21021772

21,021,772 is an even composite number composed of three prime numbers multiplied together.

What does the number 21021772 look like?

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

21021772 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 21021772:

2² × 37 × 142039

(2 × 2 × 37 × 142039)

See below for interesting mathematical facts about the number 21021772 from the Numbermatics database.

Names of 21021772

Cardinal: 21021772 can be written as Twenty-one million, twenty-one thousand, seven hundred seventy-two.

Scientific notation

Scientific notation: 2.1021772 × 10⁷

Factors of 21021772

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 142078

Divisors of 21021772

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 37 74 148 142039 284078 568156 5255443 10510886 21021772
Sum of all divisors σ(n): 37782640
Sum of proper divisors (its aliquot sum) s(n): 16760868
21021772 is a deficient number, because the sum of its proper divisors (16760868) is less than itself. Its deficiency is 4260904

Bases of 21021772

Binary: 1010000001100010001001100₂
Hexadecimal: 0x140C44C
Base-36: CIKI4

Squares and roots of 21021772

21021772 squared (21021772²) is 441914898019984
21021772 cubed (21021772³) is 9289834229579355091648
The square root of 21021772 is 4584.9505995159
The cube root of 21021772 is 275.9877296233

Scales and comparisons

How big is 21021772?

21,021,772 seconds is equal to 34 weeks, 5 days, 7 hours, 22 minutes, 52 seconds.
To count from 1 to 21,021,772 would take you about twenty-three 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 21021772 cubic inches would be around 23 feet tall.

Recreational maths with 21021772

21021772 backwards is 27712012
The number of decimal digits it has is: 8
The sum of 21021772's digits is 22
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/21021772/?utm_source=shared">Number 21021772 - 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/21021772/?utm_source=shared]Number 21021772 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21021772 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 21021772 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/21021772/

Chicago style:
Numbermatics. 2024. "Number 21021772 - Facts about the integer". https://numbermatics.com/n/21021772/

The information we have on file for 21021772 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 21021772, math, Factors of 21021772, curriculum, school, college, exams, university, Prime factorization of 21021772, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, twenty-one thousand, seven hundred seventy-two.