002
  • Hexadecimal: 0x4A915DA4E140
  • Base-36: T28UYH8W0

Squares and roots of 81988201800000

  • 81988201800000 squared (819882018000002) is 6722065234397523240000000000
  • 81988201800000 cubed (819882018000003) is 551130040950548436821309832000000000000000
  • The square root of 81988201800000 is 9054733.6680876483
  • The cube root of 81988201800000 is 43442.7311373625

Scales and comparisons

How big is 81988201800000?
  • 81,988,201,800,000 seconds is equal to 2,606,971 years, 10 weeks, 6 days, 20 hours.
  • To count from 1 to 81,988,201,800,000 would take you about six million, five hundred seventeen thousand, four hundred twenty-eight 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 81988201800000 cubic inches would be around 3620.2 feet tall.

Recreational maths with 81988201800000

  • 81988201800000 backwards is 00000810288918
  • 81988201800000 is a Harshad number.
  • The number of decimal digits it has is: 14
  • The sum of 81988201800000's digits is 45
  • More coming soon!

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"Number 81988201800000 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.

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Numbermatics. (2024). Number 81988201800000 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/81988201800000/

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Numbermatics. 2024. "Number 81988201800000 - Facts about the integer". https://numbermatics.com/n/81988201800000/

The information we have on file for 81988201800000 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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