# 78408

## 78,408 is an even composite number composed of three prime numbers multiplied together.

What does the number 78408 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 60 divisors.

78408 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty divisors.

## Prime factorization of 78408:

### 23 × 34 × 112

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 11 × 11)

See below for interesting mathematical facts about the number 78408 from the Numbermatics database.

### Names of 78408

• Cardinal: 78408 can be written as Seventy-eight thousand, four hundred eight.

### Scientific notation

• Scientific notation: 7.8408 × 104

### Factors of 78408

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 16

### Divisors of 78408

• Number of divisors d(n): 60
• Complete list of divisors:
• Sum of all divisors σ(n): 241395
• Sum of proper divisors (its aliquot sum) s(n): 162987
• 78408 is an abundant number, because the sum of its proper divisors (162987) is greater than itself. Its abundance is 84579

### Bases of 78408

• Binary: 100110010010010002
• Base-36: 1OI0

### Squares and roots of 78408

• 78408 squared (784082) is 6147814464
• 78408 cubed (784083) is 482037836493312
• The square root of 78408 is 280.0142853499
• The cube root of 78408 is 42.8009549383

### Scales and comparisons

How big is 78408?
• 78,408 seconds is equal to 21 hours, 46 minutes, 48 seconds.
• To count from 1 to 78,408 would take you about twenty-one 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 78408 cubic inches would be around 3.6 feet tall.

### Recreational maths with 78408

• 78408 backwards is 80487
• 78408 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 78408's digits is 27
• More coming soon!