428705928
428,705,928 is an even composite number composed of five prime numbers multiplied together.
428705928 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 428705928:
23 × 32 × 7 × 641 × 1327
(2 × 2 × 2 × 3 × 3 × 7 × 641 × 1327)See below for interesting mathematical facts about the number 428705928 from the Numbermatics database.
Names of 428705928
- Cardinal: 428705928 can be written as Four hundred twenty-eight million, seven hundred five thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 4.28705928 × 108
Factors of 428705928
Divisors of 428705928
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 641 1282 1327 1923 2564 2654 3846 3981 4487 5128 5308 5769 7692 7962 8974 9289 10616 11538 11943 13461 15384 15924 17948 18578 23076 23886 26922 27867 31848 35896 37156 40383 46152 47772 53844 55734 74312 80766 83601 95544 107688 111468 161532 167202 222936 323064 334404 668808 850607 1701214 2551821 3402428 5103642 5954249 6804856 7655463 10207284 11908498 15310926 17862747 20414568 23816996 30621852 35725494 47633992 53588241 61243704 71450988 107176482 142901976 214352964 428705928
- Sum of all divisors σ(n): 1330018560
- Sum of proper divisors (its aliquot sum) s(n): 901312632
- 428705928 is an abundant number, because the sum of its proper divisors (901312632) is greater than itself. Its abundance is 472606704
Bases of 428705928
- Binary: 110011000110110001000100010002
- Hexadecimal: 0x198D8888
- Base-36: 738NM0
Squares and roots of 428705928
- 428705928 squared (4287059282) is 183788772702341184
- 428705928 cubed (4287059283) is 78791336357338245059338752
-
The
square root of 428705928 is 20705.2149952615 -
The
cube root of 428705928 is 754.0263038243
Scales and comparisons
How big is 428705928?- 428,705,928 seconds is equal to 13 years, 32 weeks, 5 days, 20 hours, 58 minutes, 48 seconds.
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To count from 1 to 428,705,928 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 428705928 cubic inches would be around 62.8 feet tall.
Recreational maths with 428705928
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The information we have on file for 428705928 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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