389728375

389,728,375 is an odd composite number composed of two prime numbers multiplied together.

What does the number 389728375 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 8 divisors.

389728375 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 389728375:

5³ × 3117827

(5 × 5 × 5 × 3117827)

See below for interesting mathematical facts about the number 389728375 from the Numbermatics database.

Names of 389728375

Cardinal: 389728375 can be written as Three hundred eighty-nine million, seven hundred twenty-eight thousand, three hundred seventy-five.

Scientific notation

Scientific notation: 3.89728375 × 10⁸

Factors of 389728375

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 3117832

Divisors of 389728375

Number of divisors d(n): 8
Complete list of divisors:
1 5 25 125 3117827 15589135 77945675 389728375
Sum of all divisors σ(n): 486381168
Sum of proper divisors (its aliquot sum) s(n): 96652793
389728375 is a deficient number, because the sum of its proper divisors (96652793) is less than itself. Its deficiency is 293075582

Bases of 389728375

Binary: 10111001110101100100001110111₂
Hexadecimal: 0x173AC877
Base-36: 6G18C7

Squares and roots of 389728375

389728375 squared (389728375²) is 151888206280140625
389728375 cubed (389728375³) is 59195143815224000552734375
The square root of 389728375 is 19741.5393270129
The cube root of 389728375 is 730.4446999573

Scales and comparisons

How big is 389728375?

389,728,375 seconds is equal to 12 years, 20 weeks, 2 days, 17 hours, 52 minutes, 55 seconds.
To count from 1 to 389,728,375 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 389728375 cubic inches would be around 60.9 feet tall.

Recreational maths with 389728375

389728375 backwards is 573827983
The number of decimal digits it has is: 9
The sum of 389728375's digits is 52
More coming soon!

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The information we have on file for 389728375 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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