11728

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

What does the number 11728 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 10 divisors.

11728 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of ten divisors.

Prime factorization of 11728:

2⁴ × 733

(2 × 2 × 2 × 2 × 733)

See below for interesting mathematical facts about the number 11728 from the Numbermatics database.

Names of 11728

Cardinal: 11728 can be written as Eleven thousand, seven hundred twenty-eight.

Scientific notation

Scientific notation: 1.1728 × 10⁴

Factors of 11728

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 5
Sum of prime factors: 735

Divisors of 11728

Number of divisors d(n): 10
Complete list of divisors:
1 2 4 8 16 733 1466 2932 5864 11728
Sum of all divisors σ(n): 22754
Sum of proper divisors (its aliquot sum) s(n): 11026
11728 is a deficient number, because the sum of its proper divisors (11026) is less than itself. Its deficiency is 702

Bases of 11728

Binary: 10110111010000₂
Hexadecimal: 0x2DD0
Base-36: 91S

Squares and roots of 11728

11728 squared (11728²) is 137545984
11728 cubed (11728³) is 1613139300352
The square root of 11728 is 108.2958909655
The cube root of 11728 is 22.7199821463

Scales and comparisons

How big is 11728?

11,728 seconds is equal to 3 hours, 15 minutes, 28 seconds.
To count from 1 to 11,728 would take you about three hours.

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 11728 cubic inches would be around 1.9 feet tall.

Recreational maths with 11728

11728 backwards is 82711
The number of decimal digits it has is: 5
The sum of 11728's digits is 19
More coming soon!

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The information we have on file for 11728 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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