389939928
389,939,928 is an even composite number composed of five prime numbers multiplied together.
389939928 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 389939928:
23 × 3 × 7 × 241 × 9631
(2 × 2 × 2 × 3 × 7 × 241 × 9631)See below for interesting mathematical facts about the number 389939928 from the Numbermatics database.
Names of 389939928
- Cardinal: 389939928 can be written as Three hundred eighty-nine million, nine hundred thirty-nine thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 3.89939928 × 108
Factors of 389939928
Divisors of 389939928
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 241 482 723 964 1446 1687 1928 2892 3374 5061 5784 6748 9631 10122 13496 19262 20244 28893 38524 40488 57786 67417 77048 115572 134834 202251 231144 269668 404502 539336 809004 1618008 2321071 4642142 6963213 9284284 13926426 16247497 18568568 27852852 32494994 48742491 55705704 64989988 97484982 129979976 194969964 389939928
- Sum of all divisors σ(n): 1118853120
- Sum of proper divisors (its aliquot sum) s(n): 728913192
- 389939928 is an abundant number, because the sum of its proper divisors (728913192) is greater than itself. Its abundance is 338973264
Bases of 389939928
- Binary: 101110011111000000010110110002
- Hexadecimal: 0x173E02D8
- Base-36: 6G5RKO
Squares and roots of 389939928
- 389939928 squared (3899399282) is 152053147448645184
- 389939928 cubed (3899399283) is 59291593368298086746506752
-
The
square root of 389939928 is 19746.8966675781 -
The
cube root of 389939928 is 730.5768431163
Scales and comparisons
How big is 389939928?- 389,939,928 seconds is equal to 12 years, 20 weeks, 5 days, 4 hours, 38 minutes, 48 seconds.
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To count from 1 to 389,939,928 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 389939928 cubic inches would be around 60.9 feet tall.
Recreational maths with 389939928
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The information we have on file for 389939928 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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