21298221

21,298,221 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21298221 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21298221 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21298221:

3⁵ × 7 × 19 × 659

(3 × 3 × 3 × 3 × 3 × 7 × 19 × 659)

See below for interesting mathematical facts about the number 21298221 from the Numbermatics database.

Names of 21298221

Cardinal: 21298221 can be written as Twenty-one million, two hundred ninety-eight thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 2.1298221 × 10⁷

Factors of 21298221

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 688

Divisors of 21298221

Number of divisors d(n): 48
Complete list of divisors:
1 3 7 9 19 21 27 57 63 81 133 171 189 243 399 513 567 659 1197 1539 1701 1977 3591 4613 4617 5931 10773 12521 13839 17793 32319 37563 41517 53379 87647 112689 124551 160137 262941 338067 373653 788823 1014201 1120959 2366469 3042603 7099407 21298221
Sum of all divisors σ(n): 38438400
Sum of proper divisors (its aliquot sum) s(n): 17140179
21298221 is a deficient number, because the sum of its proper divisors (17140179) is less than itself. Its deficiency is 4158042

Bases of 21298221

Binary: 1010001001111110000101101₂
Hexadecimal: 0x144FC2D
Base-36: COHT9

Squares and roots of 21298221

21298221 squared (21298221²) is 453614217764841
21298221 cubed (21298221³) is 9661175858697709647861
The square root of 21298221 is 4614.9995666305
The cube root of 21298221 is 277.1922666083

Scales and comparisons

How big is 21298221?

21,298,221 seconds is equal to 35 weeks, 1 day, 12 hours, 10 minutes, 21 seconds.
To count from 1 to 21,298,221 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 21298221 cubic inches would be around 23.1 feet tall.

Recreational maths with 21298221

21298221 backwards is 12289212
21298221 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21298221's digits is 27
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/21298221/?utm_source=shared">Number 21298221 - 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/21298221/?utm_source=shared]Number 21298221 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21298221 - Facts about the integer". Numbermatics.com. 2024. Web. 31 May 2024.

APA style:
Numbermatics. (2024). Number 21298221 - Facts about the integer. Retrieved 31 May 2024, from https://numbermatics.com/n/21298221/

Chicago style:
Numbermatics. 2024. "Number 21298221 - Facts about the integer". https://numbermatics.com/n/21298221/

The information we have on file for 21298221 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 21298221, math, Factors of 21298221, curriculum, school, college, exams, university, Prime factorization of 21298221, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, two hundred ninety-eight thousand, two hundred twenty-one.