21420744

21,420,744 is an even composite number composed of three prime numbers multiplied together.

What does the number 21420744 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

21420744 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 21420744:

2³ × 3 × 892531

(2 × 2 × 2 × 3 × 892531)

See below for interesting mathematical facts about the number 21420744 from the Numbermatics database.

Names of 21420744

Cardinal: 21420744 can be written as Twenty-one million, four hundred twenty thousand, seven hundred forty-four.

Scientific notation

Scientific notation: 2.1420744 × 10⁷

Factors of 21420744

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 892536

Divisors of 21420744

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 4 6 8 12 24 892531 1785062 2677593 3570124 5355186 7140248 10710372 21420744
Sum of all divisors σ(n): 53551920
Sum of proper divisors (its aliquot sum) s(n): 32131176
21420744 is an abundant number, because the sum of its proper divisors (32131176) is greater than itself. Its abundance is 10710432

Bases of 21420744

Binary: 1010001101101101011001000₂
Hexadecimal: 0x146DAC8
Base-36: CR4CO

Squares and roots of 21420744

21420744 squared (21420744²) is 458848273513536
21420744 cubed (21420744³) is 9828871401775435190784
The square root of 21420744 is 4628.2549627263
The cube root of 21420744 is 277.7227883801

Scales and comparisons

How big is 21420744?

21,420,744 seconds is equal to 35 weeks, 2 days, 22 hours, 12 minutes, 24 seconds.
To count from 1 to 21,420,744 would take you about twenty-one 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 21420744 cubic inches would be around 23.1 feet tall.

Recreational maths with 21420744

21420744 backwards is 44702412
21420744 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21420744's digits is 24
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/21420744/?utm_source=shared">Number 21420744 - 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/21420744/?utm_source=shared]Number 21420744 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21420744 - Facts about the integer". Numbermatics.com. 2024. Web. 1 June 2024.

APA style:
Numbermatics. (2024). Number 21420744 - Facts about the integer. Retrieved 1 June 2024, from https://numbermatics.com/n/21420744/

Chicago style:
Numbermatics. 2024. "Number 21420744 - Facts about the integer". https://numbermatics.com/n/21420744/

The information we have on file for 21420744 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 21420744, math, Factors of 21420744, curriculum, school, college, exams, university, Prime factorization of 21420744, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, four hundred twenty thousand, seven hundred forty-four.