# 449

## 449 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 449 look like?

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

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

## Prime factorization of 449:

### 449

See below for interesting mathematical facts about the number 449 from the Numbermatics database.

### Names of 449

• Cardinal: 449 can be written as Four hundred forty-nine.

### Scientific notation

• Scientific notation: 4.49 × 102

### Factors of 449

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 449

### Divisors of 449

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 450
• Sum of proper divisors (its aliquot sum) s(n): 1
• 449 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 448

### Bases of 449

• Binary: 1110000012
• Base-36: CH

### Squares and roots of 449

• 449 squared (4492) is 201601
• 449 cubed (4493) is 90518849
• The square root of 449 is 21.1896201005
• The cube root of 449 is 7.6574137479

### Scales and comparisons

How big is 449?
• 449 seconds is equal to 7 minutes, 29 seconds.
• To count from 1 to 449 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 449 cubic inches would be around 0.6 feet tall.

### Recreational maths with 449

• 449 backwards is 944
• The number of decimal digits it has is: 3
• The sum of 449's digits is 17
• More coming soon!