389408042

389,408,042 is an even composite number composed of three prime numbers multiplied together.

What does the number 389408042 look like?

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

389408042 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 389408042:

2 × 157 × 1240153

See below for interesting mathematical facts about the number 389408042 from the Numbermatics database.

Names of 389408042

Cardinal: 389408042 can be written as Three hundred eighty-nine million, four hundred eight thousand and forty-two.

Scientific notation

Scientific notation: 3.89408042 × 10⁸

Factors of 389408042

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 1240312

Divisors of 389408042

Number of divisors d(n): 8
Complete list of divisors:
1 2 157 314 1240153 2480306 194704021 389408042
Sum of all divisors σ(n): 587832996
Sum of proper divisors (its aliquot sum) s(n): 198424954
389408042 is a deficient number, because the sum of its proper divisors (198424954) is less than itself. Its deficiency is 190983088

Bases of 389408042

Binary: 10111001101011110010100101010₂
Hexadecimal: 0x1735E52A
Base-36: 6FUD62

Squares and roots of 389408042

389408042 squared (389408042²) is 151638623174273764
389408042 cubed (389408042³) is 59049299341869771211210088
The square root of 389408042 is 19733.4244874021
The cube root of 389408042 is 730.2445180755

Scales and comparisons

How big is 389408042?

389,408,042 seconds is equal to 12 years, 19 weeks, 6 days, 54 minutes, 2 seconds.
To count from 1 to 389,408,042 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 389408042 cubic inches would be around 60.9 feet tall.

Recreational maths with 389408042

389408042 backwards is 240804983
The number of decimal digits it has is: 9
The sum of 389408042's digits is 38
More coming soon!

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The information we have on file for 389408042 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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