120991

120,991 is an odd composite number composed of three prime numbers multiplied together.

What does the number 120991 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

120991 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 120991:

13 × 41 × 227

See below for interesting mathematical facts about the number 120991 from the Numbermatics database.

Names of 120991

Cardinal: 120991 can be written as One hundred twenty thousand, nine hundred ninety-one.

Scientific notation

Scientific notation: 1.20991 × 10⁵

Factors of 120991

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 281

Divisors of 120991

Number of divisors d(n): 8
Complete list of divisors:
1 13 41 227 533 2951 9307 120991
Sum of all divisors σ(n): 134064
Sum of proper divisors (its aliquot sum) s(n): 13073
120991 is a deficient number, because the sum of its proper divisors (13073) is less than itself. Its deficiency is 107918

Bases of 120991

Binary: 11101100010011111₂
Hexadecimal: 0x1D89F
Base-36: 2LCV

Squares and roots of 120991

120991 squared (120991²) is 14638822081
120991 cubed (120991³) is 1771165722402271
The square root of 120991 is 347.8376057875
The cube root of 120991 is 49.4596480995

Scales and comparisons

How big is 120991?

120,991 seconds is equal to 1 day, 9 hours, 36 minutes, 31 seconds.
To count from 1 to 120,991 would take you about nine 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 120991 cubic inches would be around 4.1 feet tall.

Recreational maths with 120991

120991 backwards is 199021
The number of decimal digits it has is: 6
The sum of 120991's digits is 22
More coming soon!

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The information we have on file for 120991 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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