21042668

21,042,668 is an even composite number composed of four prime numbers multiplied together.

What does the number 21042668 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21042668 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21042668:

2² × 17² × 109 × 167

(2 × 2 × 17 × 17 × 109 × 167)

See below for interesting mathematical facts about the number 21042668 from the Numbermatics database.

Names of 21042668

Cardinal: 21042668 can be written as Twenty-one million, forty-two thousand, six hundred sixty-eight.

Scientific notation

Scientific notation: 2.1042668 × 10⁷

Factors of 21042668

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 295

Divisors of 21042668

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 17 34 68 109 167 218 289 334 436 578 668 1156 1853 2839 3706 5678 7412 11356 18203 31501 36406 48263 63002 72812 96526 126004 193052 309451 618902 1237804 5260667 10521334 21042668
Sum of all divisors σ(n): 39713520
Sum of proper divisors (its aliquot sum) s(n): 18670852
21042668 is a deficient number, because the sum of its proper divisors (18670852) is less than itself. Its deficiency is 2371816

Bases of 21042668

Binary: 1010000010001010111101100₂
Hexadecimal: 0x14115EC
Base-36: CJ0MK

Squares and roots of 21042668

21042668 squared (21042668²) is 442793876558224
21042668 cubed (21042668³) is 9317564536847690301632
The square root of 21042668 is 4587.2287930733
The cube root of 21042668 is 276.0791448443

Scales and comparisons

How big is 21042668?

21,042,668 seconds is equal to 34 weeks, 5 days, 13 hours, 11 minutes, 8 seconds.
To count from 1 to 21,042,668 would take you about seven 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 21042668 cubic inches would be around 23 feet tall.

Recreational maths with 21042668

21042668 backwards is 86624012
The number of decimal digits it has is: 8
The sum of 21042668's digits is 29
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/21042668/?utm_source=shared">Number 21042668 - 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/21042668/?utm_source=shared]Number 21042668 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21042668 - Facts about the integer". Numbermatics.com. 2024. Web. 10 June 2024.

APA style:
Numbermatics. (2024). Number 21042668 - Facts about the integer. Retrieved 10 June 2024, from https://numbermatics.com/n/21042668/

Chicago style:
Numbermatics. 2024. "Number 21042668 - Facts about the integer". https://numbermatics.com/n/21042668/

The information we have on file for 21042668 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 21042668, math, Factors of 21042668, curriculum, school, college, exams, university, Prime factorization of 21042668, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, forty-two thousand, six hundred sixty-eight.