21168140

21,168,140 is an even composite number composed of four prime numbers multiplied together.

What does the number 21168140 look like?

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

21168140 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21168140:

2² × 5 × 7 × 151201

(2 × 2 × 5 × 7 × 151201)

See below for interesting mathematical facts about the number 21168140 from the Numbermatics database.

Names of 21168140

Cardinal: 21168140 can be written as Twenty-one million, one hundred sixty-eight thousand, one hundred forty.

Scientific notation

Scientific notation: 2.116814 × 10⁷

Factors of 21168140

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 151215

Divisors of 21168140

Number of divisors d(n): 24
Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 70 140 151201 302402 604804 756005 1058407 1512010 2116814 3024020 4233628 5292035 10584070 21168140
Sum of all divisors σ(n): 50803872
Sum of proper divisors (its aliquot sum) s(n): 29635732
21168140 is an abundant number, because the sum of its proper divisors (29635732) is greater than itself. Its abundance is 8467592

Bases of 21168140

Binary: 1010000110000000000001100₂
Hexadecimal: 0x143000C
Base-36: CLPFW

Squares and roots of 21168140

21168140 squared (21168140²) is 448090151059600
21168140 cubed (21168140³) is 9485235050250761144000
The square root of 21168140 is 4600.8846975337
The cube root of 21168140 is 276.6267873681

Scales and comparisons

How big is 21168140?

21,168,140 seconds is equal to 35 weeks, 2 minutes, 20 seconds.
To count from 1 to 21,168,140 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 21168140 cubic inches would be around 23.1 feet tall.

Recreational maths with 21168140

21168140 backwards is 04186112
The number of decimal digits it has is: 8
The sum of 21168140's digits is 23
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/21168140/?utm_source=shared">Number 21168140 - 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/21168140/?utm_source=shared]Number 21168140 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 21168140 - Facts about the integer". Numbermatics.com. 2024. Web. 5 May 2024.

APA style:
Numbermatics. (2024). Number 21168140 - Facts about the integer. Retrieved 5 May 2024, from https://numbermatics.com/n/21168140/

Chicago style:
Numbermatics. 2024. "Number 21168140 - Facts about the integer". https://numbermatics.com/n/21168140/

The information we have on file for 21168140 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 21168140, math, Factors of 21168140, curriculum, school, college, exams, university, Prime factorization of 21168140, STEM, science, technology, engineering, physics, economics, calculator, twenty-one million, one hundred sixty-eight thousand, one hundred forty.