240

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

What does the number 240 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

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

Prime factorization of 240:

2⁴ × 3 × 5

(2 × 2 × 2 × 2 × 3 × 5)

See below for interesting mathematical facts about the number 240 from the Numbermatics database.

Names of 240

Cardinal: 240 can be written as Two hundred forty.

Scientific notation

Scientific notation: 2.4 × 10²

Factors of 240

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 10

Divisors of 240

Number of divisors d(n): 20
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240
Sum of all divisors σ(n): 744
Sum of proper divisors (its aliquot sum) s(n): 504
240 is an abundant number, because the sum of its proper divisors (504) is greater than itself. Its abundance is 264

Bases of 240

Binary: 11110000₂
Hexadecimal: 0xF0
Base-36: 6O

Squares and roots of 240

240 squared (240²) is 57600
240 cubed (240³) is 13824000
The square root of 240 is 15.4919333849
The cube root of 240 is 6.2144650119

Scales and comparisons

How big is 240?

240 seconds is equal to 4 minutes.
To count from 1 to 240 would take you about two minutes.

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 240 cubic inches would be around 0.5 feet tall.

Recreational maths with 240

240 backwards is 042
240 is a Harshad number.
The number of decimal digits it has is: 3
The sum of 240's digits is 6
More coming soon!

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The information we have on file for 240 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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