# 481

## 481 is an odd composite number composed of two prime numbers multiplied together.

What does the number 481 look like?

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

481 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 481:

### 13 × 37

See below for interesting mathematical facts about the number 481 from the Numbermatics database.

### Names of 481

• Cardinal: 481 can be written as Four hundred eighty-one.

### Scientific notation

• Scientific notation: 4.81 × 102

### Factors of 481

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 50

### Divisors of 481

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 532
• Sum of proper divisors (its aliquot sum) s(n): 51
• 481 is a deficient number, because the sum of its proper divisors (51) is less than itself. Its deficiency is 430

### Bases of 481

• Binary: 1111000012
• Base-36: DD

### Squares and roots of 481

• 481 squared (4812) is 231361
• 481 cubed (4813) is 111284641
• The square root of 481 is 21.9317121995
• The cube root of 481 is 7.8351688269

### Scales and comparisons

How big is 481?
• 481 seconds is equal to 8 minutes, 1 second.
• To count from 1 to 481 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 481 cubic inches would be around 0.7 feet tall.

### Recreational maths with 481

• 481 backwards is 184
• 481 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 481's digits is 13
• More coming soon!