# 2520

## 2,520 is an even composite number composed of four prime numbers multiplied together.

What does the number 2520 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

2520 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 2520:

### 23 × 32 × 5 × 7

(2 × 2 × 2 × 3 × 3 × 5 × 7)

See below for interesting mathematical facts about the number 2520 from the Numbermatics database.

### Names of 2520

• Cardinal: 2520 can be written as Two thousand, five hundred twenty.

### Scientific notation

• Scientific notation: 2.52 × 103

### Factors of 2520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17

### Divisors of 2520

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 9360
• Sum of proper divisors (its aliquot sum) s(n): 6840
• 2520 is an abundant number, because the sum of its proper divisors (6840) is greater than itself. Its abundance is 4320

### Bases of 2520

• Binary: 1001110110002
• Base-36: 1Y0

### Squares and roots of 2520

• 2520 squared (25202) is 6350400
• 2520 cubed (25203) is 16003008000
• The square root of 2520 is 50.1996015921
• The cube root of 2520 is 13.6081842319

### Scales and comparisons

How big is 2520?
• 2,520 seconds is equal to 42 minutes.
• To count from 1 to 2,520 would take you about forty-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 2520 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2520

• 2520 backwards is 0252
• 2520 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 2520's digits is 9
• More coming soon!