# 402990912

## 402,990,912 is an even composite number composed of five prime numbers multiplied together.

What does the number 402990912 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 168 divisors.

402990912 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.

## Prime factorization of 402990912:

### 26 × 32 × 19 × 23 × 1601

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 19 × 23 × 1601)

See below for interesting mathematical facts about the number 402990912 from the Numbermatics database.

### Names of 402990912

• Cardinal: 402990912 can be written as Four hundred two million, nine hundred ninety thousand, nine hundred twelve.

### Scientific notation

• Scientific notation: 4.02990912 × 108

### Factors of 402990912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1648

### Divisors of 402990912

• Number of divisors d(n): 168
• Complete list of divisors:
• Sum of all divisors σ(n): 1269552960
• Sum of proper divisors (its aliquot sum) s(n): 866562048
• 402990912 is an abundant number, because the sum of its proper divisors (866562048) is greater than itself. Its abundance is 463571136

### Bases of 402990912

• Binary: 110000000010100100111010000002
• Base-36: 6NXHS0

### Squares and roots of 402990912

• 402990912 squared (4029909122) is 162401675154591744
• 402990912 cubed (4029909123) is 65446399180876667902230528
• The square root of 402990912 is 20074.6335458459
• The cube root of 402990912 is 738.6381771361

### Scales and comparisons

How big is 402990912?
• 402,990,912 seconds is equal to 12 years, 42 weeks, 2 days, 5 hours, 55 minutes, 12 seconds.
• To count from 1 to 402,990,912 would take you about nineteen 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 402990912 cubic inches would be around 61.6 feet tall.

### Recreational maths with 402990912

• 402990912 backwards is 219099204
• 402990912 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 402990912's digits is 36
• More coming soon!