81742248840470400

81,742,248,840,470,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81742248840470400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 6912 divisors.

81742248840470400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six thousand, nine hundred twelve divisors.

Prime factorization of 81742248840470400:

27 × 33 × 52 × 72 × 133 × 17 × 7192

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 13 × 13 × 13 × 17 × 719 × 719)

See below for interesting mathematical facts about the number 81742248840470400 from the Numbermatics database.


Names of 81742248840470400

  • Cardinal: 81742248840470400 can be written as Eighty-one quadrillion, seven hundred forty-two trillion, two hundred forty-eight billion, eight hundred forty million, four hundred seventy thousand, four hundred.

Scientific notation

  • Scientific notation: 8.17422488404704 × 1016

Factors of 81742248840470400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 20
  • Sum of prime factors: 766

Divisors of 81742248840470400

Bases of 81742248840470400

  • Binary: 1001000100110100000100100011010010100011100011111100000002
  • Hexadecimal: 0x122682469471F80
  • Base-36: MCV7IPHALC0

Squares and roots of 81742248840470400

  • 81742248840470400 squared (817422488404704002) is 6681795245497384453308893276160000
  • 81742248840470400 cubed (817422488404704003) is 546184969658519206035004885211710063051505664000000
  • The square root of 81742248840470400 is 285906013.9984299107
  • The cube root of 81742248840470400 is 433992.4695198399

Scales and comparisons

How big is 81742248840470400?
  • 81,742,248,840,470,400 seconds is equal to 2,599,150,667 years, 39 weeks.
  • To count from 1 to 81,742,248,840,470,400 would take you about seven billion, seven hundred ninety-seven million, four hundred fifty-two thousand and three 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 81742248840470400 cubic inches would be around 36166 feet tall.

Recreational maths with 81742248840470400

  • 81742248840470400 backwards is 00407404884224718
  • 81742248840470400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81742248840470400's digits is 63
  • More coming soon!

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"Number 81742248840470400 - Facts about the integer". Numbermatics.com. 2024. Web. 19 June 2024.

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Numbermatics. (2024). Number 81742248840470400 - Facts about the integer. Retrieved 19 June 2024, from https://numbermatics.com/n/81742248840470400/

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The information we have on file for 81742248840470400 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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