12390625

12,390,625 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12390625 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 28 divisors.

12390625 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-eight divisors.

Prime factorization of 12390625:

5⁶ × 13 × 61

(5 × 5 × 5 × 5 × 5 × 5 × 13 × 61)

See below for interesting mathematical facts about the number 12390625 from the Numbermatics database.

Names of 12390625

Cardinal: 12390625 can be written as Twelve million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

Scientific notation: 1.2390625 × 10⁷

Factors of 12390625

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 8
Sum of prime factors: 79

Divisors of 12390625

Number of divisors d(n): 28
Complete list of divisors:
1 5 13 25 61 65 125 305 325 625 793 1525 1625 3125 3965 7625 8125 15625 19825 38125 40625 99125 190625 203125 495625 953125 2478125 12390625
Sum of all divisors σ(n): 16952908
Sum of proper divisors (its aliquot sum) s(n): 4562283
12390625 is a deficient number, because the sum of its proper divisors (4562283) is less than itself. Its deficiency is 7828342

Bases of 12390625

Binary: 101111010001000011100001₂
Hexadecimal: 0xBD10E1
Base-36: 7DKO1

Squares and roots of 12390625

12390625 squared (12390625²) is 153527587890625
12390625 cubed (12390625³) is 1902302768707275390625
The square root of 12390625 is 3520.0319600821
The cube root of 12390625 is 231.4005593685

Scales and comparisons

How big is 12390625?

12,390,625 seconds is equal to 20 weeks, 3 days, 9 hours, 50 minutes, 25 seconds.
To count from 1 to 12,390,625 would take you about thirty 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 12390625 cubic inches would be around 19.3 feet tall.

Recreational maths with 12390625

12390625 backwards is 52609321
The number of decimal digits it has is: 8
The sum of 12390625's digits is 28
More coming soon!

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The information we have on file for 12390625 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!

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