664538490
664,538,490 is an even composite number composed of seven prime numbers multiplied together.
664538490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 664538490:
2 × 32 × 5 × 73 × 11 × 19 × 103
(2 × 3 × 3 × 5 × 7 × 7 × 7 × 11 × 19 × 103)See below for interesting mathematical facts about the number 664538490 from the Numbermatics database.
Names of 664538490
- Cardinal: 664538490 can be written as Six hundred sixty-four million, five hundred thirty-eight thousand, four hundred ninety.
Scientific notation
- Scientific notation: 6.6453849 × 108
Factors of 664538490
Divisors of 664538490
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 14 15 18 19 21 22 30 33 35 38 42 45 49 55 57 63 66 70 77 90 95 98 99 103 105 110 114 126 133 147 154 165 171 190 198 206 209 210 231 245 266 285 294 309 315 330 342 343 385 399 418 441 462 490 495 515 539 570 618 627 630 665 686 693 721 735 770 798 855 882 927 931 990 1029 1030 1045 1078 1133 1155 1197 1254 1330 1386 1442 1463 1470 1545 1617 1710 1715 1854 1862 1881 1957 1995 2058 2090 2163 2205 2266 2310 2394 2695 2793 2926 3087 3090 3135 3234 3399 3430 3465 3605 3762 3773 3914 3990 4326 4389 4410 4635 4655 4851 5047 5145 5390 5586 5665 5871 5985 6174 6270 6489 6517 6798 6930 7210 7315 7546 7931 8085 8379 8778 9270 9310 9405 9702 9785 10094 10197 10241 10290 10815 11319 11330 11742 11970 12978 13034 13167 13699 13965 14630 15141 15435 15862 16170 16758 16995 17613 18810 18865 19551 19570 20394 20482 21527 21630 21945 22638 23793 24255 25235 26334 27398 27930 29355 30282 30723 30870 32445 32585 33957 33990 35226 35329 37730 39102 39655 41097 41895 43054 43890 45423 47586 48510 50470 50985 51205 55517 56595 58653 58710 61446 64581 64890 65170 65835 67914 68495 70658 71379 71687 75705 79310 82194 83790 88065 90846 92169 95893 97755 101970 102410 105987 107635 111034 113190 117306 118965 123291 129162 131670 136990 142758 143374 150689 151410 153615 166551 169785 176130 176645 184338 191786 193743 195510 205485 211974 215061 215270 227115 237930 246582 277585 287679 293265 301378 307230 317961 322905 333102 339570 353290 356895 358435 387486 388619 410970 430122 452067 454230 460845 479465 499653 529935 555170 575358 586530 616455 635922 645183 645810 671251 713790 716870 753445 777238 832755 863037 904134 921690 958930 968715 999306 1054823 1059870 1075305 1165857 1232910 1290366 1342502 1356201 1438395 1506890 1589805 1665510 1726074 1937430 1943095 2013753 2109646 2150610 2260335 2331714 2498265 2712402 2876790 3164469 3179610 3225915 3356255 3497571 3886190 4027506 4315185 4520670 4996530 5274115 5829285 6041259 6328938 6451830 6712510 6781005 6995142 7383761 8630370 9493407 10068765 10548230 11658570 12082518 13562010 14767522 15822345 17487855 18986814 20137530 22151283 30206295 31644690 34975710 36918805 44302566 47467035 60412590 66453849 73837610 94934070 110756415 132907698 221512830 332269245 664538490
- Sum of all divisors σ(n): 2336256000
- Sum of proper divisors (its aliquot sum) s(n): 1671717510
- 664538490 is an abundant number, because the sum of its proper divisors (1671717510) is greater than itself. Its abundance is 1007179020
Bases of 664538490
- Binary: 1001111001110000001101011110102
- Hexadecimal: 0x279C0D7A
- Base-36: AZND6I
Squares and roots of 664538490
- 664538490 squared (6645384902) is 441611404691480100
- 664538490 cubed (6645384903) is 293467776040455101519049000
-
The
square root of 664538490 is 25778.6440682981 -
The
cube root of 664538490 is 872.6499070565
Scales and comparisons
How big is 664538490?- 664,538,490 seconds is equal to 21 years, 6 weeks, 5 days, 10 hours, 1 minute, 30 seconds.
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To count from 1 to 664,538,490 would take you about thirty-one 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 664538490 cubic inches would be around 72.7 feet tall.
Recreational maths with 664538490
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