820213389

820,213,389 is an odd composite number composed of two prime numbers multiplied together.

What does the number 820213389 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

820213389 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 820213389:

32 × 91134821

(3 × 3 × 91134821)

See below for interesting mathematical facts about the number 820213389 from the Numbermatics database.


Names of 820213389

  • Cardinal: 820213389 can be written as Eight hundred twenty million, two hundred thirteen thousand, three hundred eighty-nine.

Scientific notation

  • Scientific notation: 8.20213389 × 108

Factors of 820213389

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 91134824

Divisors of 820213389

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 1184752686
  • Sum of proper divisors (its aliquot sum) s(n): 364539297
  • 820213389 is a deficient number, because the sum of its proper divisors (364539297) is less than itself. Its deficiency is 455674092

Bases of 820213389

  • Binary: 1100001110001101110110100011012
  • Hexadecimal: 0x30E3768D
  • Base-36: DKC0P9

Squares and roots of 820213389

Scales and comparisons

How big is 820213389?
  • 820,213,389 seconds is equal to 26 years, 4 weeks, 1 day, 5 hours, 3 minutes, 9 seconds.
  • To count from 1 to 820,213,389 would take you about thirty-nine 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 820213389 cubic inches would be around 78 feet tall.

Recreational maths with 820213389

  • 820213389 backwards is 983312028
  • The number of decimal digits it has is: 9
  • The sum of 820213389's digits is 36
  • 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 820213389 - Facts about the integer". Numbermatics.com. 2024. Web. 11 May 2024.

APA style:
Numbermatics. (2024). Number 820213389 - Facts about the integer. Retrieved 11 May 2024, from https://numbermatics.com/n/820213389/

Chicago style:
Numbermatics. 2024. "Number 820213389 - Facts about the integer". https://numbermatics.com/n/820213389/

The information we have on file for 820213389 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 820213389, math, Factors of 820213389, curriculum, school, college, exams, university, Prime factorization of 820213389, STEM, science, technology, engineering, physics, economics, calculator, eight hundred twenty million, two hundred thirteen thousand, three hundred eighty-nine.

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