# 45478

## 45,478 is an even composite number composed of two prime numbers multiplied together.

What does the number 45478 look like?

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

45478 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 45478:

### 2 × 22739

See below for interesting mathematical facts about the number 45478 from the Numbermatics database.

### Names of 45478

• Cardinal: 45478 can be written as Forty-five thousand, four hundred seventy-eight.

### Scientific notation

• Scientific notation: 4.5478 × 104

### Factors of 45478

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 22741

### Divisors of 45478

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 68220
• Sum of proper divisors (its aliquot sum) s(n): 22742
• 45478 is a deficient number, because the sum of its proper divisors (22742) is less than itself. Its deficiency is 22736

### Bases of 45478

• Binary: 10110001101001102
• Base-36: Z3A

### Squares and roots of 45478

• 45478 squared (454782) is 2068248484
• 45478 cubed (454783) is 94059804555352
• The square root of 45478 is 213.2557150465
• The cube root of 45478 is 35.6944301061

### Scales and comparisons

How big is 45478?
• 45,478 seconds is equal to 12 hours, 37 minutes, 58 seconds.
• To count from 1 to 45,478 would take you about twelve hours.

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 45478 cubic inches would be around 3 feet tall.

### Recreational maths with 45478

• 45478 backwards is 87454
• The number of decimal digits it has is: 5
• The sum of 45478's digits is 28
• More coming soon!