428901864
428,901,864 is an even composite number composed of six prime numbers multiplied together.
428901864 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 428901864:
23 × 3 × 31 × 53 × 73 × 149
(2 × 2 × 2 × 3 × 31 × 53 × 73 × 149)See below for interesting mathematical facts about the number 428901864 from the Numbermatics database.
Names of 428901864
- Cardinal: 428901864 can be written as Four hundred twenty-eight million, nine hundred one thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 4.28901864 × 108
Factors of 428901864
Divisors of 428901864
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 12 24 31 53 62 73 93 106 124 146 149 159 186 212 219 248 292 298 318 372 424 438 447 584 596 636 744 876 894 1192 1272 1643 1752 1788 2263 3286 3576 3869 4526 4619 4929 6572 6789 7738 7897 9052 9238 9858 10877 11607 13144 13578 13857 15476 15794 18104 18476 19716 21754 23214 23691 27156 27714 30952 31588 32631 36952 39432 43508 46428 47382 54312 55428 63176 65262 87016 92856 94764 110856 119939 130524 189528 239878 244807 261048 337187 359817 479756 489614 576481 674374 719634 734421 959512 979228 1011561 1152962 1348748 1439268 1468842 1729443 1958456 2023122 2305924 2697496 2878536 2937684 3458886 4046244 4611848 5875368 6917772 8092488 13835544 17870911 35741822 53612733 71483644 107225466 142967288 214450932 428901864
- Sum of all divisors σ(n): 1150848000
- Sum of proper divisors (its aliquot sum) s(n): 721946136
- 428901864 is an abundant number, because the sum of its proper divisors (721946136) is greater than itself. Its abundance is 293044272
Bases of 428901864
- Binary: 110011001000010000101111010002
- Hexadecimal: 0x199085E8
- Base-36: 73CUSO
Squares and roots of 428901864
- 428901864 squared (4289018642) is 183956808942674496
- 428901864 cubed (4289018643) is 78899418251004960479660544
-
The
square root of 428901864 is 20709.9460163469 -
The
cube root of 428901864 is 754.1411598643
Scales and comparisons
How big is 428901864?- 428,901,864 seconds is equal to 13 years, 33 weeks, 1 day, 3 hours, 24 minutes, 24 seconds.
-
To count from 1 to 428,901,864 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 428901864 cubic inches would be around 62.8 feet tall.
Recreational maths with 428901864
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