81841649679401616

81,841,649,679,401,616 is an even composite number composed of five prime numbers multiplied together.

What does the number 81841649679401616 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 1575 divisors.

81841649679401616 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one thousand, five hundred seventy-five divisors.

Prime factorization of 81841649679401616:

24 × 36 × 232 × 412 × 534

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 23 × 23 × 41 × 41 × 53 × 53 × 53 × 53)

See below for interesting mathematical facts about the number 81841649679401616 from the Numbermatics database.


Names of 81841649679401616

  • Cardinal: 81841649679401616 can be written as Eighty-one quadrillion, eight hundred forty-one trillion, six hundred forty-nine billion, six hundred seventy-nine million, four hundred one thousand, six hundred sixteen.

Scientific notation

  • Scientific notation: 8.1841649679401616 × 1016

Factors of 81841649679401616

  • Number of distinct prime factors ω(n): 5
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 122

Divisors of 81841649679401616

Bases of 81841649679401616

  • Binary: 1001000101100001010001011111110001111100100000010100100002
  • Hexadecimal: 0x122C28BF8F90290
  • Base-36: MDUFYTMC900

Squares and roots of 81841649679401616

  • 81841649679401616 squared (818416496794016162) is 6698055622245898634996123823411456
  • 81841649679401616 cubed (818416496794016163) is 548179921768995241586680964304739043892785839312896
  • 81841649679401616 is a perfect square number. Its square root is 286079796
  • The cube root of 81841649679401616 is 434168.3138835359

Scales and comparisons

How big is 81841649679401616?
  • 81,841,649,679,401,616 seconds is equal to 2,602,311,306 years, 49 weeks, 6 days, 19 hours, 33 minutes, 36 seconds.
  • To count from 1 to 81,841,649,679,401,616 would take you about seven billion, eight hundred six million, nine hundred thirty-three thousand, nine hundred twenty 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 81841649679401616 cubic inches would be around 36180.7 feet tall.

Recreational maths with 81841649679401616

  • 81841649679401616 backwards is 61610497694614818
  • 81841649679401616 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81841649679401616's digits is 81
  • More coming soon!

Copy this link to share with anyone:


Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

Cite this page

MLA style:
"Number 81841649679401616 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.

APA style:
Numbermatics. (2024). Number 81841649679401616 - Facts about the integer. Retrieved 4 May 2024, from https://numbermatics.com/n/81841649679401616/

Chicago style:
Numbermatics. 2024. "Number 81841649679401616 - Facts about the integer". https://numbermatics.com/n/81841649679401616/

The information we have on file for 81841649679401616 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 81841649679401616, math, Factors of 81841649679401616, curriculum, school, college, exams, university, Prime factorization of 81841649679401616, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, eight hundred forty-one trillion, six hundred forty-nine billion, six hundred seventy-nine million, four hundred one thousand, six hundred sixteen.

Oh no. Javascript is switched off in your browser.
Some bits of this website may not work unless you switch it on.