81441738968990400

81,441,738,968,990,400 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81441738968990400 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 18144 divisors.

81441738968990400 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of eighteen thousand, one hundred forty-four divisors.

Prime factorization of 81441738968990400:

26 × 38 × 52 × 73 × 11 × 132 × 233

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 7 × 11 × 13 × 13 × 23 × 23 × 23)

See below for interesting mathematical facts about the number 81441738968990400 from the Numbermatics database.


Names of 81441738968990400

  • Cardinal: 81441738968990400 can be written as Eighty-one quadrillion, four hundred forty-one trillion, seven hundred thirty-eight billion, nine hundred sixty-eight million, nine hundred ninety thousand, four hundred.

Scientific notation

  • Scientific notation: 8.14417389689904 × 1016

Factors of 81441738968990400

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 25
  • Sum of prime factors: 64

Divisors of 81441738968990400

Bases of 81441738968990400

  • Binary: 1001000010101011011010100100000010010001100000010110000002
  • Hexadecimal: 0x12156D4812302C0
  • Base-36: M9WOQDMR000

Squares and roots of 81441738968990400

  • 81441738968990400 squared (814417389689904002) is 6632756846293169501572795292160000
  • 81441738968990400 cubed (814417389689904003) is 540183251720592291329039014708551713348235264000000
  • The square root of 81441738968990400 is 285379990.4846000235
  • The cube root of 81441738968990400 is 433459.9861322283

Scales and comparisons

How big is 81441738968990400?
  • 81,441,738,968,990,400 seconds is equal to 2,589,595,383 years, 19 weeks, 3 days, 12 hours.
  • To count from 1 to 81,441,738,968,990,400 would take you about seven billion, seven hundred sixty-eight million, seven hundred eighty-six thousand, one hundred fifty 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 81441738968990400 cubic inches would be around 36121.7 feet tall.

Recreational maths with 81441738968990400

  • 81441738968990400 backwards is 00409986983714418
  • 81441738968990400 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81441738968990400's digits is 81
  • More coming soon!

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"Number 81441738968990400 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.

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Numbermatics. (2024). Number 81441738968990400 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/81441738968990400/

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The information we have on file for 81441738968990400 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 81441738968990400, math, Factors of 81441738968990400, curriculum, school, college, exams, university, Prime factorization of 81441738968990400, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, four hundred forty-one trillion, seven hundred thirty-eight billion, nine hundred sixty-eight million, nine hundred ninety thousand, four hundred.

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