428705664
428,705,664 is an even composite number composed of five prime numbers multiplied together.
428705664 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 428705664:
27 × 3 × 19 × 67 × 877
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 19 × 67 × 877)See below for interesting mathematical facts about the number 428705664 from the Numbermatics database.
Names of 428705664
- Cardinal: 428705664 can be written as Four hundred twenty-eight million, seven hundred five thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 4.28705664 × 108
Factors of 428705664
Divisors of 428705664
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 6 8 12 16 19 24 32 38 48 57 64 67 76 96 114 128 134 152 192 201 228 268 304 384 402 456 536 608 804 877 912 1072 1216 1273 1608 1754 1824 2144 2432 2546 2631 3216 3508 3648 3819 4288 5092 5262 6432 7016 7296 7638 8576 10184 10524 12864 14032 15276 16663 20368 21048 25728 28064 30552 33326 40736 42096 49989 56128 58759 61104 66652 81472 84192 99978 112256 117518 122208 133304 162944 168384 176277 199956 235036 244416 266608 336768 352554 399912 470072 488832 533216 705108 799824 940144 1066432 1116421 1410216 1599648 1880288 2132864 2232842 2820432 3199296 3349263 3760576 4465684 5640864 6398592 6698526 7521152 8931368 11281728 13397052 17862736 22563456 26794104 35725472 53588208 71450944 107176416 142901888 214352832 428705664
- Sum of all divisors σ(n): 1217961600
- Sum of proper divisors (its aliquot sum) s(n): 789255936
- 428705664 is an abundant number, because the sum of its proper divisors (789255936) is greater than itself. Its abundance is 360550272
Bases of 428705664
- Binary: 110011000110110000111100000002
- Hexadecimal: 0x198D8780
- Base-36: 738NEO
Squares and roots of 428705664
- 428705664 squared (4287056642) is 183788546345680896
- 428705664 cubed (4287056643) is 78791190796719902051794944
-
The
square root of 428705664 is 20705.2086200551 -
The
cube root of 428705664 is 754.0261490461
Scales and comparisons
How big is 428705664?- 428,705,664 seconds is equal to 13 years, 32 weeks, 5 days, 20 hours, 54 minutes, 24 seconds.
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To count from 1 to 428,705,664 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 428705664 cubic inches would be around 62.8 feet tall.
Recreational maths with 428705664
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