# 18045

## 18,045 is an odd composite number composed of three prime numbers multiplied together.

What does the number 18045 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

18045 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 18045:

### 32 × 5 × 401

(3 × 3 × 5 × 401)

See below for interesting mathematical facts about the number 18045 from the Numbermatics database.

### Names of 18045

• Cardinal: 18045 can be written as Eighteen thousand and forty-five.

### Scientific notation

• Scientific notation: 1.8045 × 104

### Factors of 18045

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 409

### Divisors of 18045

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 31356
• Sum of proper divisors (its aliquot sum) s(n): 13311
• 18045 is a deficient number, because the sum of its proper divisors (13311) is less than itself. Its deficiency is 4734

### Bases of 18045

• Binary: 1000110011111012
• Base-36: DX9

### Squares and roots of 18045

• 18045 squared (180452) is 325622025
• 18045 cubed (180453) is 5875849441125
• The square root of 18045 is 134.3316790635
• The cube root of 18045 is 26.2292352793

### Scales and comparisons

How big is 18045?
• 18,045 seconds is equal to 5 hours, 45 seconds.
• To count from 1 to 18,045 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 18045 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18045

• 18045 backwards is 54081
• The number of decimal digits it has is: 5
• The sum of 18045's digits is 18
• More coming soon!