72129872

72,129,872 is an even composite number composed of three prime numbers multiplied together.

What does the number 72129872 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

72129872 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 72129872:

2⁴ × 37³ × 89

(2 × 2 × 2 × 2 × 37 × 37 × 37 × 89)

See below for interesting mathematical facts about the number 72129872 from the Numbermatics database.

Names of 72129872

Cardinal: 72129872 can be written as Seventy-two million, one hundred twenty-nine thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 7.2129872 × 10⁷

Factors of 72129872

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 128

Divisors of 72129872

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 8 16 37 74 89 148 178 296 356 592 712 1369 1424 2738 3293 5476 6586 10952 13172 21904 26344 50653 52688 101306 121841 202612 243682 405224 487364 810448 974728 1949456 4508117 9016234 18032468 36064936 72129872
Sum of all divisors σ(n): 145247400
Sum of proper divisors (its aliquot sum) s(n): 73117528
72129872 is an abundant number, because the sum of its proper divisors (73117528) is greater than itself. Its abundance is 987656

Bases of 72129872

Binary: 100010011001001110101010000₂
Hexadecimal: 0x44C9D50
Base-36: 16XZRK

Squares and roots of 72129872

72129872 squared (72129872²) is 5202718434736384
72129872 cubed (72129872³) is 375271414749575731662848
The square root of 72129872 is 8492.9307073589
The cube root of 72129872 is 416.2667482973

Scales and comparisons

How big is 72129872?

72,129,872 seconds is equal to 2 years, 15 weeks, 1 day, 20 hours, 4 minutes, 32 seconds.
To count from 1 to 72,129,872 would take you about three 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 72129872 cubic inches would be around 34.7 feet tall.

Recreational maths with 72129872

72129872 backwards is 27892127
The number of decimal digits it has is: 8
The sum of 72129872's digits is 38
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/72129872/?utm_source=shared">Number 72129872 - 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/72129872/?utm_source=shared]Number 72129872 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 72129872 - Facts about the integer". Numbermatics.com. 2024. Web. 3 May 2024.

APA style:
Numbermatics. (2024). Number 72129872 - Facts about the integer. Retrieved 3 May 2024, from https://numbermatics.com/n/72129872/

Chicago style:
Numbermatics. 2024. "Number 72129872 - Facts about the integer". https://numbermatics.com/n/72129872/

The information we have on file for 72129872 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 72129872, math, Factors of 72129872, curriculum, school, college, exams, university, Prime factorization of 72129872, STEM, science, technology, engineering, physics, economics, calculator, seventy-two million, one hundred twenty-nine thousand, eight hundred seventy-two.