# 458

## 458 is an even composite number composed of two prime numbers multiplied together.

What does the number 458 look like?

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

458 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 458:

### 2 × 229

See below for interesting mathematical facts about the number 458 from the Numbermatics database.

### Names of 458

• Cardinal: 458 can be written as Four hundred fifty-eight.

### Scientific notation

• Scientific notation: 4.58 × 102

### Factors of 458

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 231

### Divisors of 458

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 690
• Sum of proper divisors (its aliquot sum) s(n): 232
• 458 is a deficient number, because the sum of its proper divisors (232) is less than itself. Its deficiency is 226

### Bases of 458

• Binary: 1110010102
• Base-36: CQ

### Squares and roots of 458

• 458 squared (4582) is 209764
• 458 cubed (4583) is 96071912
• The square root of 458 is 21.4009345591
• The cube root of 458 is 7.7082387781

### Scales and comparisons

How big is 458?
• 458 seconds is equal to 7 minutes, 38 seconds.
• To count from 1 to 458 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 458 cubic inches would be around 0.6 feet tall.

### Recreational maths with 458

• 458 backwards is 854
• The number of decimal digits it has is: 3
• The sum of 458's digits is 17
• More coming soon!