# 705

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

What does the number 705 look like?

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

705 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 705:

### 3 × 5 × 47

See below for interesting mathematical facts about the number 705 from the Numbermatics database.

### Names of 705

• Cardinal: 705 can be written as Seven hundred five.

### Scientific notation

• Scientific notation: 7.05 × 102

### Factors of 705

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 55

### Divisors of 705

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1152
• Sum of proper divisors (its aliquot sum) s(n): 447
• 705 is a deficient number, because the sum of its proper divisors (447) is less than itself. Its deficiency is 258

### Bases of 705

• Binary: 10110000012
• Base-36: JL

### Squares and roots of 705

• 705 squared (7052) is 497025
• 705 cubed (7053) is 350402625
• The square root of 705 is 26.5518360947
• The cube root of 705 is 8.9001304529

### Scales and comparisons

How big is 705?
• 705 seconds is equal to 11 minutes, 45 seconds.
• To count from 1 to 705 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 705 cubic inches would be around 0.7 feet tall.

### Recreational maths with 705

• 705 backwards is 507
• The number of decimal digits it has is: 3
• The sum of 705's digits is 12
• More coming soon!