# 18480

## 18,480 is an even composite number composed of five prime numbers multiplied together.

What does the number 18480 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 80 divisors.

18480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.

## Prime factorization of 18480:

### 24 × 3 × 5 × 7 × 11

(2 × 2 × 2 × 2 × 3 × 5 × 7 × 11)

See below for interesting mathematical facts about the number 18480 from the Numbermatics database.

### Names of 18480

• Cardinal: 18480 can be written as Eighteen thousand, four hundred eighty.

### Scientific notation

• Scientific notation: 1.848 × 104

### Factors of 18480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28

### Divisors of 18480

• Number of divisors d(n): 80
• Complete list of divisors:
• Sum of all divisors σ(n): 71424
• Sum of proper divisors (its aliquot sum) s(n): 52944
• 18480 is an abundant number, because the sum of its proper divisors (52944) is greater than itself. Its abundance is 34464

### Bases of 18480

• Binary: 1001000001100002
• Base-36: E9C

### Squares and roots of 18480

• 18480 squared (184802) is 341510400
• 18480 cubed (184803) is 6311112192000
• The square root of 18480 is 135.9411637437
• The cube root of 18480 is 26.4383281655

### Scales and comparisons

How big is 18480?
• 18,480 seconds is equal to 5 hours, 8 minutes.
• To count from 1 to 18,480 would take you about five hours.

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 18480 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18480

• 18480 backwards is 08481
• 18480 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 18480's digits is 21
• More coming soon!