# 10240

## 10,240 is an even composite number composed of two prime numbers multiplied together.

What does the number 10240 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 24 divisors.

10240 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-four divisors.

## Prime factorization of 10240:

### 211 × 5

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5)

See below for interesting mathematical facts about the number 10240 from the Numbermatics database.

### Names of 10240

• Cardinal: 10240 can be written as Ten thousand, two hundred forty.

### Scientific notation

• Scientific notation: 1.024 × 104

### Factors of 10240

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7

### Divisors of 10240

• Number of divisors d(n): 24
• Complete list of divisors:
• Sum of all divisors σ(n): 24570
• Sum of proper divisors (its aliquot sum) s(n): 14330
• 10240 is an abundant number, because the sum of its proper divisors (14330) is greater than itself. Its abundance is 4090

### Bases of 10240

• Binary: 101000000000002
• Base-36: 7WG

### Squares and roots of 10240

• 10240 squared (102402) is 104857600
• 10240 cubed (102403) is 1073741824000
• The square root of 10240 is 101.1928851253
• The cube root of 10240 is 21.7153409327

### Scales and comparisons

How big is 10240?
• 10,240 seconds is equal to 2 hours, 50 minutes, 40 seconds.
• To count from 1 to 10,240 would take you about 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 10240 cubic inches would be around 1.8 feet tall.

### Recreational maths with 10240

• 10240 backwards is 04201
• The number of decimal digits it has is: 5
• The sum of 10240's digits is 7
• More coming soon!