428990121
428,990,121 is an odd composite number composed of six prime numbers multiplied together.
428990121 is an odd 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 428990121:
33 × 7 × 17 × 31 × 59 × 73
(3 × 3 × 3 × 7 × 17 × 31 × 59 × 73)See below for interesting mathematical facts about the number 428990121 from the Numbermatics database.
Names of 428990121
- Cardinal: 428990121 can be written as Four hundred twenty-eight million, nine hundred ninety thousand, one hundred twenty-one.
Scientific notation
- Scientific notation: 4.28990121 × 108
Factors of 428990121
Divisors of 428990121
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 9 17 21 27 31 51 59 63 73 93 119 153 177 189 217 219 279 357 413 459 511 527 531 651 657 837 1003 1071 1239 1241 1533 1581 1593 1829 1953 1971 2263 3009 3213 3689 3717 3723 4307 4599 4743 5487 5859 6789 7021 8687 9027 11067 11151 11169 12803 12921 13797 14229 15841 16461 20367 21063 26061 27081 30149 31093 33201 33507 38409 38471 38763 47523 49383 61101 63189 73219 78183 90447 93279 99603 115227 115413 116289 133517 142569 189567 217651 219657 234549 269297 271341 279837 345681 346239 400551 427707 512533 652953 658971 807891 814023 839511 934619 1038717 1201653 1537599 1958859 1976913 2269789 2423673 2803857 3604959 4612797 5876577 6809367 7271019 8411571 13838391 15888523 20428101 25234713 47665569 61284303 142996707 428990121
- Sum of all divisors σ(n): 818380800
- Sum of proper divisors (its aliquot sum) s(n): 389390679
- 428990121 is a deficient number, because the sum of its proper divisors (389390679) is less than itself. Its deficiency is 39599442
Bases of 428990121
- Binary: 110011001000111011110101010012
- Hexadecimal: 0x1991DEA9
- Base-36: 73EQW9
Squares and roots of 428990121
- 428990121 squared (4289901212) is 184032523915594641
- 428990121 cubed (4289901213) is 78948134702486338829541561
-
The
square root of 428990121 is 20712.0766945277 -
The
cube root of 428990121 is 754.1928839511
Scales and comparisons
How big is 428990121?- 428,990,121 seconds is equal to 13 years, 33 weeks, 2 days, 3 hours, 55 minutes, 21 seconds.
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To count from 1 to 428,990,121 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 428990121 cubic inches would be around 62.8 feet tall.
Recreational maths with 428990121
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