155961

155,961 is an odd composite number composed of four prime numbers multiplied together.

What does the number 155961 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

155961 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 155961:

3² × 13 × 31 × 43

(3 × 3 × 13 × 31 × 43)

See below for interesting mathematical facts about the number 155961 from the Numbermatics database.

Names of 155961

Cardinal: 155961 can be written as One hundred fifty-five thousand, nine hundred sixty-one.

Scientific notation

Scientific notation: 1.55961 × 10⁵

Factors of 155961

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 90

Divisors of 155961

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 13 31 39 43 93 117 129 279 387 403 559 1209 1333 1677 3627 3999 5031 11997 17329 51987 155961
Sum of all divisors σ(n): 256256
Sum of proper divisors (its aliquot sum) s(n): 100295
155961 is a deficient number, because the sum of its proper divisors (100295) is less than itself. Its deficiency is 55666

Bases of 155961

Binary: 100110000100111001₂
Hexadecimal: 0x26139
Base-36: 3CC9

Squares and roots of 155961

155961 squared (155961²) is 24323833521
155961 cubed (155961³) is 3793569399768681
The square root of 155961 is 394.9189790325
The cube root of 155961 is 53.8276397363

Scales and comparisons

How big is 155961?

155,961 seconds is equal to 1 day, 19 hours, 19 minutes, 21 seconds.
To count from 1 to 155,961 would take you about nineteen 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 155961 cubic inches would be around 4.5 feet tall.

Recreational maths with 155961

155961 backwards is 169551
The number of decimal digits it has is: 6
The sum of 155961's digits is 27
More coming soon!

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The information we have on file for 155961 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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