668399057335728

Names of 668399057335728

• Cardinal: 668399057335728 can be written as Six hundred sixty-eight trillion, three hundred ninety-nine billion, fifty-seven million, three hundred thirty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.68399057335728 × 10¹⁴

Factors of 668399057335728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3892

Divisors of 668399057335728

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 19 24 27 34 36 38 48 51 54 57 68 72 76 102 108 114 136 144 152 153 171 204 216 228 272 289 304 306 323 342 361 408 432 456 459 513 578 612 646 684 722 816 867 912 918 969 1026 1083 1156 1224 1292 1368 1444 1734 1836 1938 2052 2166 2312 2448 2584 2601 2736 2888 2907 3249 3468 3672 3851 3876 4104 4332 4624 5168 5202 5491 5776 5814 6137 6498 6936 7344 7702 7752 7803 8208 8664 8721 9747 10404 10982 11553 11628 12274 12996 13872 15404 15504 15606 16473 17328 17442 18411 19494 20808 21964 23106 23256 24548 25992 30808 31212 32946 34659 34884 36822 38988 41616 43928 46212 46512 49096 49419 51984 55233 61616 62424 65467 65892 69318 69768 73169 73644 77976 87856 92424 98192 98838 103977 104329 110466 124848 130934 131784 138636 139536 146338 147288 148257 155952 165699 184848 196401 197676 207954 208658 219507 220932 261868 263568 277272 292676 294576 296514 312987 331398 392802 395352 415908 417316 439014 441864 523736 554544 585352 589203 593028 625974 658521 662796 785604 790704 831816 834632 878028 883728 938961 1047472 1112939 1170704 1178406 1186056 1243873 1251948 1317042 1325592 1390211 1571208 1663632 1669264 1756056 1767609 1877922 1975563 2225878 2356812 2372112 2487746 2503896 2634084 2651184 2780422 2816883 3142416 3338817 3512112 3535218 3731619 3755844 3951126 4170633 4451756 4713624 4975492 5007792 5268168 5560844 5633766 6677634 7070436 7463238 7511688 7902252 8341266 8903512 9427248 9950984 10016451 10536336 11121688 11194857 11267532 12511899 13355268 14140872 14830201 14926476 15023376 15804504 16682532 17807024 19901968 20032902 21145841 22243376 22389714 22535064 23633587 25023798 26710536 28281744 29660402 29852952 30049353 31609008 33365064 33584571 37535697 40065804 42291682 44490603 44779428 45070128 47267174 50047596 53421072 59320804 59705904 60098706 63437523 66730128 67169142 70900761 75071394 80131608 84583364 88981206 89558856 94534348 100095192 118641608 120197412 126875046 133471809 134338284 141801522 150142788 160263216 169166728 177962412 179117712 189068696 190312569 200190384 212702283 237283216 240394824 252113417 253750092 266943618 268676568 281773819 283603044 300285576 338333456 355924824 378137392 380625138 400415427 401770979 425404566 480789648 504226834 507500184 533887236 537353136 563547638 567206088 570937707 600571152 638106849 711849648 756340251 761250276 800830854 803541958 845321457 850809132 1008453668 1015000368 1067774472 1127095276 1134412176 1141875414 1205312937 1276213698 1512680502 1522500552 1601661708 1607083916 1690642914 1701618264 2016907336 2135548944 2254190552 2269020753 2283750828 2410625874 2535964371 2552427396 3025361004 3045001104 3203323416 3214167832 3381285828 3403236528 3615938811 4033814672 4285928089 4508381104 4538041506 4567501656 4790154923 4821251748 5071928742 5104854792 5353702561 6050722008 6406646832 6428335664 6762571656 6807062259 7231877622 7607893113 8571856178 9076083012 9135003312 9580309846 9642503496 10143857484 10209709584 10707405122 10847816433 12101444016 12857784267 13525143312 13614124518 14370464769 14463755244 15215786226 16061107683 17143712356 18152166024 19160619692 19285006992 20287714968 21414810244 21695632866 25715568534 27228249036 28740929538 28927510488 30431572452 32122215366 34287424712 36304332048 38321239384 38573352801 40575429936 42829620488 43111394307 43391265732 48183323049 51431137068 54456498072 57481859076 57855020976 60863144904 64244430732 68574849424 76642478768 77146705602 81432633691 85659240976 86222788614 86782531464 91012943537 96366646098 102862274136 108912996144 114963718152 115720058403 121726289808 128488861464 129334182921 144549969147 154293411204 162865267382 172445577228 173565062928 182025887074 192733292196 205724548272 229927436304 231440116806 244297901073 256977722928 258668365842 273038830611 289099938294 308586822408 325730534764 344891154456 364051774148 385466584392 462880233612 488595802146 517336731684 546077661222 578199876588 617173644816 651461069528 689782308912 728103548296 732893703219 770933168784 819116491833 925760467224 977191604292 1034673463368 1092155322444 1156399753176 1302922139056 1456207096592 1465787406438 1547220040129 1638232983666 1851520934448 1954383208584 2069346926736 2184310644888 2198681109657 2312799506352 2457349475499 2931574812876 3094440080258 3276465967332 3908766417168 4368621289776 4397362219314 4641660120387 4914698950998 5863149625752 6188880160516 6552931934664 8794724438628 9283320240774 9829397901996 11726299251504 12377760321032 13105863869328 13924980361161 17589448877256 18566640481548 19658795803992 24755520642064 27849960722322 35178897754512 37133280963096 39317591607984 41774941083483 55699921444644 74266561926192 83549882166966 111399842889288 167099764333932 222799685778576 334199528667864 668399057335728
• Sum of all divisors σ(n): 2151517399791240
• Sum of proper divisors (its aliquot sum) s(n): 1483118342455512
• 668399057335728 is an abundant number, because the sum of its proper divisors (1483118342455512) is greater than itself. Its abundance is 814719285119784

Bases of 668399057335728

• Binary: 10010111111110011111001000011000010111010110110000₂
• Hexadecimal: 0x25FE7C86175B0
• Base-36: 6KXEAD6OC0

Squares and roots of 668399057335728

• 668399057335728 squared (668399057335728²) is 446757299847289806329705289984
• 668399057335728 cubed (668399057335728³) is 298612158075783685319618559012676442683748352
• The square root of 668399057335728 is 25853414.8099574653
• The cube root of 668399057335728 is 87433.6501561297

Scales and comparisons

• 668,399,057,335,728 seconds is equal to 21,253,022 years, 27 weeks, 3 days, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 668,399,057,335,728 would take you about fifty-three million, one hundred thirty-two thousand, five hundred fifty-six 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 668399057335728 cubic inches would be around 7286.1 feet tall.

Recreational maths with 668399057335728

• 668399057335728 backwards is 827533750993866
• The number of decimal digits it has is: 15
• The sum of 668399057335728's digits is 81
• More coming soon!