# 799

## 799 is an odd composite number composed of two prime numbers multiplied together.

What does the number 799 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

799 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 799:

### 17 × 47

See below for interesting mathematical facts about the number 799 from the Numbermatics database.

### Names of 799

• Cardinal: 799 can be written as Seven hundred ninety-nine.

### Scientific notation

• Scientific notation: 7.99 × 102

### Factors of 799

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 64

### Divisors of 799

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 864
• Sum of proper divisors (its aliquot sum) s(n): 65
• 799 is a deficient number, because the sum of its proper divisors (65) is less than itself. Its deficiency is 734

### Bases of 799

• Binary: 11000111112
• Base-36: M7

### Squares and roots of 799

• 799 squared (7992) is 638401
• 799 cubed (7993) is 510082399
• The square root of 799 is 28.2665880503
• The cube root of 799 is 9.2793080637

### Scales and comparisons

How big is 799?
• 799 seconds is equal to 13 minutes, 19 seconds.
• To count from 1 to 799 would take you about six 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 799 cubic inches would be around 0.8 feet tall.

### Recreational maths with 799

• 799 backwards is 997
• The number of decimal digits it has is: 3
• The sum of 799's digits is 25
• More coming soon!