21331640

21,331,640 is an even composite number composed of four prime numbers multiplied together.

What does the number 21331640 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21331640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21331640:

2³ × 5 × 11 × 48481

(2 × 2 × 2 × 5 × 11 × 48481)

See below for interesting mathematical facts about the number 21331640 from the Numbermatics database.

Names of 21331640

Cardinal: 21331640 can be written as Twenty-one million, three hundred thirty-one thousand, six hundred forty.

Scientific notation

Scientific notation: 2.133164 × 10⁷

Factors of 21331640

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 48499

Divisors of 21331640

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 48481 96962 193924 242405 387848 484810 533291 969620 1066582 1939240 2133164 2666455 4266328 5332910 10665820 21331640
Sum of all divisors σ(n): 52360560
Sum of proper divisors (its aliquot sum) s(n): 31028920
21331640 is an abundant number, because the sum of its proper divisors (31028920) is greater than itself. Its abundance is 9697280

Bases of 21331640

Binary: 1010001010111111010111000₂
Hexadecimal: 0x1457EB8
Base-36: CP7LK

Squares and roots of 21331640

21331640 squared (21331640²) is 455038865089600
21331640 cubed (21331640³) is 9706725256099914944000
The square root of 21331640 is 4618.6188411689
The cube root of 21331640 is 277.3371714725

Scales and comparisons

How big is 21331640?

21,331,640 seconds is equal to 35 weeks, 1 day, 21 hours, 27 minutes, 20 seconds.
To count from 1 to 21,331,640 would take you about six 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 21331640 cubic inches would be around 23.1 feet tall.

Recreational maths with 21331640

21331640 backwards is 04613312
21331640 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21331640's digits is 20
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/21331640/?utm_source=shared">Number 21331640 - 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/21331640/?utm_source=shared]Number 21331640 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21331640 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 21331640 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/21331640/

Chicago style:
Numbermatics. 2024. "Number 21331640 - Facts about the integer". https://numbermatics.com/n/21331640/

The information we have on file for 21331640 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 21331640, math, Factors of 21331640, curriculum, school, college, exams, university, Prime factorization of 21331640, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, three hundred thirty-one thousand, six hundred forty.