# 12985

## 12,985 is an odd composite number composed of three prime numbers multiplied together.

What does the number 12985 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

12985 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 12985:

### 5 × 72 × 53

(5 × 7 × 7 × 53)

See below for interesting mathematical facts about the number 12985 from the Numbermatics database.

### Names of 12985

• Cardinal: 12985 can be written as Twelve thousand, nine hundred eighty-five.

### Scientific notation

• Scientific notation: 1.2985 × 104

### Factors of 12985

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 65

### Divisors of 12985

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 18468
• Sum of proper divisors (its aliquot sum) s(n): 5483
• 12985 is a deficient number, because the sum of its proper divisors (5483) is less than itself. Its deficiency is 7502

### Bases of 12985

• Binary: 110010101110012
• Base-36: A0P

### Squares and roots of 12985

• 12985 squared (129852) is 168610225
• 12985 cubed (129853) is 2189403771625
• The square root of 12985 is 113.9517441727
• The cube root of 12985 is 23.5042998017

### Scales and comparisons

How big is 12985?
• 12,985 seconds is equal to 3 hours, 36 minutes, 25 seconds.
• To count from 1 to 12,985 would take you about three hours.

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 12985 cubic inches would be around 2 feet tall.

### Recreational maths with 12985

• 12985 backwards is 58921
• The number of decimal digits it has is: 5
• The sum of 12985's digits is 25
• More coming soon!

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below: