21681364

21,681,364 is an even composite number composed of four prime numbers multiplied together.

What does the number 21681364 look like?

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

21681364 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21681364:

2² × 23 × 463 × 509

(2 × 2 × 23 × 463 × 509)

See below for interesting mathematical facts about the number 21681364 from the Numbermatics database.

Names of 21681364

Cardinal: 21681364 can be written as Twenty-one million, six hundred eighty-one thousand, three hundred sixty-four.

Scientific notation

Scientific notation: 2.1681364 × 10⁷

Factors of 21681364

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 997

Divisors of 21681364

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 23 46 92 463 509 926 1018 1852 2036 10649 11707 21298 23414 42596 46828 235667 471334 942668 5420341 10840682 21681364
Sum of all divisors σ(n): 39755520
Sum of proper divisors (its aliquot sum) s(n): 18074156
21681364 is a deficient number, because the sum of its proper divisors (18074156) is less than itself. Its deficiency is 3607208

Bases of 21681364

Binary: 1010010101101010011010100₂
Hexadecimal: 0x14AD4D4
Base-36: CWPG4

Squares and roots of 21681364

21681364 squared (21681364²) is 470081544900496
21681364 cubed (21681364³) is 10192009084669997556544
The square root of 21681364 is 4656.3251604673
The cube root of 21681364 is 278.8445754145

Scales and comparisons

How big is 21681364?

21,681,364 seconds is equal to 35 weeks, 5 days, 22 hours, 36 minutes, 4 seconds.
To count from 1 to 21,681,364 would take you about five days!

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 21681364 cubic inches would be around 23.2 feet tall.

Recreational maths with 21681364

21681364 backwards is 46318612
The number of decimal digits it has is: 8
The sum of 21681364's digits is 31
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/21681364/?utm_source=shared">Number 21681364 - 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/21681364/?utm_source=shared]Number 21681364 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21681364 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.

APA style:
Numbermatics. (2024). Number 21681364 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/21681364/

Chicago style:
Numbermatics. 2024. "Number 21681364 - Facts about the integer". https://numbermatics.com/n/21681364/

The information we have on file for 21681364 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 21681364, math, Factors of 21681364, curriculum, school, college, exams, university, Prime factorization of 21681364, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, six hundred eighty-one thousand, three hundred sixty-four.