# 2189

## 2,189 is an odd composite number composed of two prime numbers multiplied together.

What does the number 2189 look like?

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

2189 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 2189:

### 11 × 199

See below for interesting mathematical facts about the number 2189 from the Numbermatics database.

### Names of 2189

• Cardinal: 2189 can be written as Two thousand, one hundred eighty-nine.

### Scientific notation

• Scientific notation: 2.189 × 103

### Factors of 2189

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 210

### Divisors of 2189

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 2400
• Sum of proper divisors (its aliquot sum) s(n): 211
• 2189 is a deficient number, because the sum of its proper divisors (211) is less than itself. Its deficiency is 1978

### Bases of 2189

• Binary: 1000100011012
• Base-36: 1OT

### Squares and roots of 2189

• 2189 squared (21892) is 4791721
• 2189 cubed (21893) is 10489077269
• The square root of 2189 is 46.7867502611
• The cube root of 2189 is 12.9842017161

### Scales and comparisons

How big is 2189?
• 2,189 seconds is equal to 36 minutes, 29 seconds.
• To count from 1 to 2,189 would take you about thirty-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 2189 cubic inches would be around 1.1 feet tall.

### Recreational maths with 2189

• 2189 backwards is 9812
• The number of decimal digits it has is: 4
• The sum of 2189's digits is 20
• More coming soon!