# 509942

## 509,942 is an even composite number composed of two prime numbers multiplied together.

What does the number 509942 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

509942 is an even composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 509942:

### 2 × 254971

See below for interesting mathematical facts about the number 509942 from the Numbermatics database.

### Names of 509942

• Cardinal: 509942 can be written as Five hundred nine thousand, nine hundred forty-two.

### Scientific notation

• Scientific notation: 5.09942 × 105

### Factors of 509942

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 254973

### Divisors of 509942

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 764916
• Sum of proper divisors (its aliquot sum) s(n): 254974
• 509942 is a deficient number, because the sum of its proper divisors (254974) is less than itself. Its deficiency is 254968

### Bases of 509942

• Binary: 11111000111111101102
• Base-36: AXH2

### Squares and roots of 509942

• 509942 squared (5099422) is 260040843364
• 509942 cubed (5099423) is 132605747746724888
• The square root of 509942 is 714.1022335773
• The cube root of 509942 is 79.8926685639

### Scales and comparisons

How big is 509942?
• 509,942 seconds is equal to 5 days, 21 hours, 39 minutes, 2 seconds.
• To count from 1 to 509,942 would take you about five days.

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 509942 cubic inches would be around 6.7 feet tall.

### Recreational maths with 509942

• 509942 backwards is 249905
• The number of decimal digits it has is: 6
• The sum of 509942's digits is 29
• More coming soon!