# 402

## 402 is an even composite number composed of three prime numbers multiplied together.

What does the number 402 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

402 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 402:

### 2 × 3 × 67

See below for interesting mathematical facts about the number 402 from the Numbermatics database.

### Names of 402

• Cardinal: 402 can be written as Four hundred two.

### Scientific notation

• Scientific notation: 4.02 × 102

### Factors of 402

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 72

### Divisors of 402

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 816
• Sum of proper divisors (its aliquot sum) s(n): 414
• 402 is an abundant number, because the sum of its proper divisors (414) is greater than itself. Its abundance is 12

### Bases of 402

• Binary: 1100100102
• Base-36: B6

### Squares and roots of 402

• 402 squared (4022) is 161604
• 402 cubed (4023) is 64964808
• The square root of 402 is 20.0499376557
• The cube root of 402 is 7.3803226921

### Scales and comparisons

How big is 402?
• 402 seconds is equal to 6 minutes, 42 seconds.
• To count from 1 to 402 would take you about three minutes.

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 402 cubic inches would be around 0.6 feet tall.

### Recreational maths with 402

• 402 backwards is 204
• 402 is a Harshad number.
• The number of decimal digits it has is: 3
• The sum of 402's digits is 6
• More coming soon!

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The information we have on file for 402 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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