388419330
388,419,330 is an even composite number composed of seven prime numbers multiplied together.
388419330 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 388419330:
2 × 3 × 5 × 13 × 29 × 61 × 563
See below for interesting mathematical facts about the number 388419330 from the Numbermatics database.
Names of 388419330
- Cardinal: 388419330 can be written as Three hundred eighty-eight million, four hundred nineteen thousand, three hundred thirty.
Scientific notation
- Scientific notation: 3.8841933 × 108
Factors of 388419330
Divisors of 388419330
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 10 13 15 26 29 30 39 58 61 65 78 87 122 130 145 174 183 195 290 305 366 377 390 435 563 610 754 793 870 915 1126 1131 1586 1689 1769 1830 1885 2262 2379 2815 3378 3538 3770 3965 4758 5307 5630 5655 7319 7930 8445 8845 10614 11310 11895 14638 16327 16890 17690 21957 22997 23790 26535 32654 34343 36595 43914 45994 48981 53070 68686 68991 73190 81635 97962 103029 109785 114985 137982 163270 171715 206058 212251 219570 229970 244905 343430 344955 424502 446459 489810 515145 636753 689910 892918 995947 1030290 1061255 1273506 1339377 1991894 2122510 2232295 2678754 2987841 3183765 4464590 4979735 5975682 6367530 6696885 9959470 12947311 13393770 14939205 25894622 29878410 38841933 64736555 77683866 129473110 194209665 388419330
- Sum of all divisors σ(n): 1057432320
- Sum of proper divisors (its aliquot sum) s(n): 669012990
- 388419330 is an abundant number, because the sum of its proper divisors (669012990) is greater than itself. Its abundance is 280593660
Bases of 388419330
- Binary: 101110010011011001111000000102
- Hexadecimal: 0x1726CF02
- Base-36: 6F969U
Squares and roots of 388419330
- 388419330 squared (3884193302) is 150869575917648900
- 388419330 cubed (3884193303) is 58600659595317320913237000
-
The
square root of 388419330 is 19708.3568569275 -
The
cube root of 388419330 is 729.6259608807
Scales and comparisons
How big is 388419330?- 388,419,330 seconds is equal to 12 years, 18 weeks, 1 day, 14 hours, 15 minutes, 30 seconds.
-
To count from 1 to 388,419,330 would take you about eighteen 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 388419330 cubic inches would be around 60.8 feet tall.
Recreational maths with 388419330
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