# 72868

## 72,868 is an even composite number composed of two prime numbers multiplied together.

What does the number 72868 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

72868 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

## Prime factorization of 72868:

### 22 × 18217

(2 × 2 × 18217)

See below for interesting mathematical facts about the number 72868 from the Numbermatics database.

### Names of 72868

• Cardinal: 72868 can be written as Seventy-two thousand, eight hundred sixty-eight.

### Scientific notation

• Scientific notation: 7.2868 × 104

### Factors of 72868

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 18219

### Divisors of 72868

• Number of divisors d(n): 6
• Complete list of divisors:
• Sum of all divisors σ(n): 127526
• Sum of proper divisors (its aliquot sum) s(n): 54658
• 72868 is a deficient number, because the sum of its proper divisors (54658) is less than itself. Its deficiency is 18210

### Bases of 72868

• Binary: 100011100101001002
• Base-36: 1K84

### Squares and roots of 72868

• 72868 squared (728682) is 5309745424
• 72868 cubed (728683) is 386910529556032
• The square root of 72868 is 269.9407342363
• The cube root of 72868 is 41.7681862275

### Scales and comparisons

How big is 72868?
• 72,868 seconds is equal to 20 hours, 14 minutes, 28 seconds.
• To count from 1 to 72,868 would take you about twenty 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 72868 cubic inches would be around 3.5 feet tall.

### Recreational maths with 72868

• 72868 backwards is 86827
• The number of decimal digits it has is: 5
• The sum of 72868's digits is 31
• More coming soon!