15916

15,916 is an even composite number composed of three prime numbers multiplied together.

What does the number 15916 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

15916 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 15916:

2² × 23 × 173

(2 × 2 × 23 × 173)

See below for interesting mathematical facts about the number 15916 from the Numbermatics database.

Names of 15916

Cardinal: 15916 can be written as Fifteen thousand, nine hundred sixteen.

Scientific notation

Scientific notation: 1.5916 × 10⁴

Factors of 15916

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 198

Divisors of 15916

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 23 46 92 173 346 692 3979 7958 15916
Sum of all divisors σ(n): 29232
Sum of proper divisors (its aliquot sum) s(n): 13316
15916 is a deficient number, because the sum of its proper divisors (13316) is less than itself. Its deficiency is 2600

Bases of 15916

Binary: 11111000101100₂
Hexadecimal: 0x3E2C
Base-36: CA4

Squares and roots of 15916

15916 squared (15916²) is 253319056
15916 cubed (15916³) is 4031826095296
The square root of 15916 is 126.1586303033
The cube root of 15916 is 25.1542463651

Scales and comparisons

How big is 15916?

15,916 seconds is equal to 4 hours, 25 minutes, 16 seconds.
To count from 1 to 15,916 would take you about four 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 15916 cubic inches would be around 2.1 feet tall.

Recreational maths with 15916

15916 backwards is 61951
The number of decimal digits it has is: 5
The sum of 15916's digits is 22
More coming soon!

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The information we have on file for 15916 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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