# 129085488

## 129,085,488 is an even composite number composed of five prime numbers multiplied together.

What does the number 129085488 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 320 divisors.

129085488 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.

## Prime factorization of 129085488:

### 24 × 37 × 7 × 17 × 31

(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 17 × 31)

See below for interesting mathematical facts about the number 129085488 from the Numbermatics database.

### Names of 129085488

• Cardinal: 129085488 can be written as One hundred twenty-nine million, eighty-five thousand, four hundred eighty-eight.

### Scientific notation

• Scientific notation: 1.29085488 × 108

### Factors of 129085488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 60

### Divisors of 129085488

• Number of divisors d(n): 320
• Complete list of divisors:
• Sum of all divisors σ(n): 468541440
• Sum of proper divisors (its aliquot sum) s(n): 339455952
• 129085488 is an abundant number, because the sum of its proper divisors (339455952) is greater than itself. Its abundance is 210370464

### Bases of 129085488

• Binary: 1111011000110110000001100002
• Base-36: 24UR00

### Squares and roots of 129085488

• 129085488 squared (1290854882) is 16663063212198144
• 129085488 cubed (1290854883) is 2150959646321444970934272
• The square root of 129085488 is 11361.5794676621
• The cube root of 129085488 is 505.3890254679

### Scales and comparisons

How big is 129085488?
• 129,085,488 seconds is equal to 4 years, 5 weeks, 3 days, 1 hour, 4 minutes, 48 seconds.
• To count from 1 to 129,085,488 would take you about six 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 129085488 cubic inches would be around 42.1 feet tall.

### Recreational maths with 129085488

• 129085488 backwards is 884580921
• The number of decimal digits it has is: 9
• The sum of 129085488's digits is 45
• More coming soon!