# 1089

## 1,089 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1089 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

1089 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 1089:

### 32 × 112

(3 × 3 × 11 × 11)

See below for interesting mathematical facts about the number 1089 from the Numbermatics database.

### Names of 1089

• Cardinal: 1089 can be written as One thousand and eighty-nine.

### Scientific notation

• Scientific notation: 1.089 × 103

### Factors of 1089

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 14

### Divisors of 1089

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 1729
• Sum of proper divisors (its aliquot sum) s(n): 640
• 1089 is a deficient number, because the sum of its proper divisors (640) is less than itself. Its deficiency is 449

### Bases of 1089

• Binary: 100010000012
• Base-36: U9

### Squares and roots of 1089

• 1089 squared (10892) is 1185921
• 1089 cubed (10893) is 1291467969
• 1089 is a perfect square number. Its square root is 33
• The cube root of 1089 is 10.2882764781

### Scales and comparisons

How big is 1089?
• 1,089 seconds is equal to 18 minutes, 9 seconds.
• To count from 1 to 1,089 would take you about eighteen 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 1089 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1089

• 1089 backwards is 9801
• The number of decimal digits it has is: 4
• The sum of 1089's digits is 18
• More coming soon!