# 142804640

## 142,804,640 is an even composite number composed of five prime numbers multiplied together.

What does the number 142804640 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 96 divisors.

142804640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.

## Prime factorization of 142804640:

### 25 × 5 × 11 × 41 × 1979

(2 × 2 × 2 × 2 × 2 × 5 × 11 × 41 × 1979)

See below for interesting mathematical facts about the number 142804640 from the Numbermatics database.

### Names of 142804640

• Cardinal: 142804640 can be written as One hundred forty-two million, eight hundred four thousand, six hundred forty.

### Scientific notation

• Scientific notation: 1.4280464 × 108

### Factors of 142804640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2038

### Divisors of 142804640

• Number of divisors d(n): 96
• Complete list of divisors:
• Sum of all divisors σ(n): 377213760
• Sum of proper divisors (its aliquot sum) s(n): 234409120
• 142804640 is an abundant number, because the sum of its proper divisors (234409120) is greater than itself. Its abundance is 91604480

### Bases of 142804640

• Binary: 10001000001100000110101000002
• Base-36: 2D0SRK

### Squares and roots of 142804640

• 142804640 squared (1428046402) is 20393165205529600
• 142804640 cubed (1428046403) is 2912238615636180537344000
• The square root of 142804640 is 11950.0895394135
• The cube root of 142804640 is 522.6939093927

### Scales and comparisons

How big is 142804640?
• 142,804,640 seconds is equal to 4 years, 28 weeks, 19 hours, 57 minutes, 20 seconds.
• To count from 1 to 142,804,640 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 142804640 cubic inches would be around 43.6 feet tall.

### Recreational maths with 142804640

• 142804640 backwards is 046408241
• The number of decimal digits it has is: 9
• The sum of 142804640's digits is 29
• More coming soon!