120

120 is an even composite number composed of three prime numbers multiplied together.

What does the number 120 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 16 divisors.

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

Prime factorization of 120:

2³ × 3 × 5

(2 × 2 × 2 × 3 × 5)

See below for interesting mathematical facts about the number 120 from the Numbermatics database.

Names of 120

Cardinal: 120 can be written as One hundred twenty.

Scientific notation

Scientific notation: 1.2 × 10²

Factors of 120

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 5
Sum of prime factors: 10

Divisors of 120

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120
Sum of all divisors σ(n): 360
Sum of proper divisors (its aliquot sum) s(n): 240
120 is an abundant number, because the sum of its proper divisors (240) is greater than itself. Its abundance is 120

Bases of 120

Binary: 1111000₂
Hexadecimal: 0x78
Base-36: 3C

Squares and roots of 120

120 squared (120²) is 14400
120 cubed (120³) is 1728000
The square root of 120 is 10.9544511501
The cube root of 120 is 4.9324241487

Scales and comparisons

How big is 120?

120 seconds is equal to 2 minutes.
To count from 1 to 120 would take you about .

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 120 cubic inches would be around 0.4 feet tall.

Recreational maths with 120

120 backwards is 021
120 is a Harshad number.
The number of decimal digits it has is: 3
The sum of 120's digits is 3
More coming soon!

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The information we have on file for 120 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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