642168324
642,168,324 is an even composite number composed of five prime numbers multiplied together.
642168324 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 642168324:
22 × 35 × 72 × 97 × 139
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 97 × 139)See below for interesting mathematical facts about the number 642168324 from the Numbermatics database.
Names of 642168324
- Cardinal: 642168324 can be written as Six hundred forty-two million, one hundred sixty-eight thousand, three hundred twenty-four.
Scientific notation
- Scientific notation: 6.42168324 × 108
Factors of 642168324
Divisors of 642168324
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 97 98 108 126 139 147 162 189 194 196 243 252 278 291 294 324 378 388 417 441 486 556 567 582 588 679 756 834 873 882 972 973 1134 1164 1251 1323 1358 1668 1701 1746 1764 1946 2037 2268 2502 2619 2646 2716 2919 3402 3492 3753 3892 3969 4074 4753 5004 5238 5292 5838 6111 6804 6811 7506 7857 7938 8148 8757 9506 10476 11259 11676 11907 12222 13483 13622 14259 15012 15714 15876 17514 18333 19012 20433 22518 23571 23814 24444 26271 26966 27244 28518 31428 33777 35028 36666 40449 40866 42777 45036 47142 47628 52542 53932 54999 57036 61299 67554 73332 78813 80898 81732 85554 94284 94381 105084 109998 121347 122598 128331 135108 157626 161796 164997 171108 183897 188762 219996 236439 242694 245196 256662 283143 315252 329994 364041 367794 377524 384993 472878 485388 513324 551691 566286 659988 660667 728082 735588 769986 849429 945756 1092123 1103382 1132572 1154979 1321334 1456164 1539972 1655073 1698858 1982001 2184246 2206764 2309958 2548287 2642668 3276369 3310146 3397716 3964002 4368492 4619916 5096574 5946003 6552738 6620292 7644861 7928004 10193148 11892006 13105476 15289722 17838009 22934583 23784012 30579444 35676018 45869166 53514027 71352036 91738332 107028054 160542081 214056108 321084162 642168324
- Sum of all divisors σ(n): 1992637920
- Sum of proper divisors (its aliquot sum) s(n): 1350469596
- 642168324 is an abundant number, because the sum of its proper divisors (1350469596) is greater than itself. Its abundance is 708301272
Bases of 642168324
- Binary: 1001100100011010110110000001002
- Hexadecimal: 0x2646B604
- Base-36: AMBW90
Squares and roots of 642168324
- 642168324 squared (6421683242) is 412380156348968976
- 642168324 cubed (6421683243) is 264817473853475366445916224
-
The
square root of 642168324 is 25341.0403101373 -
The
cube root of 642168324 is 862.7460107311
Scales and comparisons
How big is 642168324?- 642,168,324 seconds is equal to 20 years, 21 weeks, 5 days, 12 hours, 5 minutes, 24 seconds.
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To count from 1 to 642,168,324 would take you about thirty 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 642168324 cubic inches would be around 71.9 feet tall.
Recreational maths with 642168324
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