18140991

18,140,991 is an odd composite number composed of four prime numbers multiplied together.

What does the number 18140991 look like?

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

18140991 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 18140991:

3 × 11 × 19 × 28933

See below for interesting mathematical facts about the number 18140991 from the Numbermatics database.

Names of 18140991

Cardinal: 18140991 can be written as Eighteen million, one hundred forty thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.8140991 × 10⁷

Factors of 18140991

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 28966

Divisors of 18140991

Number of divisors d(n): 16
Complete list of divisors:
1 3 11 19 33 57 209 627 28933 86799 318263 549727 954789 1649181 6046997 18140991
Sum of all divisors σ(n): 27776640
Sum of proper divisors (its aliquot sum) s(n): 9635649
18140991 is a deficient number, because the sum of its proper divisors (9635649) is less than itself. Its deficiency is 8505342

Bases of 18140991

Binary: 1000101001100111100111111₂
Hexadecimal: 0x114CF3F
Base-36: ASTOF

Squares and roots of 18140991

18140991 squared (18140991²) is 329095554462081
18140991 cubed (18140991³) is 5970119491636621262271
The square root of 18140991 is 4259.2242251377
The cube root of 18140991 is 262.7566216057

Scales and comparisons

How big is 18140991?

18,140,991 seconds is equal to 29 weeks, 6 days, 23 hours, 9 minutes, 51 seconds.
To count from 1 to 18,140,991 would take you about forty-four weeks!

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 18140991 cubic inches would be around 21.9 feet tall.

Recreational maths with 18140991

18140991 backwards is 19904181
18140991 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 18140991's digits is 33
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/18140991/?utm_source=shared">Number 18140991 - 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/18140991/?utm_source=shared]Number 18140991 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 18140991 - Facts about the integer". Numbermatics.com. 2024. Web. 21 May 2024.

APA style:
Numbermatics. (2024). Number 18140991 - Facts about the integer. Retrieved 21 May 2024, from https://numbermatics.com/n/18140991/

Chicago style:
Numbermatics. 2024. "Number 18140991 - Facts about the integer". https://numbermatics.com/n/18140991/

The information we have on file for 18140991 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 18140991, math, Factors of 18140991, curriculum, school, college, exams, university, Prime factorization of 18140991, STEM, science, technology, engineering, physics, economics, calculator, eighteen million, one hundred forty thousand, nine hundred ninety-one.