# 398042401

## 398,042,401 is an odd composite number composed of two prime numbers multiplied together.

What does the number 398042401 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

398042401 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 398042401:

### 712 × 2812

(71 × 71 × 281 × 281)

See below for interesting mathematical facts about the number 398042401 from the Numbermatics database.

### Names of 398042401

• Cardinal: 398042401 can be written as Three hundred ninety-eight million, forty-two thousand, four hundred one.

### Scientific notation

• Scientific notation: 3.98042401 × 108

### Factors of 398042401

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 352

### Divisors of 398042401

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 405169459
• Sum of proper divisors (its aliquot sum) s(n): 7127058
• 398042401 is a deficient number, because the sum of its proper divisors (7127058) is less than itself. Its deficiency is 390915343

### Bases of 398042401

• Binary: 101111011100110100101001000012
• Base-36: 6KZFHD

### Squares and roots of 398042401

• 398042401 squared (3980424012) is 158437752993844801
• 398042401 cubed (3980424013) is 63064943610714922811407201
• 398042401 is a perfect square number. Its square root is 19951
• The cube root of 398042401 is 735.6023574937

### Scales and comparisons

How big is 398042401?
• 398,042,401 seconds is equal to 12 years, 34 weeks, 23 hours, 20 minutes, 1 second.
• To count from 1 to 398,042,401 would take you about eighteen 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 398042401 cubic inches would be around 61.3 feet tall.

### Recreational maths with 398042401

• 398042401 backwards is 104240893
• The number of decimal digits it has is: 9
• The sum of 398042401's digits is 31
• More coming soon!