# 615

## 615 is an odd composite number composed of three prime numbers multiplied together.

What does the number 615 look like?

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

615 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 615:

### 3 × 5 × 41

See below for interesting mathematical facts about the number 615 from the Numbermatics database.

### Names of 615

• Cardinal: 615 can be written as Six hundred fifteen.

### Scientific notation

• Scientific notation: 6.15 × 102

### Factors of 615

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 49

### Divisors of 615

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1008
• Sum of proper divisors (its aliquot sum) s(n): 393
• 615 is a deficient number, because the sum of its proper divisors (393) is less than itself. Its deficiency is 222

### Bases of 615

• Binary: 10011001112
• Base-36: H3

### Squares and roots of 615

• 615 squared (6152) is 378225
• 615 cubed (6153) is 232608375
• The square root of 615 is 24.7991935353
• The cube root of 615 is 8.5040349931

### Scales and comparisons

How big is 615?
• 615 seconds is equal to 10 minutes, 15 seconds.
• To count from 1 to 615 would take you about five 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 615 cubic inches would be around 0.7 feet tall.

### Recreational maths with 615

• 615 backwards is 516
• The number of decimal digits it has is: 3
• The sum of 615's digits is 12
• More coming soon!