18520990

18,520,990 is an even composite number composed of four prime numbers multiplied together.

What does the number 18520990 look like?

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

18520990 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 18520990:

2 × 5 × 17 × 108947

See below for interesting mathematical facts about the number 18520990 from the Numbermatics database.

Names of 18520990

Cardinal: 18520990 can be written as Eighteen million, five hundred twenty thousand, nine hundred ninety.

Scientific notation

Scientific notation: 1.852099 × 10⁷

Factors of 18520990

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 108971

Divisors of 18520990

Number of divisors d(n): 16
Complete list of divisors:
1 2 5 10 17 34 85 170 108947 217894 544735 1089470 1852099 3704198 9260495 18520990
Sum of all divisors σ(n): 35299152
Sum of proper divisors (its aliquot sum) s(n): 16778162
18520990 is a deficient number, because the sum of its proper divisors (16778162) is less than itself. Its deficiency is 1742828

Bases of 18520990

Binary: 1000110101001101110011110₂
Hexadecimal: 0x11A9B9E
Base-36: B0YVY

Squares and roots of 18520990

18520990 squared (18520990²) is 343027070580100
18520990 cubed (18520990³) is 6353200943943326299000
The square root of 18520990 is 4303.6019797375
The cube root of 18520990 is 264.5786111681

Scales and comparisons

How big is 18520990?

18,520,990 seconds is equal to 30 weeks, 4 days, 8 hours, 43 minutes, 10 seconds.
To count from 1 to 18,520,990 would take you about forty-five 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 18520990 cubic inches would be around 22 feet tall.

Recreational maths with 18520990

18520990 backwards is 09902581
18520990 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 18520990's digits is 34
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/18520990/?utm_source=shared">Number 18520990 - 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/18520990/?utm_source=shared]Number 18520990 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 18520990 - Facts about the integer". Numbermatics.com. 2024. Web. 6 June 2024.

APA style:
Numbermatics. (2024). Number 18520990 - Facts about the integer. Retrieved 6 June 2024, from https://numbermatics.com/n/18520990/

Chicago style:
Numbermatics. 2024. "Number 18520990 - Facts about the integer". https://numbermatics.com/n/18520990/

The information we have on file for 18520990 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 18520990, math, Factors of 18520990, curriculum, school, college, exams, university, Prime factorization of 18520990, STEM, science, technology, engineering, physics, economics, calculator, eighteen million, five hundred twenty thousand, nine hundred ninety.