# 81078

## 81,078 is an even composite number composed of three prime numbers multiplied together.

What does the number 81078 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

81078 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 81078:

### 2 × 3 × 13513

See below for interesting mathematical facts about the number 81078 from the Numbermatics database.

### Names of 81078

• Cardinal: 81078 can be written as Eighty-one thousand and seventy-eight.

### Scientific notation

• Scientific notation: 8.1078 × 104

### Factors of 81078

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 13518

### Divisors of 81078

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 162168
• Sum of proper divisors (its aliquot sum) s(n): 81090
• 81078 is an abundant number, because the sum of its proper divisors (81090) is greater than itself. Its abundance is 12

### Bases of 81078

• Binary: 100111100101101102
• Base-36: 1QK6

### Squares and roots of 81078

• 81078 squared (810782) is 6573642084
• 81078 cubed (810783) is 532977752886552
• The square root of 81078 is 284.7419884737
• The cube root of 81078 is 43.2813709829

### Scales and comparisons

How big is 81078?
• 81,078 seconds is equal to 22 hours, 31 minutes, 18 seconds.
• To count from 1 to 81,078 would take you about twenty-two 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 81078 cubic inches would be around 3.6 feet tall.

### Recreational maths with 81078

• 81078 backwards is 87018
• The number of decimal digits it has is: 5
• The sum of 81078's digits is 24
• More coming soon!