161638996273372800

161,638,996,273,372,800 is an even composite number composed of eight prime numbers multiplied together.

What does the number 161638996273372800 look like?

This visualization shows the relationship between its 8 prime factors (large circles) and 11520 divisors.

161638996273372800 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of eleven thousand, five hundred twenty divisors.

Prime factorization of 161638996273372800:

27 × 34 × 52 × 72 × 133 × 31 × 67 × 2789

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 7 × 13 × 13 × 13 × 31 × 67 × 2789)

See below for interesting mathematical facts about the number 161638996273372800 from the Numbermatics database.


Names of 161638996273372800

  • Cardinal: 161638996273372800 can be written as One hundred sixty-one quadrillion, six hundred thirty-eight trillion, nine hundred ninety-six billion, two hundred seventy-three million, three hundred seventy-two thousand, eight hundred.

Scientific notation

  • Scientific notation: 1.616389962733728 × 1017

Factors of 161638996273372800

  • Number of distinct prime factors ω(n): 8
  • Total number of prime factors Ω(n): 21
  • Sum of prime factors: 2917

Divisors of 161638996273372800

Bases of 161638996273372800

  • Binary: 10001111100100000111001111100010101011100110011110100000002
  • Hexadecimal: 0x23E41CF8AB99E80
  • Base-36: 187K8PRTYG00

Squares and roots of 161638996273372800

  • 161638996273372800 squared (1616389962733728002) is 26127165116263425926150287779840000
  • 161638996273372800 cubed (1616389962733728003) is 4223168744861499722118560944868704031820644352000000
  • The square root of 161638996273372800 is 402043525.3469116619
  • The cube root of 161638996273372800 is 544730.9462563031

Scales and comparisons

How big is 161638996273372800?
  • 161,638,996,273,372,800 seconds is equal to 5,139,620,099 years, 13 weeks.
  • To count from 1 to 161,638,996,273,372,800 would take you about fifteen billion, four hundred eighteen million, eight hundred sixty thousand, two hundred ninety-seven 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 161638996273372800 cubic inches would be around 45394.2 feet tall.

Recreational maths with 161638996273372800

  • 161638996273372800 backwards is 008273372699836161
  • 161638996273372800 is a Harshad number.
  • The number of decimal digits it has is: 18
  • The sum of 161638996273372800's digits is 81
  • More coming soon!

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"Number 161638996273372800 - Facts about the integer". Numbermatics.com. 2024. Web. 3 June 2024.

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Numbermatics. (2024). Number 161638996273372800 - Facts about the integer. Retrieved 3 June 2024, from https://numbermatics.com/n/161638996273372800/

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The information we have on file for 161638996273372800 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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