13115221

13,115,221 is an odd composite number composed of four prime numbers multiplied together.

What does the number 13115221 look like?

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

13115221 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 13115221:

7 × 23 × 29 × 53²

(7 × 23 × 29 × 53 × 53)

See below for interesting mathematical facts about the number 13115221 from the Numbermatics database.

Names of 13115221

Cardinal: 13115221 can be written as Thirteen million, one hundred fifteen thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.3115221 × 10⁷

Factors of 13115221

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 112

Divisors of 13115221

Number of divisors d(n): 24
Complete list of divisors:
1 7 23 29 53 161 203 371 667 1219 1537 2809 4669 8533 10759 19663 35351 64607 81461 247457 452249 570227 1873603 13115221
Sum of all divisors σ(n): 16490880
Sum of proper divisors (its aliquot sum) s(n): 3375659
13115221 is a deficient number, because the sum of its proper divisors (3375659) is less than itself. Its deficiency is 9739562

Bases of 13115221

Binary: 110010000001111101010101₂
Hexadecimal: 0xC81F55
Base-36: 7T3RP

Squares and roots of 13115221

13115221 squared (13115221²) is 172009021878841
13115221 cubed (13115221³) is 2255936335934834938861
The square root of 13115221 is 3621.4943048417
The cube root of 13115221 is 235.8261011849

Scales and comparisons

How big is 13115221?

13,115,221 seconds is equal to 21 weeks, 4 days, 19 hours, 7 minutes, 1 second.
To count from 1 to 13,115,221 would take you about thirty-two 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 13115221 cubic inches would be around 19.7 feet tall.

Recreational maths with 13115221

13115221 backwards is 12251131
The number of decimal digits it has is: 8
The sum of 13115221's digits is 16
More coming soon!

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The information we have on file for 13115221 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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