# 1689

## 1,689 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1689 look like?

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

1689 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 1689:

### 3 × 563

See below for interesting mathematical facts about the number 1689 from the Numbermatics database.

### Names of 1689

• Cardinal: 1689 can be written as One thousand, six hundred eighty-nine.

### Scientific notation

• Scientific notation: 1.689 × 103

### Factors of 1689

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 566

### Divisors of 1689

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 2256
• Sum of proper divisors (its aliquot sum) s(n): 567
• 1689 is a deficient number, because the sum of its proper divisors (567) is less than itself. Its deficiency is 1122

### Bases of 1689

• Binary: 110100110012
• Base-36: 1AX

### Squares and roots of 1689

• 1689 squared (16892) is 2852721
• 1689 cubed (16893) is 4818245769
• The square root of 1689 is 41.0974451761
• The cube root of 1689 is 11.9090344029

### Scales and comparisons

How big is 1689?
• 1,689 seconds is equal to 28 minutes, 9 seconds.
• To count from 1 to 1,689 would take you about twenty-eight 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 1689 cubic inches would be around 1 feet tall.

### Recreational maths with 1689

• 1689 backwards is 9861
• The number of decimal digits it has is: 4
• The sum of 1689's digits is 24
• More coming soon!

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 1689 - Facts about the integer". Numbermatics.com. 2022. Web. 27 September 2022.

APA style:
Numbermatics. (2022). Number 1689 - Facts about the integer. Retrieved 27 September 2022, from https://numbermatics.com/n/1689/

Chicago style:
Numbermatics. 2022. "Number 1689 - Facts about the integer". https://numbermatics.com/n/1689/

The information we have on file for 1689 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 1689, math, Factors of 1689, curriculum, school, college, exams, university, Prime factorization of 1689, STEM, science, technology, engineering, physics, economics, calculator, one thousand, six hundred eighty-nine.

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