15828407721

15,828,407,721 is an odd composite number composed of three prime numbers multiplied together.

What does the number 15828407721 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 45 divisors.

15828407721 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-five divisors.

Prime factorization of 15828407721:

3⁴ × 7² × 1997²

(3 × 3 × 3 × 3 × 7 × 7 × 1997 × 1997)

See below for interesting mathematical facts about the number 15828407721 from the Numbermatics database.

Names of 15828407721

Cardinal: 15828407721 can be written as Fifteen billion, eight hundred twenty-eight million, four hundred seven thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.5828407721 × 10¹⁰

Factors of 15828407721

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 2007

Divisors of 15828407721

Number of divisors d(n): 45
Complete list of divisors:
1 3 7 9 21 27 49 63 81 147 189 441 567 1323 1997 3969 5991 13979 17973 41937 53919 97853 125811 161757 293559 377433 880677 1132299 2642031 3988009 7926093 11964027 27916063 35892081 83748189 107676243 195412441 251244567 323028729 586237323 753733701 1758711969 2261201103 5276135907 15828407721
Sum of all divisors σ(n): 27519078279
Sum of proper divisors (its aliquot sum) s(n): 11690670558
15828407721 is a deficient number, because the sum of its proper divisors (11690670558) is less than itself. Its deficiency is 4137737163

Bases of 15828407721

Binary: 1110101111011100100101010110101001₂
Hexadecimal: 0x3AF7255A9
Base-36: 79RTPK9

Squares and roots of 15828407721

15828407721 squared (15828407721²) is 250538490982212413841
15828407721 cubed (15828407721³) is 3965625385070539844902931666361
15828407721 is a perfect square number. Its square root is 125811
The cube root of 15828407721 is 2510.8016741051

Scales and comparisons

How big is 15828407721?

15,828,407,721 seconds is equal to 503 years, 15 weeks, 2 days, 3 hours, 55 minutes, 21 seconds.
To count from 1 to 15,828,407,721 would take you about one thousand and six 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 15828407721 cubic inches would be around 209.2 feet tall.

Recreational maths with 15828407721

15828407721 backwards is 12770482851
The number of decimal digits it has is: 11
The sum of 15828407721's digits is 45
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/15828407721/?utm_source=shared">Number 15828407721 - 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/15828407721/?utm_source=shared]Number 15828407721 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 15828407721 - Facts about the integer". Numbermatics.com. 2024. Web. 2 May 2024.

APA style:
Numbermatics. (2024). Number 15828407721 - Facts about the integer. Retrieved 2 May 2024, from https://numbermatics.com/n/15828407721/

Chicago style:
Numbermatics. 2024. "Number 15828407721 - Facts about the integer". https://numbermatics.com/n/15828407721/

The information we have on file for 15828407721 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 15828407721, math, Factors of 15828407721, curriculum, school, college, exams, university, Prime factorization of 15828407721, STEM, science, technology, engineering, physics, economics, calculator, fifteen billion, eight hundred twenty-eight million, four hundred seven thousand, seven hundred twenty-one.