# 849

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

What does the number 849 look like?

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

849 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 849:

### 3 × 283

See below for interesting mathematical facts about the number 849 from the Numbermatics database.

### Names of 849

• Cardinal: 849 can be written as Eight hundred forty-nine.

### Scientific notation

• Scientific notation: 8.49 × 102

### Factors of 849

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 286

### Divisors of 849

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1136
• Sum of proper divisors (its aliquot sum) s(n): 287
• 849 is a deficient number, because the sum of its proper divisors (287) is less than itself. Its deficiency is 562

### Bases of 849

• Binary: 11010100012
• Base-36: NL

### Squares and roots of 849

• 849 squared (8492) is 720801
• 849 cubed (8493) is 611960049
• The square root of 849 is 29.1376045687
• The cube root of 849 is 9.4689661367

### Scales and comparisons

How big is 849?
• 849 seconds is equal to 14 minutes, 9 seconds.
• To count from 1 to 849 would take you about seven 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 849 cubic inches would be around 0.8 feet tall.

### Recreational maths with 849

• 849 backwards is 948
• The number of decimal digits it has is: 3
• The sum of 849's digits is 21
• More coming soon!