# 68040

## 68,040 is an even composite number composed of four prime numbers multiplied together.

What does the number 68040 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 96 divisors.

68040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.

## Prime factorization of 68040:

### 23 × 35 × 5 × 7

(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 7)

See below for interesting mathematical facts about the number 68040 from the Numbermatics database.

### Names of 68040

• Cardinal: 68040 can be written as Sixty-eight thousand and forty.

### Scientific notation

• Scientific notation: 6.804 × 104

### Factors of 68040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17

### Divisors of 68040

• Number of divisors d(n): 96
• Complete list of divisors:
• Sum of all divisors σ(n): 262080
• Sum of proper divisors (its aliquot sum) s(n): 194040
• 68040 is an abundant number, because the sum of its proper divisors (194040) is greater than itself. Its abundance is 126000

### Bases of 68040

• Binary: 100001001110010002
• Base-36: 1GI0

### Squares and roots of 68040

• 68040 squared (680402) is 4629441600
• 68040 cubed (680403) is 314987206464000
• The square root of 68040 is 260.8447814315
• The cube root of 68040 is 40.8245526957

### Scales and comparisons

How big is 68040?
• 68,040 seconds is equal to 18 hours, 54 minutes.
• To count from 1 to 68,040 would take you about eighteen 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 68040 cubic inches would be around 3.4 feet tall.

### Recreational maths with 68040

• 68040 backwards is 04086
• 68040 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 68040's digits is 18
• More coming soon!