81378388578816000

81,378,388,578,816,000 is an even composite number composed of seven prime numbers multiplied together.

What does the number 81378388578816000 look like?

This visualization shows the relationship between its 7 prime factors (large circles) and 9360 divisors.

81378388578816000 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of nine thousand, three hundred sixty divisors.

Prime factorization of 81378388578816000:

212 × 34 × 53 × 72 × 17 × 292 × 2801

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 5 × 7 × 7 × 17 × 29 × 29 × 2801)

See below for interesting mathematical facts about the number 81378388578816000 from the Numbermatics database.


Names of 81378388578816000

  • Cardinal: 81378388578816000 can be written as Eighty-one quadrillion, three hundred seventy-eight trillion, three hundred eighty-eight billion, five hundred seventy-eight million, eight hundred sixteen thousand.

Scientific notation

  • Scientific notation: 8.1378388578816 × 1016

Factors of 81378388578816000

  • Number of distinct prime factors ω(n): 7
  • Total number of prime factors Ω(n): 25
  • Sum of prime factors: 2864

Divisors of 81378388578816000

Bases of 81378388578816000

  • Binary: 1001000010001110100110110100101111010001001010000000000002
  • Hexadecimal: 0x1211D3697A25000
  • Base-36: M9A8BM03K00

Squares and roots of 81378388578816000

  • 81378388578816000 squared (813783885788160002) is 6622442127684770392243961856000000
  • 81378388578816000 cubed (813783885788160003) is 538923668807452249248929377931849153642496000000000
  • The square root of 81378388578816000 is 285268975.8435291189
  • The cube root of 81378388578816000 is 433347.5663719539

Scales and comparisons

How big is 81378388578816000?
  • 81,378,388,578,816,000 seconds is equal to 2,587,581,036 years, 48 weeks.
  • To count from 1 to 81,378,388,578,816,000 would take you about seven billion, seven hundred sixty-two million, seven hundred forty-three thousand, one hundred ten 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 81378388578816000 cubic inches would be around 36112.3 feet tall.

Recreational maths with 81378388578816000

  • 81378388578816000 backwards is 00061887588387318
  • 81378388578816000 is a Harshad number.
  • The number of decimal digits it has is: 17
  • The sum of 81378388578816000'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 81378388578816000 - Facts about the integer". Numbermatics.com. 2024. Web. 12 November 2024.

APA style:
Numbermatics. (2024). Number 81378388578816000 - Facts about the integer. Retrieved 12 November 2024, from https://numbermatics.com/n/81378388578816000/

Chicago style:
Numbermatics. 2024. "Number 81378388578816000 - Facts about the integer". https://numbermatics.com/n/81378388578816000/

The information we have on file for 81378388578816000 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 81378388578816000, math, Factors of 81378388578816000, curriculum, school, college, exams, university, Prime factorization of 81378388578816000, STEM, science, technology, engineering, physics, economics, calculator, eighty-one quadrillion, three hundred seventy-eight trillion, three hundred eighty-eight billion, five hundred seventy-eight million, eight hundred sixteen thousand.

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