# 3881

## 3,881 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 3881 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

3881 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 3881:

### 3881

See below for interesting mathematical facts about the number 3881 from the Numbermatics database.

### Names of 3881

• Cardinal: 3881 can be written as Three thousand, eight hundred eighty-one.

### Scientific notation

• Scientific notation: 3.881 × 103

### Factors of 3881

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 3881

### Divisors of 3881

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 3882
• Sum of proper divisors (its aliquot sum) s(n): 1
• 3881 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 3880

### Bases of 3881

• Binary: 1111001010012
• Base-36: 2ZT

### Squares and roots of 3881

• 3881 squared (38812) is 15062161
• 3881 cubed (38813) is 58456246841
• The square root of 3881 is 62.2976725087
• The cube root of 3881 is 15.7150058701

### Scales and comparisons

How big is 3881?
• 3,881 seconds is equal to 1 hour, 4 minutes, 41 seconds.
• To count from 1 to 3,881 would take you about four 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 3881 cubic inches would be around 1.3 feet tall.

### Recreational maths with 3881

• 3881 backwards is 1883
• The number of decimal digits it has is: 4
• The sum of 3881's digits is 20
• More coming soon!