# 1631

## 1,631 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1631 look like?

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

1631 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 1631:

### 7 × 233

See below for interesting mathematical facts about the number 1631 from the Numbermatics database.

### Names of 1631

• Cardinal: 1631 can be written as One thousand, six hundred thirty-one.

### Scientific notation

• Scientific notation: 1.631 × 103

### Factors of 1631

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 240

### Divisors of 1631

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1872
• Sum of proper divisors (its aliquot sum) s(n): 241
• 1631 is a deficient number, because the sum of its proper divisors (241) is less than itself. Its deficiency is 1390

### Bases of 1631

• Binary: 110010111112
• Base-36: 19B

### Squares and roots of 1631

• 1631 squared (16312) is 2660161
• 1631 cubed (16313) is 4338722591
• The square root of 1631 is 40.3856410127
• The cube root of 1631 is 11.7711254181

### Scales and comparisons

How big is 1631?
• 1,631 seconds is equal to 27 minutes, 11 seconds.
• To count from 1 to 1,631 would take you about twenty-seven 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 1631 cubic inches would be around 1 feet tall.

### Recreational maths with 1631

• 1631 backwards is 1361
• The number of decimal digits it has is: 4
• The sum of 1631's digits is 11
• More coming soon!