428940428
428,940,428 is an even composite number composed of five prime numbers multiplied together.
428940428 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 428940428:
22 × 7 × 19 × 312 × 839
(2 × 2 × 7 × 19 × 31 × 31 × 839)See below for interesting mathematical facts about the number 428940428 from the Numbermatics database.
Names of 428940428
- Cardinal: 428940428 can be written as Four hundred twenty-eight million, nine hundred forty thousand, four hundred twenty-eight.
Scientific notation
- Scientific notation: 4.28940428 × 108
Factors of 428940428
Divisors of 428940428
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 14 19 28 31 38 62 76 124 133 217 266 434 532 589 839 868 961 1178 1678 1922 2356 3356 3844 4123 5873 6727 8246 11746 13454 15941 16492 18259 23492 26009 26908 31882 36518 52018 63764 73036 104036 111587 127813 182063 223174 255626 364126 446348 494171 511252 728252 806279 988342 1612558 1976684 3225116 3459197 5643953 6918394 11287906 13836788 15319301 22575812 30638602 61277204 107235107 214470214 428940428
- Sum of all divisors σ(n): 934214400
- Sum of proper divisors (its aliquot sum) s(n): 505273972
- 428940428 is an abundant number, because the sum of its proper divisors (505273972) is greater than itself. Its abundance is 76333544
Bases of 428940428
- Binary: 110011001000100011100100011002
- Hexadecimal: 0x19911C8C
- Base-36: 73DOJW
Squares and roots of 428940428
- 428940428 squared (4289404282) is 183989890772823184
- 428940428 cubed (4289404283) is 78920702495768027313282752
-
The
square root of 428940428 is 20710.8770456493 -
The
cube root of 428940428 is 754.1637616377
Scales and comparisons
How big is 428940428?- 428,940,428 seconds is equal to 13 years, 33 weeks, 1 day, 14 hours, 7 minutes, 8 seconds.
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To count from 1 to 428,940,428 would take you about twenty 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 428940428 cubic inches would be around 62.8 feet tall.
Recreational maths with 428940428
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The information we have on file for 428940428 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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