21124

21,124 is an even composite number composed of two prime numbers multiplied together.

What does the number 21124 look like?

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

21124 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 21124:

22 × 5281

(2 × 2 × 5281)

See below for interesting mathematical facts about the number 21124 from the Numbermatics database.


Names of 21124

  • Cardinal: 21124 can be written as Twenty-one thousand, one hundred twenty-four.

Scientific notation

  • Scientific notation: 2.1124 × 104

Factors of 21124

  • Number of distinct prime factors ω(n): 2
  • Total number of prime factors Ω(n): 3
  • Sum of prime factors: 5283

Divisors of 21124

  • Number of divisors d(n): 6
  • Complete list of divisors:
  • Sum of all divisors σ(n): 36974
  • Sum of proper divisors (its aliquot sum) s(n): 15850
  • 21124 is a deficient number, because the sum of its proper divisors (15850) is less than itself. Its deficiency is 5274

Bases of 21124

  • Binary: 1010010100001002
  • Hexadecimal: 0x5284
  • Base-36: GAS

Squares and roots of 21124

  • 21124 squared (211242) is 446223376
  • 21124 cubed (211243) is 9426022594624
  • The square root of 21124 is 145.3409783921
  • The cube root of 21124 is 27.6434378663

Scales and comparisons

How big is 21124?
  • 21,124 seconds is equal to 5 hours, 52 minutes, 4 seconds.
  • To count from 1 to 21,124 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 21124 cubic inches would be around 2.3 feet tall.

Recreational maths with 21124

  • 21124 backwards is 42112
  • The number of decimal digits it has is: 5
  • The sum of 21124's digits is 10
  • 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 21124 - Facts about the integer". Numbermatics.com. 2024. Web. 28 March 2024.

APA style:
Numbermatics. (2024). Number 21124 - Facts about the integer. Retrieved 28 March 2024, from https://numbermatics.com/n/21124/

Chicago style:
Numbermatics. 2024. "Number 21124 - Facts about the integer". https://numbermatics.com/n/21124/

The information we have on file for 21124 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 21124, math, Factors of 21124, curriculum, school, college, exams, university, Prime factorization of 21124, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, one hundred twenty-four.

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