21142864

21,142,864 is an even composite number composed of two prime numbers multiplied together.

What does the number 21142864 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

21142864 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 21142864:

2⁴ × 1321429

(2 × 2 × 2 × 2 × 1321429)

See below for interesting mathematical facts about the number 21142864 from the Numbermatics database.

Names of 21142864

Cardinal: 21142864 can be written as Twenty-one million, one hundred forty-two thousand, eight hundred sixty-four.

Scientific notation

Scientific notation: 2.1142864 × 10⁷

Factors of 21142864

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 1321431

Divisors of 21142864

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 1321429 2642858 5285716 10571432 21142864
Sum of all divisors σ(n): 40964330
Sum of proper divisors (its aliquot sum) s(n): 19821466
21142864 is a deficient number, because the sum of its proper divisors (19821466) is less than itself. Its deficiency is 1321398

Bases of 21142864

Binary: 1010000101001110101010000₂
Hexadecimal: 0x1429D50
Base-36: CL5XS

Squares and roots of 21142864

21142864 squared (21142864²) is 447020698122496
21142864 cubed (21142864³) is 9451297825588988268544
The square root of 21142864 is 4598.1370140525
The cube root of 21142864 is 276.5166406495

Scales and comparisons

How big is 21142864?

21,142,864 seconds is equal to 34 weeks, 6 days, 17 hours, 1 minute, 4 seconds.
To count from 1 to 21,142,864 would take you about three 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 21142864 cubic inches would be around 23 feet tall.

Recreational maths with 21142864

21142864 backwards is 46824112
The number of decimal digits it has is: 8
The sum of 21142864's digits is 28
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/21142864/?utm_source=shared">Number 21142864 - 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/21142864/?utm_source=shared]Number 21142864 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21142864 - Facts about the integer". Numbermatics.com. 2024. Web. 16 May 2024.

APA style:
Numbermatics. (2024). Number 21142864 - Facts about the integer. Retrieved 16 May 2024, from https://numbermatics.com/n/21142864/

Chicago style:
Numbermatics. 2024. "Number 21142864 - Facts about the integer". https://numbermatics.com/n/21142864/

The information we have on file for 21142864 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 21142864, math, Factors of 21142864, curriculum, school, college, exams, university, Prime factorization of 21142864, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, one hundred forty-two thousand, eight hundred sixty-four.