# 398161

## 398,161 is an odd composite number. It is composed of a single prime number multiplied by itself.

What does the number 398161 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 3 divisors.

398161 is an odd composite number. It has a total of three divisors.

## Prime factorization of 398161:

### 6312

(631 × 631)

See below for interesting mathematical facts about the number 398161 from the Numbermatics database.

### Names of 398161

• Cardinal: 398161 can be written as Three hundred ninety-eight thousand, one hundred sixty-one.

### Scientific notation

• Scientific notation: 3.98161 × 105

### Factors of 398161

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 631

### Divisors of 398161

• Number of divisors d(n): 3
• Complete list of divisors:
• Sum of all divisors σ(n): 398793
• Sum of proper divisors (its aliquot sum) s(n): 632
• 398161 is a deficient number, because the sum of its proper divisors (632) is less than itself. Its deficiency is 397529

### Bases of 398161

• Binary: 11000010011010100012
• Base-36: 8J81

### Squares and roots of 398161

• 398161 squared (3981612) is 158532181921
• 398161 cubed (3981613) is 63121332085847281
• 398161 is a perfect square number. Its square root is 631
• The cube root of 398161 is 73.5675409209

### Scales and comparisons

How big is 398161?
• 398,161 seconds is equal to 4 days, 14 hours, 36 minutes, 1 second.
• To count from 1 to 398,161 would take you about four 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 398161 cubic inches would be around 6.1 feet tall.

### Recreational maths with 398161

• 398161 backwards is 161893
• The number of decimal digits it has is: 6
• The sum of 398161's digits is 28
• More coming soon!