# 985

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

What does the number 985 look like?

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

985 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 985:

### 5 × 197

See below for interesting mathematical facts about the number 985 from the Numbermatics database.

### Names of 985

• Cardinal: 985 can be written as Nine hundred eighty-five.

### Scientific notation

• Scientific notation: 9.85 × 102

### Factors of 985

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 202

### Divisors of 985

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1188
• Sum of proper divisors (its aliquot sum) s(n): 203
• 985 is a deficient number, because the sum of its proper divisors (203) is less than itself. Its deficiency is 782

### Bases of 985

• Binary: 11110110012
• Base-36: RD

### Squares and roots of 985

• 985 squared (9852) is 970225
• 985 cubed (9853) is 955671625
• The square root of 985 is 31.3847096529
• The cube root of 985 is 9.9497478957

### Scales and comparisons

How big is 985?
• 985 seconds is equal to 16 minutes, 25 seconds.
• To count from 1 to 985 would take you about eight 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 985 cubic inches would be around 0.8 feet tall.

### Recreational maths with 985

• 985 backwards is 589
• The number of decimal digits it has is: 3
• The sum of 985's digits is 22
• More coming soon!