15820225

15,820,225 is an odd composite number composed of three prime numbers multiplied together.

What does the number 15820225 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

15820225 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 15820225:

5² × 29 × 21821

(5 × 5 × 29 × 21821)

See below for interesting mathematical facts about the number 15820225 from the Numbermatics database.

Names of 15820225

Cardinal: 15820225 can be written as Fifteen million, eight hundred twenty thousand, two hundred twenty-five.

Scientific notation

Scientific notation: 1.5820225 × 10⁷

Factors of 15820225

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 21855

Divisors of 15820225

Number of divisors d(n): 12
Complete list of divisors:
1 5 25 29 145 725 21821 109105 545525 632809 3164045 15820225
Sum of all divisors σ(n): 20294460
Sum of proper divisors (its aliquot sum) s(n): 4474235
15820225 is a deficient number, because the sum of its proper divisors (4474235) is less than itself. Its deficiency is 11345990

Bases of 15820225

Binary: 111100010110010111000001₂
Hexadecimal: 0xF165C1
Base-36: 9F2YP

Squares and roots of 15820225

15820225 squared (15820225²) is 250279519050625
15820225 cubed (15820225³) is 3959478304272673890625
The square root of 15820225 is 3977.4646447203
The cube root of 15820225 is 251.0368934621

Scales and comparisons

How big is 15820225?

15,820,225 seconds is equal to 26 weeks, 1 day, 2 hours, 30 minutes, 25 seconds.
To count from 1 to 15,820,225 would take you about thirty-nine 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 15820225 cubic inches would be around 20.9 feet tall.

Recreational maths with 15820225

15820225 backwards is 52202851
15820225 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 15820225's digits is 25
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/15820225/?utm_source=shared">Number 15820225 - 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/15820225/?utm_source=shared]Number 15820225 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 15820225 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 15820225 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/15820225/

Chicago style:
Numbermatics. 2024. "Number 15820225 - Facts about the integer". https://numbermatics.com/n/15820225/

The information we have on file for 15820225 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 15820225, math, Factors of 15820225, curriculum, school, college, exams, university, Prime factorization of 15820225, STEM, science, technology, engineering, physics, economics, calculator, fifteen million, eight hundred twenty thousand, two hundred twenty-five.