11728720

11,728,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 11728720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

11728720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 11728720:

2⁴ × 5 × 146609

(2 × 2 × 2 × 2 × 5 × 146609)

See below for interesting mathematical facts about the number 11728720 from the Numbermatics database.

Names of 11728720

Cardinal: 11728720 can be written as Eleven million, seven hundred twenty-eight thousand, seven hundred twenty.

Scientific notation

Scientific notation: 1.172872 × 10⁷

Factors of 11728720

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 146616

Divisors of 11728720

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 146609 293218 586436 733045 1172872 1466090 2345744 2932180 5864360 11728720
Sum of all divisors σ(n): 27269460
Sum of proper divisors (its aliquot sum) s(n): 15540740
11728720 is an abundant number, because the sum of its proper divisors (15540740) is greater than itself. Its abundance is 3812020

Bases of 11728720

Binary: 101100101111011101010000₂
Hexadecimal: 0xB2F750
Base-36: 6ZDXS

Squares and roots of 11728720

11728720 squared (11728720²) is 137562872838400
11728720 cubed (11728720³) is 1613436417917198848000
The square root of 11728720 is 3424.7218865187
The cube root of 11728720 is 227.2044707511

Scales and comparisons

How big is 11728720?

11,728,720 seconds is equal to 19 weeks, 2 days, 17 hours, 58 minutes, 40 seconds.
To count from 1 to 11,728,720 would take you about twenty-nine 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 11728720 cubic inches would be around 18.9 feet tall.

Recreational maths with 11728720

11728720 backwards is 02782711
The number of decimal digits it has is: 8
The sum of 11728720's digits is 28
More coming soon!

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The information we have on file for 11728720 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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