# 2986

## 2,986 is an even composite number composed of two prime numbers multiplied together.

What does the number 2986 look like?

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

2986 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 2986:

### 2 × 1493

See below for interesting mathematical facts about the number 2986 from the Numbermatics database.

### Names of 2986

• Cardinal: 2986 can be written as Two thousand, nine hundred eighty-six.

### Scientific notation

• Scientific notation: 2.986 × 103

### Factors of 2986

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1495

### Divisors of 2986

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 4482
• Sum of proper divisors (its aliquot sum) s(n): 1496
• 2986 is a deficient number, because the sum of its proper divisors (1496) is less than itself. Its deficiency is 1490

### Bases of 2986

• Binary: 1011101010102
• Base-36: 2AY

### Squares and roots of 2986

• 2986 squared (29862) is 8916196
• 2986 cubed (29863) is 26623761256
• The square root of 2986 is 54.6443043693
• The cube root of 2986 is 14.4000257203

### Scales and comparisons

How big is 2986?
• 2,986 seconds is equal to 49 minutes, 46 seconds.
• To count from 1 to 2,986 would take you about forty-nine 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 2986 cubic inches would be around 1.2 feet tall.

### Recreational maths with 2986

• 2986 backwards is 6892
• The number of decimal digits it has is: 4
• The sum of 2986's digits is 25
• More coming soon!