21468

21,468 is an even composite number composed of three prime numbers multiplied together.

What does the number 21468 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

21468 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 21468:

2² × 3 × 1789

(2 × 2 × 3 × 1789)

See below for interesting mathematical facts about the number 21468 from the Numbermatics database.

Names of 21468

Cardinal: 21468 can be written as Twenty-one thousand, four hundred sixty-eight.

Scientific notation

Scientific notation: 2.1468 × 10⁴

Factors of 21468

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1794

Divisors of 21468

Number of divisors d(n): 12
Complete list of divisors:
1 2 3 4 6 12 1789 3578 5367 7156 10734 21468
Sum of all divisors σ(n): 50120
Sum of proper divisors (its aliquot sum) s(n): 28652
21468 is an abundant number, because the sum of its proper divisors (28652) is greater than itself. Its abundance is 7184

Bases of 21468

Binary: 101001111011100₂
Hexadecimal: 0x53DC
Base-36: GKC

Squares and roots of 21468

21468 squared (21468²) is 460875024
21468 cubed (21468³) is 9894065015232
The square root of 21468 is 146.5196232591
The cube root of 21468 is 27.7926865153

Scales and comparisons

How big is 21468?

21,468 seconds is equal to 5 hours, 57 minutes, 48 seconds.
To count from 1 to 21,468 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 21468 cubic inches would be around 2.3 feet tall.

Recreational maths with 21468

21468 backwards is 86412
The number of decimal digits it has is: 5
The sum of 21468's digits is 21
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.

<a href="https://numbermatics.com/n/21468/?utm_source=shared">Number 21468 - Facts about the integer</a>

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

[url=https://numbermatics.com/n/21468/?utm_source=shared]Number 21468 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21468 - Facts about the integer". Numbermatics.com. 2024. Web. 19 April 2024.

APA style:
Numbermatics. (2024). Number 21468 - Facts about the integer. Retrieved 19 April 2024, from https://numbermatics.com/n/21468/

Chicago style:
Numbermatics. 2024. "Number 21468 - Facts about the integer". https://numbermatics.com/n/21468/

The information we have on file for 21468 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 21468, math, Factors of 21468, curriculum, school, college, exams, university, Prime factorization of 21468, STEM, science, technology, engineering, physics, economics, calculator, twenty-one thousand, four hundred sixty-eight.