# 2720

## 2,720 is an even composite number composed of three prime numbers multiplied together.

What does the number 2720 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 24 divisors.

2720 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 2720:

### 25 × 5 × 17

(2 × 2 × 2 × 2 × 2 × 5 × 17)

See below for interesting mathematical facts about the number 2720 from the Numbermatics database.

### Names of 2720

• Cardinal: 2720 can be written as Two thousand, seven hundred twenty.

### Scientific notation

• Scientific notation: 2.72 × 103

### Factors of 2720

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24

### Divisors of 2720

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 6804
• Sum of proper divisors (its aliquot sum) s(n): 4084
• 2720 is an abundant number, because the sum of its proper divisors (4084) is greater than itself. Its abundance is 1364

### Bases of 2720

• Binary: 1010101000002
• Base-36: 23K

### Squares and roots of 2720

• 2720 squared (27202) is 7398400
• 2720 cubed (27203) is 20123648000
• The square root of 2720 is 52.1536192417
• The cube root of 2720 is 13.9590640939

### Scales and comparisons

How big is 2720?
• 2,720 seconds is equal to 45 minutes, 20 seconds.
• To count from 1 to 2,720 would take you about forty-five 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 2720 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2720

• 2720 backwards is 0272
• The number of decimal digits it has is: 4
• The sum of 2720's digits is 11
• More coming soon!