# 3971

## 3,971 is an odd composite number composed of two prime numbers multiplied together.

What does the number 3971 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

3971 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 3971:

### 11 × 192

(11 × 19 × 19)

See below for interesting mathematical facts about the number 3971 from the Numbermatics database.

### Names of 3971

• Cardinal: 3971 can be written as Three thousand, nine hundred seventy-one.

### Scientific notation

• Scientific notation: 3.971 × 103

### Factors of 3971

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 30

### Divisors of 3971

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 4572
• Sum of proper divisors (its aliquot sum) s(n): 601
• 3971 is a deficient number, because the sum of its proper divisors (601) is less than itself. Its deficiency is 3370

### Bases of 3971

• Binary: 1111100000112
• Base-36: 32B

### Squares and roots of 3971

• 3971 squared (39712) is 15768841
• 3971 cubed (39713) is 62618067611
• The square root of 3971 is 63.0158710169
• The cube root of 3971 is 15.8355552437

### Scales and comparisons

How big is 3971?
• 3,971 seconds is equal to 1 hour, 6 minutes, 11 seconds.
• To count from 1 to 3,971 would take you about six 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 3971 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3971

• 3971 backwards is 1793
• The number of decimal digits it has is: 4
• The sum of 3971's digits is 20
• More coming soon!