# 18015

## 18,015 is an odd composite number composed of three prime numbers multiplied together.

What does the number 18015 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

18015 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 18015:

### 3 × 5 × 1201

See below for interesting mathematical facts about the number 18015 from the Numbermatics database.

### Names of 18015

• Cardinal: 18015 can be written as Eighteen thousand and fifteen.

### Scientific notation

• Scientific notation: 1.8015 × 104

### Factors of 18015

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1209

### Divisors of 18015

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 28848
• Sum of proper divisors (its aliquot sum) s(n): 10833
• 18015 is a deficient number, because the sum of its proper divisors (10833) is less than itself. Its deficiency is 7182

### Bases of 18015

• Binary: 1000110010111112
• Base-36: DWF

### Squares and roots of 18015

• 18015 squared (180152) is 324540225
• 18015 cubed (180153) is 5846592153375
• The square root of 18015 is 134.2199687081
• The cube root of 18015 is 26.2146917579

### Scales and comparisons

How big is 18015?
• 18,015 seconds is equal to 5 hours, 15 seconds.
• To count from 1 to 18,015 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 18015 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18015

• 18015 backwards is 51081
• 18015 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 18015's digits is 15
• More coming soon!