81536

81,536 is an even composite number composed of three prime numbers multiplied together.

What does the number 81536 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 48 divisors.

81536 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 81536:

27 × 72 × 13

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 13)

See below for interesting mathematical facts about the number 81536 from the Numbermatics database.


Names of 81536

  • Cardinal: 81536 can be written as Eighty-one thousand, five hundred thirty-six.

Scientific notation

  • Scientific notation: 8.1536 × 104

Factors of 81536

  • Number of distinct prime factors ω(n): 3
  • Total number of prime factors Ω(n): 10
  • Sum of prime factors: 22

Divisors of 81536

Bases of 81536

  • Binary: 100111110100000002
  • Hexadecimal: 0x13E80
  • Base-36: 1QWW

Squares and roots of 81536

  • 81536 squared (815362) is 6648119296
  • 81536 cubed (815363) is 542061054918656
  • The square root of 81536 is 285.5450927611
  • The cube root of 81536 is 43.3627151161

Scales and comparisons

How big is 81536?
  • 81,536 seconds is equal to 22 hours, 38 minutes, 56 seconds.
  • To count from 1 to 81,536 would take you about twenty-two hours.

    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 81536 cubic inches would be around 3.6 feet tall.

Recreational maths with 81536

  • 81536 backwards is 63518
  • The number of decimal digits it has is: 5
  • The sum of 81536's digits is 23
  • 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 81536 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

APA style:
Numbermatics. (2024). Number 81536 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/81536/

Chicago style:
Numbermatics. 2024. "Number 81536 - Facts about the integer". https://numbermatics.com/n/81536/

The information we have on file for 81536 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 81536, math, Factors of 81536, curriculum, school, college, exams, university, Prime factorization of 81536, STEM, science, technology, engineering, physics, economics, calculator, eighty-one thousand, five hundred thirty-six.

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