# 3240

## 3,240 is an even composite number composed of three prime numbers multiplied together.

What does the number 3240 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 40 divisors.

3240 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 3240:

### 23 × 34 × 5

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5)

See below for interesting mathematical facts about the number 3240 from the Numbermatics database.

### Names of 3240

• Cardinal: 3240 can be written as Three thousand, two hundred forty.

### Scientific notation

• Scientific notation: 3.24 × 103

### Factors of 3240

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10

### Divisors of 3240

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 10890
• Sum of proper divisors (its aliquot sum) s(n): 7650
• 3240 is an abundant number, because the sum of its proper divisors (7650) is greater than itself. Its abundance is 4410

### Bases of 3240

• Binary: 1100101010002
• Base-36: 2I0

### Squares and roots of 3240

• 3240 squared (32402) is 10497600
• 3240 cubed (32403) is 34012224000
• The square root of 3240 is 56.9209978831
• The cube root of 3240 is 14.7972724459

### Scales and comparisons

How big is 3240?
• 3,240 seconds is equal to 54 minutes.
• To count from 1 to 3,240 would take you about fifty-four 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 3240 cubic inches would be around 1.2 feet tall.

### Recreational maths with 3240

• 3240 backwards is 0423
• 3240 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 3240's digits is 9
• More coming soon!