# 9902

## 9,902 is an even composite number composed of two prime numbers multiplied together.

What does the number 9902 look like?

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

9902 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 9902:

### 2 × 4951

See below for interesting mathematical facts about the number 9902 from the Numbermatics database.

### Names of 9902

• Cardinal: 9902 can be written as Nine thousand, nine hundred two.

### Scientific notation

• Scientific notation: 9.902 × 103

### Factors of 9902

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4953

### Divisors of 9902

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 14856
• Sum of proper divisors (its aliquot sum) s(n): 4954
• 9902 is a deficient number, because the sum of its proper divisors (4954) is less than itself. Its deficiency is 4948

### Bases of 9902

• Binary: 100110101011102
• Base-36: 7N2

### Squares and roots of 9902

• 9902 squared (99022) is 98049604
• 9902 cubed (99023) is 970887178808
• The square root of 9902 is 99.5087935813
• The cube root of 9902 is 21.4737375383

### Scales and comparisons

How big is 9902?
• 9,902 seconds is equal to 2 hours, 45 minutes, 2 seconds.
• To count from 1 to 9,902 would take you about two hours.

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 9902 cubic inches would be around 1.8 feet tall.

### Recreational maths with 9902

• 9902 backwards is 2099
• The number of decimal digits it has is: 4
• The sum of 9902's digits is 20
• More coming soon!