138021507

138,021,507 is an odd composite number composed of four prime numbers multiplied together.

What does the number 138021507 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

138021507 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 138021507:

32 × 13 × 37 × 31883

(3 × 3 × 13 × 37 × 31883)

See below for interesting mathematical facts about the number 138021507 from the Numbermatics database.


Names of 138021507

  • Cardinal: 138021507 can be written as One hundred thirty-eight million, twenty-one thousand, five hundred seven.

Scientific notation

  • Scientific notation: 1.38021507 × 108

Factors of 138021507

  • Number of distinct prime factors ω(n): 4
  • Total number of prime factors Ω(n): 5
  • Sum of prime factors: 31936

Divisors of 138021507

Bases of 138021507

  • Binary: 10000011101000001010100000112
  • Hexadecimal: 0x83A0A83
  • Base-36: 2A6A2R

Squares and roots of 138021507

Scales and comparisons

How big is 138021507?
  • 138,021,507 seconds is equal to 4 years, 20 weeks, 1 day, 11 hours, 18 minutes, 27 seconds.
  • To count from 1 to 138,021,507 would take you about six 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 138021507 cubic inches would be around 43.1 feet tall.

Recreational maths with 138021507

  • 138021507 backwards is 705120831
  • The number of decimal digits it has is: 9
  • The sum of 138021507's digits is 27
  • 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 138021507 - Facts about the integer". Numbermatics.com. 2024. Web. 9 June 2024.

APA style:
Numbermatics. (2024). Number 138021507 - Facts about the integer. Retrieved 9 June 2024, from https://numbermatics.com/n/138021507/

Chicago style:
Numbermatics. 2024. "Number 138021507 - Facts about the integer". https://numbermatics.com/n/138021507/

The information we have on file for 138021507 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 138021507, math, Factors of 138021507, curriculum, school, college, exams, university, Prime factorization of 138021507, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight million, twenty-one thousand, five hundred seven.

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