# 881

## 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 881 look like?

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

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

## Prime factorization of 881:

### 881

See below for interesting mathematical facts about the number 881 from the Numbermatics database.

### Names of 881

• Cardinal: 881 can be written as Eight hundred eighty-one.

### Scientific notation

• Scientific notation: 8.81 × 102

### Factors of 881

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 881

### Divisors of 881

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 882
• Sum of proper divisors (its aliquot sum) s(n): 1
• 881 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 880

### Bases of 881

• Binary: 11011100012
• Base-36: OH

### Squares and roots of 881

• 881 squared (8812) is 776161
• 881 cubed (8813) is 683797841
• The square root of 881 is 29.6816441593
• The cube root of 881 is 9.5864682035

### Scales and comparisons

How big is 881?
• 881 seconds is equal to 14 minutes, 41 seconds.
• To count from 1 to 881 would take you about 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 881 cubic inches would be around 0.8 feet tall.

### Recreational maths with 881

• 881 backwards is 188
• 881 is a twin prime! Its twin is 883
• The number of decimal digits it has is: 3
• The sum of 881's digits is 17
• More coming soon!