# 6720

## 6,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 6720 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

6720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

## Prime factorization of 6720:

### 26 × 3 × 5 × 7

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7)

See below for interesting mathematical facts about the number 6720 from the Numbermatics database.

### Names of 6720

• Cardinal: 6720 can be written as Six thousand, seven hundred twenty.

### Scientific notation

• Scientific notation: 6.72 × 103

### Factors of 6720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17

### Divisors of 6720

• Number of divisors d(n): 56
• Complete list of divisors:
• Sum of all divisors σ(n): 24384
• Sum of proper divisors (its aliquot sum) s(n): 17664
• 6720 is an abundant number, because the sum of its proper divisors (17664) is greater than itself. Its abundance is 10944

### Bases of 6720

• Binary: 11010010000002
• Base-36: 56O

### Squares and roots of 6720

• 6720 squared (67202) is 45158400
• 6720 cubed (67203) is 303464448000
• The square root of 6720 is 81.9756061277
• The cube root of 6720 is 18.8707759213

### Scales and comparisons

How big is 6720?
• 6,720 seconds is equal to 52 minutes.
• To count from 1 to 6,720 would take you about fifty-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 6720 cubic inches would be around 1.6 feet tall.

### Recreational maths with 6720

• 6720 backwards is 0276
• 6720 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 6720's digits is 15
• More coming soon!