# 1156

## 1,156 is an even composite number composed of two prime numbers multiplied together.

What does the number 1156 look like?

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

1156 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 1156:

### 22 × 172

(2 × 2 × 17 × 17)

See below for interesting mathematical facts about the number 1156 from the Numbermatics database.

### Names of 1156

• Cardinal: 1156 can be written as One thousand, one hundred fifty-six.

### Scientific notation

• Scientific notation: 1.156 × 103

### Factors of 1156

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 19

### Divisors of 1156

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 2149
• Sum of proper divisors (its aliquot sum) s(n): 993
• 1156 is a deficient number, because the sum of its proper divisors (993) is less than itself. Its deficiency is 163

### Bases of 1156

• Binary: 100100001002
• Base-36: W4

### Squares and roots of 1156

• 1156 squared (11562) is 1336336
• 1156 cubed (11563) is 1544804416
• 1156 is a perfect square number. Its square root is 34
• The cube root of 1156 is 10.4950846229

### Scales and comparisons

How big is 1156?
• 1,156 seconds is equal to 19 minutes, 16 seconds.
• To count from 1 to 1,156 would take you about nineteen 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 1156 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1156

• 1156 backwards is 6511
• The number of decimal digits it has is: 4
• The sum of 1156's digits is 13
• More coming soon!

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The information we have on file for 1156 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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