13237728

13,237,728 is an even composite number composed of four prime numbers multiplied together.

What does the number 13237728 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

13237728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 13237728:

2⁵ × 3 × 7 × 19699

(2 × 2 × 2 × 2 × 2 × 3 × 7 × 19699)

See below for interesting mathematical facts about the number 13237728 from the Numbermatics database.

Names of 13237728

Cardinal: 13237728 can be written as Thirteen million, two hundred thirty-seven thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.3237728 × 10⁷

Factors of 13237728

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 19711

Divisors of 13237728

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 19699 39398 59097 78796 118194 137893 157592 236388 275786 315184 413679 472776 551572 630368 827358 945552 1103144 1654716 1891104 2206288 3309432 4412576 6618864 13237728
Sum of all divisors σ(n): 39715200
Sum of proper divisors (its aliquot sum) s(n): 26477472
13237728 is an abundant number, because the sum of its proper divisors (26477472) is greater than itself. Its abundance is 13239744

Bases of 13237728

Binary: 110010011111110111100000₂
Hexadecimal: 0xC9FDE0
Base-36: 7VQAO

Squares and roots of 13237728

13237728 squared (13237728²) is 175237442601984
13237728 cubed (13237728³) is 2319745600580676452352
The square root of 13237728 is 3638.3688653021
The cube root of 13237728 is 236.5580969539

Scales and comparisons

How big is 13237728?

13,237,728 seconds is equal to 21 weeks, 6 days, 5 hours, 8 minutes, 48 seconds.
To count from 1 to 13,237,728 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 13237728 cubic inches would be around 19.7 feet tall.

Recreational maths with 13237728

13237728 backwards is 82773231
The number of decimal digits it has is: 8
The sum of 13237728's digits is 33
More coming soon!

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The information we have on file for 13237728 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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