# 1145520

## 1,145,520 is an even composite number composed of five prime numbers multiplied together.

What does the number 1145520 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.

1145520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.

## Prime factorization of 1145520:

### 24 × 32 × 5 × 37 × 43

(2 × 2 × 2 × 2 × 3 × 3 × 5 × 37 × 43)

See below for interesting mathematical facts about the number 1145520 from the Numbermatics database.

### Names of 1145520

• Cardinal: 1145520 can be written as One million, one hundred forty-five thousand, five hundred twenty.

### Scientific notation

• Scientific notation: 1.14552 × 106

### Factors of 1145520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 90

### Divisors of 1145520

• Number of divisors d(n): 120
• Complete list of divisors:
• Sum of all divisors σ(n): 4042896
• Sum of proper divisors (its aliquot sum) s(n): 2897376
• 1145520 is an abundant number, because the sum of its proper divisors (2897376) is greater than itself. Its abundance is 1751856

### Bases of 1145520

• Binary: 1000101111010101100002
• Base-36: OJW0

### Squares and roots of 1145520

• 1145520 squared (11455202) is 1312216070400
• 1145520 cubed (11455203) is 1503169752964608000
• The square root of 1145520 is 1070.2896804137
• The cube root of 1145520 is 104.6327304661

### Scales and comparisons

How big is 1145520?
• 1,145,520 seconds is equal to 1 week, 6 days, 6 hours, 12 minutes.
• To count from 1 to 1,145,520 would take you about two weeks!

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 1145520 cubic inches would be around 8.7 feet tall.

### Recreational maths with 1145520

• 1145520 backwards is 0255411
• 1145520 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 1145520's digits is 18
• More coming soon!