# 472729139

## 472,729,139 is an odd composite number composed of two prime numbers multiplied together.

What does the number 472729139 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 16 divisors.

472729139 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 472729139:

### 193 × 413

(19 × 19 × 19 × 41 × 41 × 41)

See below for interesting mathematical facts about the number 472729139 from the Numbermatics database.

### Names of 472729139

• Cardinal: 472729139 can be written as Four hundred seventy-two million, seven hundred twenty-nine thousand, one hundred thirty-nine.

### Scientific notation

• Scientific notation: 4.72729139 × 108

### Factors of 472729139

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 60

### Divisors of 472729139

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 511462560
• Sum of proper divisors (its aliquot sum) s(n): 38733421
• 472729139 is a deficient number, because the sum of its proper divisors (38733421) is less than itself. Its deficiency is 433995718

### Bases of 472729139

• Binary: 111000010110101000110001100112
• Base-36: 7TG84Z

### Squares and roots of 472729139

• 472729139 squared (4727291392) is 223472838859681321
• 472729139 cubed (4727291393) is 105642122704022892690712619
• The square root of 472729139 is 21742.3351781725
• 472729139 is a perfect cube number. Its cube root is 779

### Scales and comparisons

How big is 472729139?
• 472,729,139 seconds is equal to 15 years, 1 week, 4 days, 9 hours, 38 minutes, 59 seconds.
• To count from 1 to 472,729,139 would take you about twenty-two 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 472729139 cubic inches would be around 64.9 feet tall.

### Recreational maths with 472729139

• 472729139 backwards is 931927274
• The number of decimal digits it has is: 9
• The sum of 472729139's digits is 44
• More coming soon!