12155

12,155 is an odd composite number composed of four prime numbers multiplied together.

What does the number 12155 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

12155 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 12155:

5 × 11 × 13 × 17

See below for interesting mathematical facts about the number 12155 from the Numbermatics database.

Names of 12155

Cardinal: 12155 can be written as Twelve thousand, one hundred fifty-five.

Scientific notation

Scientific notation: 1.2155 × 10⁴

Factors of 12155

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 46

Divisors of 12155

Number of divisors d(n): 16
Complete list of divisors:
1 5 11 13 17 55 65 85 143 187 221 715 935 1105 2431 12155
Sum of all divisors σ(n): 18144
Sum of proper divisors (its aliquot sum) s(n): 5989
12155 is a deficient number, because the sum of its proper divisors (5989) is less than itself. Its deficiency is 6166

Bases of 12155

Binary: 10111101111011₂
Hexadecimal: 0x2F7B
Base-36: 9DN

Squares and roots of 12155

12155 squared (12155²) is 147744025
12155 cubed (12155³) is 1795828623875
The square root of 12155 is 110.2497165529
The cube root of 12155 is 22.9924360759

Scales and comparisons

How big is 12155?

12,155 seconds is equal to 3 hours, 22 minutes, 35 seconds.
To count from 1 to 12,155 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 12155 cubic inches would be around 1.9 feet tall.

Recreational maths with 12155

12155 backwards is 55121
The number of decimal digits it has is: 5
The sum of 12155's digits is 14
More coming soon!

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The information we have on file for 12155 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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