21643149

21,643,149 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21643149 look like?

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

21643149 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21643149:

3 × 11² × 109 × 547

(3 × 11 × 11 × 109 × 547)

See below for interesting mathematical facts about the number 21643149 from the Numbermatics database.

Names of 21643149

Cardinal: 21643149 can be written as Twenty-one million, six hundred forty-three thousand, one hundred forty-nine.

Scientific notation

Scientific notation: 2.1643149 × 10⁷

Factors of 21643149

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 670

Divisors of 21643149

Number of divisors d(n): 24
Complete list of divisors:
1 3 11 33 109 121 327 363 547 1199 1641 3597 6017 13189 18051 39567 59623 66187 178869 198561 655853 1967559 7214383 21643149
Sum of all divisors σ(n): 32068960
Sum of proper divisors (its aliquot sum) s(n): 10425811
21643149 is a deficient number, because the sum of its proper divisors (10425811) is less than itself. Its deficiency is 11217338

Bases of 21643149

Binary: 1010010100011111110001101₂
Hexadecimal: 0x14A3F8D
Base-36: CVVYL

Squares and roots of 21643149

21643149 squared (21643149²) is 468425898636201
21643149 cubed (21643149³) is 10138211519642195036949
The square root of 21643149 is 4652.2197927441
The cube root of 21643149 is 278.6806510373

Scales and comparisons

How big is 21643149?

21,643,149 seconds is equal to 35 weeks, 5 days, 11 hours, 59 minutes, 9 seconds.
To count from 1 to 21,643,149 would take you about four 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 21643149 cubic inches would be around 23.2 feet tall.

Recreational maths with 21643149

21643149 backwards is 94134612
The number of decimal digits it has is: 8
The sum of 21643149's digits is 30
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/21643149/?utm_source=shared">Number 21643149 - 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/21643149/?utm_source=shared]Number 21643149 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21643149 - Facts about the integer". Numbermatics.com. 2024. Web. 19 April 2024.

APA style:
Numbermatics. (2024). Number 21643149 - Facts about the integer. Retrieved 19 April 2024, from https://numbermatics.com/n/21643149/

Chicago style:
Numbermatics. 2024. "Number 21643149 - Facts about the integer". https://numbermatics.com/n/21643149/

The information we have on file for 21643149 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 21643149, math, Factors of 21643149, curriculum, school, college, exams, university, Prime factorization of 21643149, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, six hundred forty-three thousand, one hundred forty-nine.