13438720

13,438,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 13438720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 36 divisors.

13438720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 13438720:

2⁸ × 5 × 10499

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 10499)

See below for interesting mathematical facts about the number 13438720 from the Numbermatics database.

Names of 13438720

Cardinal: 13438720 can be written as Thirteen million, four hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

Scientific notation: 1.343872 × 10⁷

Factors of 13438720

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 10
Sum of prime factors: 10506

Divisors of 13438720

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 10499 20998 41996 52495 83992 104990 167984 209980 335968 419960 671936 839920 1343872 1679840 2687744 3359680 6719360 13438720
Sum of all divisors σ(n): 32193000
Sum of proper divisors (its aliquot sum) s(n): 18754280
13438720 is an abundant number, because the sum of its proper divisors (18754280) is greater than itself. Its abundance is 5315560

Bases of 13438720

Binary: 110011010000111100000000₂
Hexadecimal: 0xCD0F00
Base-36: 801DS

Squares and roots of 13438720

13438720 squared (13438720²) is 180599195238400
13438720 cubed (13438720³) is 2427022017034190848000
The square root of 13438720 is 3665.8859774957
The cube root of 13438720 is 237.7493300335

Scales and comparisons

How big is 13438720?

13,438,720 seconds is equal to 22 weeks, 1 day, 12 hours, 58 minutes, 40 seconds.
To count from 1 to 13,438,720 would take you about thirty-three 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 13438720 cubic inches would be around 19.8 feet tall.

Recreational maths with 13438720

13438720 backwards is 02783431
The number of decimal digits it has is: 8
The sum of 13438720's digits is 28
More coming soon!

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The information we have on file for 13438720 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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