728813161

728,813,161 is an odd composite number composed of three prime numbers multiplied together.

What does the number 728813161 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.

728813161 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.

Prime factorization of 728813161:

37² × 47² × 241

(37 × 37 × 47 × 47 × 241)

See below for interesting mathematical facts about the number 728813161 from the Numbermatics database.

Names of 728813161

Cardinal: 728813161 can be written as Seven hundred twenty-eight million, eight hundred thirteen thousand, one hundred sixty-one.

Scientific notation

Scientific notation: 7.28813161 × 10⁸

Factors of 728813161

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 325

Divisors of 728813161

Number of divisors d(n): 18
Complete list of divisors:
1 37 47 241 1369 1739 2209 8917 11327 64343 81733 329929 419099 532369 3024121 15506663 19697653 728813161
Sum of all divisors σ(n): 768494958
Sum of proper divisors (its aliquot sum) s(n): 39681797
728813161 is a deficient number, because the sum of its proper divisors (39681797) is less than itself. Its deficiency is 689131364

Bases of 728813161

Binary: 101011011100001100111001101001₂
Hexadecimal: 0x2B70CE69
Base-36: C1WZU1

Squares and roots of 728813161

728813161 squared (728813161²) is 531168623646811921
728813161 cubed (728813161³) is 387122683624052343716492281
The square root of 728813161 is 26996.5397967963
The cube root of 728813161 is 899.9231049529

Scales and comparisons

How big is 728813161?

728,813,161 seconds is equal to 23 years, 9 weeks, 8 hours, 6 minutes, 1 second.
To count from 1 to 728,813,161 would take you about thirty-four years!

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 728813161 cubic inches would be around 75 feet tall.

Recreational maths with 728813161

728813161 backwards is 161318827
728813161 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 728813161's digits is 37
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/728813161/?utm_source=shared">Number 728813161 - 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/728813161/?utm_source=shared]Number 728813161 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 728813161 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 728813161 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/728813161/

Chicago style:
Numbermatics. 2024. "Number 728813161 - Facts about the integer". https://numbermatics.com/n/728813161/

The information we have on file for 728813161 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 728813161, math, Factors of 728813161, curriculum, school, college, exams, university, Prime factorization of 728813161, STEM, science, technology, engineering, physics, economics, calculator, seven hundred twenty-eight million, eight hundred thirteen thousand, one hundred sixty-one.