# 288640

## 288,640 is an even composite number composed of four prime numbers multiplied together.

What does the number 288640 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 64 divisors.

288640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.

## Prime factorization of 288640:

### 27 × 5 × 11 × 41

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 11 × 41)

See below for interesting mathematical facts about the number 288640 from the Numbermatics database.

### Names of 288640

• Cardinal: 288640 can be written as Two hundred eighty-eight thousand, six hundred forty.

### Scientific notation

• Scientific notation: 2.8864 × 105

### Factors of 288640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 59

### Divisors of 288640

• Number of divisors d(n): 64
• Complete list of divisors:
• Sum of all divisors σ(n): 771120
• Sum of proper divisors (its aliquot sum) s(n): 482480
• 288640 is an abundant number, because the sum of its proper divisors (482480) is greater than itself. Its abundance is 193840

### Bases of 288640

• Binary: 10001100111100000002
• Base-36: 66PS

### Squares and roots of 288640

• 288640 squared (2886402) is 83313049600
• 288640 cubed (2886403) is 24047478636544000
• The square root of 288640 is 537.2522684921
• The cube root of 288640 is 66.0874262281

### Scales and comparisons

How big is 288640?
• 288,640 seconds is equal to 3 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 288,640 would take you about three days.

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 288640 cubic inches would be around 5.5 feet tall.

### Recreational maths with 288640

• 288640 backwards is 046882
• The number of decimal digits it has is: 6
• The sum of 288640's digits is 28
• More coming soon!