20408

20,408 is an even composite number composed of two prime numbers multiplied together.

What does the number 20408 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

20408 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 20408:

23 × 2551

(2 × 2 × 2 × 2551)

See below for interesting mathematical facts about the number 20408 from the Numbermatics database.


Names of 20408

  • Cardinal: 20408 can be written as Twenty thousand, four hundred eight.

Scientific notation

  • Scientific notation: 2.0408 × 104

Factors of 20408

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 4
  • Sum of prime factors: 2553

Divisors of 20408

  • Number of divisors d(n): 8
  • Complete list of divisors:
  • Sum of all divisors σ(n): 38280
  • Sum of proper divisors (its aliquot sum) s(n): 17872
  • 20408 is a deficient number, because the sum of its proper divisors (17872) is less than itself. Its deficiency is 2536

Bases of 20408

  • Binary: 1001111101110002
  • Hexadecimal: 0x4FB8
  • Base-36: FQW

Squares and roots of 20408

  • 20408 squared (204082) is 416486464
  • 20408 cubed (204083) is 8499655757312
  • The square root of 20408 is 142.8565714275
  • The cube root of 20408 is 27.3275154517

Scales and comparisons

How big is 20408?
  • 20,408 seconds is equal to 5 hours, 40 minutes, 8 seconds.
  • To count from 1 to 20,408 would take you about five 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 20408 cubic inches would be around 2.3 feet tall.

Recreational maths with 20408

  • 20408 backwards is 80402
  • The number of decimal digits it has is: 5
  • The sum of 20408's digits is 14
  • 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 20408 - Facts about the integer". Numbermatics.com. 2024. Web. 29 March 2024.

APA style:
Numbermatics. (2024). Number 20408 - Facts about the integer. Retrieved 29 March 2024, from https://numbermatics.com/n/20408/

Chicago style:
Numbermatics. 2024. "Number 20408 - Facts about the integer". https://numbermatics.com/n/20408/

The information we have on file for 20408 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 20408, math, Factors of 20408, curriculum, school, college, exams, university, Prime factorization of 20408, STEM, science, technology, engineering, physics, economics, calculator, twenty thousand, four hundred eight.

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