# 72473472

## 72,473,472 is an even composite number composed of four prime numbers multiplied together.

What does the number 72473472 look like?

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

72473472 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 72473472:

### 27 × 32 × 53 × 1187

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 53 × 1187)

See below for interesting mathematical facts about the number 72473472 from the Numbermatics database.

### Names of 72473472

• Cardinal: 72473472 can be written as Seventy-two million, four hundred seventy-three thousand, four hundred seventy-two.

### Scientific notation

• Scientific notation: 7.2473472 × 107

### Factors of 72473472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1245

### Divisors of 72473472

• Number of divisors d(n): 96
• Complete list of divisors:
• Sum of all divisors σ(n): 212663880
• Sum of proper divisors (its aliquot sum) s(n): 140190408
• 72473472 is an abundant number, because the sum of its proper divisors (140190408) is greater than itself. Its abundance is 67716936

### Bases of 72473472

• Binary: 1000101000111011011100000002
• Base-36: 175CW0

### Squares and roots of 72473472

• 72473472 squared (724734722) is 5252404143734784
• 72473472 cubed (724734723) is 380659964643646843650048
• The square root of 72473472 is 8513.1352626397
• The cube root of 72473472 is 416.9266817251

### Scales and comparisons

How big is 72473472?
• 72,473,472 seconds is equal to 2 years, 15 weeks, 5 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 72,473,472 would take you about three years!

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 72473472 cubic inches would be around 34.7 feet tall.

### Recreational maths with 72473472

• 72473472 backwards is 27437427
• 72473472 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 72473472's digits is 36
• More coming soon!