81840355995313440

81,840,355,995,313,440 is an even composite number composed of nine prime numbers multiplied together.

What does the number 81840355995313440 look like?

This visualization shows the relationship between its 9 prime factors (large circles) and 5376 divisors.

81840355995313440 is an even composite number. It is composed of nine distinct prime numbers multiplied together. It has a total of five thousand, three hundred seventy-six divisors.

Prime factorization of 81840355995313440:

25 × 36 × 5 × 7 × 61 × 67 × 163 × 379 × 397

(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 61 × 67 × 163 × 379 × 397)

See below for interesting mathematical facts about the number 81840355995313440 from the Numbermatics database.


Names of 81840355995313440

  • Cardinal: 81840355995313440 can be written as Eighty-one quadrillion, eight hundred forty trillion, three hundred fifty-five billion, nine hundred ninety-five million, three hundred thirteen thousand, four hundred forty.

Scientific notation

  • Scientific notation: 8.184035599531344 × 1016

Factors of 81840355995313440

  • Number of distinct prime factors ω(n): 9
  • Total number of prime factors Ω(n): 18
  • Sum of prime factors: 1084

Divisors of 81840355995313440

Bases of 81840355995313440

  • Binary: 1001000101100000101011110110000110110010001100101001000002
  • Hexadecimal: 0x122C15EC3646520
  • Base-36: MDTZGIG8I00

Squares and roots of 81840355995313440

  • 81840355995313440 squared (818403559953134402) is 6697843869439636522391243844633600
  • 81840355995313440 cubed (818403559953134403) is 548153926675967526338340344587244605809093955584000
  • The square root of 81840355995313440 is 286077534.9364459273
  • The cube root of 81840355995313440 is 434166.0262154149

Scales and comparisons

How big is 81840355995313440?
  • 81,840,355,995,313,440 seconds is equal to 2,602,270,171 years, 42 weeks, 8 hours, 24 minutes.
  • To count from 1 to 81,840,355,995,313,440 would take you about seven billion, eight hundred six million, eight hundred ten thousand, five hundred fifteen 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 81840355995313440 cubic inches would be around 36180.5 feet tall.

Recreational maths with 81840355995313440

  • 81840355995313440 backwards is 04431359955304818
  • 81840355995313440 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81840355995313440's digits is 72
  • 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 81840355995313440 - Facts about the integer". Numbermatics.com. 2024. Web. 22 September 2024.

APA style:
Numbermatics. (2024). Number 81840355995313440 - Facts about the integer. Retrieved 22 September 2024, from https://numbermatics.com/n/81840355995313440/

Chicago style:
Numbermatics. 2024. "Number 81840355995313440 - Facts about the integer". https://numbermatics.com/n/81840355995313440/

The information we have on file for 81840355995313440 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 81840355995313440, math, Factors of 81840355995313440, curriculum, school, college, exams, university, Prime factorization of 81840355995313440, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, eight hundred forty trillion, three hundred fifty-five billion, nine hundred ninety-five million, three hundred thirteen thousand, four hundred forty.

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