15625
15,625 is an odd composite number. It is composed of a single prime number multiplied by itself five times.
15625 is an odd composite number. It is composed of one distinct prime number multiplied by itself five times. It has a total of seven divisors.
Prime factorization of 15625:
5^{6}
(5 × 5 × 5 × 5 × 5 × 5)See below for interesting mathematical facts about the number 15625 from the Numbermatics database.
Names of 15625
 Cardinal: 15625 can be written as Fifteen thousand, six hundred twentyfive.
Scientific notation
 Scientific notation: 1.5625 × 10^{4}
Factors of 15625
Divisors of 15625
Bases of 15625
 Binary: 11110100001001_{2}
 Hexadecimal: 0x3D09
 Base36: C21
Squares and roots of 15625
 15625 squared (15625^{2}) is 244140625
 15625 cubed (15625^{3}) is 3814697265625

15625 is a
perfect square number . Itssquare root is 125 
15625 is a
perfect cube number . Itscube root is 25  Being both a perfect square and a perfect cube, 15625 is also a
perfect sixth number .
Scales and comparisons
How big is 15625? 15,625 seconds is equal to 4 hours, 20 minutes, 25 seconds.

To count from 1 to 15,625 would take you about four hours.
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 randomlychosen 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 15625 cubic inches would be around 2.1 feet tall.
Recreational maths with 15625
Link to this page
HTML: To link to this page, just copy and paste the link below into your blog, web page or email.
BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:
Cite this page
MLA style:
"Number 15625  Facts about the integer". Numbermatics.com. 2021. Web. 18 September 2021.
APA style:
Numbermatics. (2021). Number 15625  Facts about the integer. Retrieved 18 September 2021, from https://numbermatics.com/n/15625/
Chicago style:
Numbermatics. 2021. "Number 15625  Facts about the integer". https://numbermatics.com/n/15625/
The information we have on file for 15625 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 15625, math, Factors of 15625, curriculum, school, college, exams, university, Prime factorization of 15625, STEM, science, technology, engineering, physics, economics, calculator, fifteen thousand, six hundred twentyfive.