12815215

12,815,215 is an odd composite number composed of four prime numbers multiplied together.

What does the number 12815215 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

12815215 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 12815215:

5 × 7² × 19 × 2753

(5 × 7 × 7 × 19 × 2753)

See below for interesting mathematical facts about the number 12815215 from the Numbermatics database.

Names of 12815215

Cardinal: 12815215 can be written as Twelve million, eight hundred fifteen thousand, two hundred fifteen.

Scientific notation

Scientific notation: 1.2815215 × 10⁷

Factors of 12815215

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 2784

Divisors of 12815215

Number of divisors d(n): 24
Complete list of divisors:
1 5 7 19 35 49 95 133 245 665 931 2753 4655 13765 19271 52307 96355 134897 261535 366149 674485 1830745 2563043 12815215
Sum of all divisors σ(n): 18837360
Sum of proper divisors (its aliquot sum) s(n): 6022145
12815215 is a deficient number, because the sum of its proper divisors (6022145) is less than itself. Its deficiency is 6793070

Bases of 12815215

Binary: 110000111000101101101111₂
Hexadecimal: 0xC38B6F
Base-36: 7MOA7

Squares and roots of 12815215

12815215 squared (12815215²) is 164229735496225
12815215 cubed (12815215³) is 2104639369777255063375
The square root of 12815215 is 3579.8344933809
The cube root of 12815215 is 234.0140676277

Scales and comparisons

How big is 12815215?

12,815,215 seconds is equal to 21 weeks, 1 day, 7 hours, 46 minutes, 55 seconds.
To count from 1 to 12,815,215 would take you about thirty-one 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 12815215 cubic inches would be around 19.5 feet tall.

Recreational maths with 12815215

12815215 backwards is 51251821
The number of decimal digits it has is: 8
The sum of 12815215's digits is 25
More coming soon!

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The information we have on file for 12815215 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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