# 447

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

What does the number 447 look like?

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

447 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 447:

### 3 × 149

See below for interesting mathematical facts about the number 447 from the Numbermatics database.

### Names of 447

• Cardinal: 447 can be written as Four hundred forty-seven.

### Scientific notation

• Scientific notation: 4.47 × 102

### Factors of 447

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 152

### Divisors of 447

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 600
• Sum of proper divisors (its aliquot sum) s(n): 153
• 447 is a deficient number, because the sum of its proper divisors (153) is less than itself. Its deficiency is 294

### Bases of 447

• Binary: 1101111112
• Base-36: CF

### Squares and roots of 447

• 447 squared (4472) is 199809
• 447 cubed (4473) is 89314623
• The square root of 447 is 21.1423745119
• The cube root of 447 is 7.6460272423

### Scales and comparisons

How big is 447?
• 447 seconds is equal to 7 minutes, 27 seconds.
• To count from 1 to 447 would take you about three 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 447 cubic inches would be around 0.6 feet tall.

### Recreational maths with 447

• 447 backwards is 744
• The number of decimal digits it has is: 3
• The sum of 447's digits is 15
• More coming soon!