# 1309

## 1,309 is an odd composite number composed of three prime numbers multiplied together.

What does the number 1309 look like?

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

1309 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 1309:

### 7 × 11 × 17

See below for interesting mathematical facts about the number 1309 from the Numbermatics database.

### Names of 1309

• Cardinal: 1309 can be written as One thousand, three hundred nine.

### Scientific notation

• Scientific notation: 1.309 × 103

### Factors of 1309

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 35

### Divisors of 1309

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 1728
• Sum of proper divisors (its aliquot sum) s(n): 419
• 1309 is a deficient number, because the sum of its proper divisors (419) is less than itself. Its deficiency is 890

### Bases of 1309

• Binary: 101000111012
• Base-36: 10D

### Squares and roots of 1309

• 1309 squared (13092) is 1713481
• 1309 cubed (13093) is 2242946629
• The square root of 1309 is 36.1801050301
• The cube root of 1309 is 10.9390569213

### Scales and comparisons

How big is 1309?
• 1,309 seconds is equal to 21 minutes, 49 seconds.
• To count from 1 to 1,309 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 1309 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1309

• 1309 backwards is 9031
• The number of decimal digits it has is: 4
• The sum of 1309's digits is 13
• More coming soon!

#### Copy this link to share with anyone:

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

MLA style:
"Number 1309 - Facts about the integer". Numbermatics.com. 2024. Web. 7 September 2024.

APA style:
Numbermatics. (2024). Number 1309 - Facts about the integer. Retrieved 7 September 2024, from https://numbermatics.com/n/1309/

Chicago style:
Numbermatics. 2024. "Number 1309 - Facts about the integer". https://numbermatics.com/n/1309/

The information we have on file for 1309 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!

Keywords: Divisors of 1309, math, Factors of 1309, curriculum, school, college, exams, university, Prime factorization of 1309, STEM, science, technology, engineering, physics, economics, calculator, one thousand, three hundred nine.

Oh no. Javascript is switched off in your browser.
Some bits of this website may not work unless you switch it on.