# 1311

## 1,311 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1311 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

1311 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 1311:

### 3 × 19 × 23

See below for interesting mathematical facts about the number 1311 from the Numbermatics database.

### Names of 1311

• Cardinal: 1311 can be written as One thousand, three hundred eleven.

### Scientific notation

• Scientific notation: 1.311 × 103

### Factors of 1311

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 45

### Divisors of 1311

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1920
• Sum of proper divisors (its aliquot sum) s(n): 609
• 1311 is a deficient number, because the sum of its proper divisors (609) is less than itself. Its deficiency is 702

### Bases of 1311

• Binary: 101000111112
• Base-36: 10F

### Squares and roots of 1311

• 1311 squared (13112) is 1718721
• 1311 cubed (13113) is 2253243231
• The square root of 1311 is 36.2077339805
• The cube root of 1311 is 10.9446252891

### Scales and comparisons

How big is 1311?
• 1,311 seconds is equal to 21 minutes, 51 seconds.
• To count from 1 to 1,311 would take you about twenty-one 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 1311 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1311

• 1311 backwards is 1131
• The number of decimal digits it has is: 4
• The sum of 1311's digits is 6
• More coming soon!

MLA style:
"Number 1311 - Facts about the integer". Numbermatics.com. 2021. Web. 19 October 2021.

APA style:
Numbermatics. (2021). Number 1311 - Facts about the integer. Retrieved 19 October 2021, from https://numbermatics.com/n/1311/

Chicago style:
Numbermatics. 2021. "Number 1311 - Facts about the integer". https://numbermatics.com/n/1311/

The information we have on file for 1311 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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