# 1320

## 1,320 is an even composite number composed of four prime numbers multiplied together.

What does the number 1320 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

1320 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

## Prime factorization of 1320:

### 23 × 3 × 5 × 11

(2 × 2 × 2 × 3 × 5 × 11)

See below for interesting mathematical facts about the number 1320 from the Numbermatics database.

### Names of 1320

• Cardinal: 1320 can be written as One thousand, three hundred twenty.

### Scientific notation

• Scientific notation: 1.32 × 103

### Factors of 1320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 21

### Divisors of 1320

• Number of divisors d(n): 32
• Complete list of divisors:
• Sum of all divisors σ(n): 4320
• Sum of proper divisors (its aliquot sum) s(n): 3000
• 1320 is an abundant number, because the sum of its proper divisors (3000) is greater than itself. Its abundance is 1680

### Bases of 1320

• Binary: 101001010002
• Base-36: 10O

### Squares and roots of 1320

• 1320 squared (13202) is 1742400
• 1320 cubed (13203) is 2299968000
• The square root of 1320 is 36.3318042491
• The cube root of 1320 is 10.9696131049

### Scales and comparisons

How big is 1320?
• 1,320 seconds is equal to 22 minutes.
• To count from 1 to 1,320 would take you about twenty-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 1320 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1320

• 1320 backwards is 0231
• 1320 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1320's digits is 6
• More coming soon!

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