# 1121

## 1,121 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1121 look like?

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

1121 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 1121:

### 19 × 59

See below for interesting mathematical facts about the number 1121 from the Numbermatics database.

### Names of 1121

• Cardinal: 1121 can be written as One thousand, one hundred twenty-one.

### Scientific notation

• Scientific notation: 1.121 × 103

### Factors of 1121

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 78

### Divisors of 1121

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1200
• Sum of proper divisors (its aliquot sum) s(n): 79
• 1121 is a deficient number, because the sum of its proper divisors (79) is less than itself. Its deficiency is 1042

### Bases of 1121

• Binary: 100011000012
• Base-36: V5

### Squares and roots of 1121

• 1121 squared (11212) is 1256641
• 1121 cubed (11213) is 1408694561
• The square root of 1121 is 33.4813380855
• The cube root of 1121 is 10.3880780547

### Scales and comparisons

How big is 1121?
• 1,121 seconds is equal to 18 minutes, 41 seconds.
• To count from 1 to 1,121 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 1121 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1121

• 1121 backwards is 1211
• The number of decimal digits it has is: 4
• The sum of 1121's digits is 5
• More coming soon!