21427231

21,427,231 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21427231 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

21427231 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21427231:

7 × 19 × 31 × 5197

See below for interesting mathematical facts about the number 21427231 from the Numbermatics database.

Names of 21427231

Cardinal: 21427231 can be written as Twenty-one million, four hundred twenty-seven thousand, two hundred thirty-one.

Scientific notation

Scientific notation: 2.1427231 × 10⁷

Factors of 21427231

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 5254

Divisors of 21427231

Number of divisors d(n): 16
Complete list of divisors:
1 7 19 31 133 217 589 4123 5197 36379 98743 161107 691201 1127749 3061033 21427231
Sum of all divisors σ(n): 26613760
Sum of proper divisors (its aliquot sum) s(n): 5186529
21427231 is a deficient number, because the sum of its proper divisors (5186529) is less than itself. Its deficiency is 16240702

Bases of 21427231

Binary: 1010001101111010000011111₂
Hexadecimal: 0x146F41F
Base-36: CR9CV

Squares and roots of 21427231

21427231 squared (21427231²) is 459126228327361
21427231 cubed (21427231³) is 9837803752529107767391
The square root of 21427231 is 4628.9557137653
The cube root of 21427231 is 277.7508204891

Scales and comparisons

How big is 21427231?

21,427,231 seconds is equal to 35 weeks, 3 days, 31 seconds.
To count from 1 to 21,427,231 would take you about forty-six seconds!

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 21427231 cubic inches would be around 23.1 feet tall.

Recreational maths with 21427231

21427231 backwards is 13272412
The number of decimal digits it has is: 8
The sum of 21427231'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/21427231/?utm_source=shared">Number 21427231 - 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/21427231/?utm_source=shared]Number 21427231 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21427231 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.

APA style:
Numbermatics. (2024). Number 21427231 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/21427231/

Chicago style:
Numbermatics. 2024. "Number 21427231 - Facts about the integer". https://numbermatics.com/n/21427231/

The information we have on file for 21427231 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 21427231, math, Factors of 21427231, curriculum, school, college, exams, university, Prime factorization of 21427231, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, four hundred twenty-seven thousand, two hundred thirty-one.