# 715

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

What does the number 715 look like?

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

715 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 715:

### 5 × 11 × 13

See below for interesting mathematical facts about the number 715 from the Numbermatics database.

### Names of 715

• Cardinal: 715 can be written as Seven hundred fifteen.

### Scientific notation

• Scientific notation: 7.15 × 102

### Factors of 715

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 29

### Divisors of 715

• 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): 293
• 715 is a deficient number, because the sum of its proper divisors (293) is less than itself. Its deficiency is 422

### Bases of 715

• Binary: 10110010112
• Base-36: JV

### Squares and roots of 715

• 715 squared (7152) is 511225
• 715 cubed (7153) is 365525875
• The square root of 715 is 26.7394839143
• The cube root of 715 is 8.9420140367

### Scales and comparisons

How big is 715?
• 715 seconds is equal to 11 minutes, 55 seconds.
• To count from 1 to 715 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 715 cubic inches would be around 0.7 feet tall.

### Recreational maths with 715

• 715 backwards is 517
• 715 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 715's digits is 13
• More coming soon!