668899641168

Names of 668899641168

• Cardinal: 668899641168 can be written as Six hundred sixty-eight billion, eight hundred ninety-nine million, six hundred forty-one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.68899641168 × 10¹¹

Factors of 668899641168

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 277

Divisors of 668899641168

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 33 36 38 44 48 54 57 61 66 72 76 88 99 108 114 121 122 132 144 152 171 176 181 183 198 209 216 228 242 244 264 297 304 342 362 363 366 396 418 432 456 484 488 513 528 543 549 594 627 671 684 724 726 732 792 836 912 968 976 1026 1086 1089 1098 1159 1188 1254 1342 1368 1448 1452 1464 1584 1629 1647 1672 1881 1936 1991 2013 2052 2172 2178 2196 2299 2318 2376 2508 2684 2736 2896 2904 2928 3258 3267 3294 3344 3439 3477 3721 3762 3982 4026 4104 4344 4356 4392 4598 4636 4752 4887 5016 5368 5643 5808 5973 6039 6516 6534 6588 6878 6897 6954 7381 7442 7524 7964 8052 8208 8688 8712 8784 9196 9272 9774 10032 10317 10431 10736 11041 11163 11286 11946 12078 12749 13032 13068 13176 13756 13794 13908 14762 14884 15048 15928 16104 17424 17919 18117 18392 18544 19548 20634 20691 20862 21901 22082 22143 22326 22572 23892 24156 25498 26064 26136 26352 27512 27588 27816 29524 29768 30096 30951 31293 31856 32208 33123 33489 35838 36234 36784 37829 38247 39096 40931 41268 41382 41724 43802 44164 44286 44652 45144 47784 48312 50996 52272 53757 55024 55176 55632 59048 59536 61902 62073 62586 65703 66246 66429 66978 70699 71676 72468 75658 76494 78192 81862 82536 82764 83448 87604 88328 88572 89304 90288 92853 95568 96624 99369 100467 101992 107514 110352 113487 114741 118096 121451 122793 123804 124146 125172 131406 132492 132858 133956 140239 141398 143352 144936 151316 152988 163724 165072 165528 166896 175208 176656 177144 178608 185706 197109 198738 199287 200934 203984 209779 212097 215028 226974 229482 242902 245586 247608 248292 250344 262812 264984 265716 267912 280478 282796 286704 289872 298107 302632 305976 327448 331056 340461 344223 350416 354288 364353 368379 371412 394218 397476 398574 401868 416119 419558 420717 424194 430056 450241 453948 458964 485804 491172 495216 496584 500688 525624 529968 531432 535824 560956 565592 591327 596214 605264 611952 629337 636291 654896 673501 680922 688446 728706 736758 742824 777689 788436 794952 797148 803736 832238 839116 841434 848388 860112 900482 907896 917928 971608 982344 993168 1021383 1051248 1062864 1093059 1105137 1121912 1131184 1182654 1192428 1248357 1258674 1262151 1272582 1335961 1347002 1350723 1361844 1376892 1457412 1473516 1485648 1555378 1576872 1589904 1594296 1607472 1664476 1678232 1682868 1696776 1800964 1815792 1835856 1888011 1908873 1943216 1964688 2020503 2042766 2186118 2210274 2243824 2307569 2333067 2365308 2384856 2496714 2517348 2524302 2545164 2671922 2694004 2701446 2723688 2753784 2914824 2947032 3110756 3153744 3188592 3279177 3328952 3356464 3365736 3393552 3601928 3745071 3776022 3786453 3817746 4007883 4041006 4052169 4085532 4372236 4420548 4615138 4666134 4730616 4769712 4993428 5034696 5048604 5090328 5343844 5388008 5402892 5447376 5507568 5664033 5829648 5894064 6061509 6221512 6558354 6657904 6731472 6922707 6999201 7203856 7408511 7490142 7552044 7572906 7635492 8015766 8082012 8104338 8171064 8554579 8744472 8841096 9230276 9332268 9461232 9986856 10069392 10097208 10180656 10687688 10776016 10805784 11235213 11328066 12023649 12123018 12156507 12443024 12796519 13116708 13845414 13998402 14817022 14980284 15104088 15145812 15270984 16031532 16164024 16208676 16342128 17109158 17488944 17682192 18184527 18460552 18664536 19973712 20194416 20768121 20997603 21375376 21611568 22225533 22470426 22656132 24047298 24246036 24313014 25383259 25593038 25663737 26233416 27690828 27996804 29634044 29960568 30208176 30291624 30541968 32063064 32328048 32417352 34218316 36070947 36369054 36921104 37329072 38389557 41536242 41995206 44451066 44940852 45312264 48094596 48492072 48626028 50766518 51186076 51327474 52466832 55381656 55993608 59268088 59921136 60583248 62304363 64126128 64834704 66676599 68436632 72141894 72738108 76149777 76779114 76991211 81493621 83072484 83990412 88902132 89881704 90624528 96189192 96984144 97252056 101533036 102372152 102654948 110763312 111987216 115168671 118536176 124608726 133353198 136873264 140761709 144283788 145476216 152299554 153558228 153982422 162987242 166144968 167980824 177804264 179763408 192378384 194504112 200029797 203066072 204744304 205309896 228449331 230337342 230973633 244480863 249217452 266706396 281523418 288567576 290952432 304599108 307116456 307964844 325974484 332289936 335961648 345506013 355608528 400059594 406132144 410619792 422285127 456898662 460674684 461947266 488961726 498434904 533412792 563046836 577135152 609198216 614232912 615929688 651948968 685347993 691012026 733442589 800119188 844570254 913797324 921349368 923894532 977923452 996869808 1066825584 1126093672 1218396432 1231859376 1266855381 1303897936 1370695986 1382024052 1466885178 1548378799 1600238376 1689140508 1827594648 1842698736 1847789064 1955846904 2200327767 2252187344 2533710762 2741391972 2764048104 2933770356 3096757598 3200476752 3378281016 3655189296 3695578128 3800566143 3911693808 4400655534 4645136397 5067421524 5482783944 5528096208 5867540712 6193515196 6756562032 7601132286 8801311068 9290272794 10134843048 10965567888 11735081424 12387030392 13935409191 15202264572 17602622136 18580545588 20269686096 24774060784 27870818382 30404529144 35205244272 37161091176 41806227573 55741636764 60809058288 74322182352 83612455146 111483273528 167224910292 222966547056 334449820584 668899641168
• Sum of all divisors σ(n): 2270968190400
• Sum of proper divisors (its aliquot sum) s(n): 1602068549232
• 668899641168 is an abundant number, because the sum of its proper divisors (1602068549232) is greater than itself. Its abundance is 933168908064

Bases of 668899641168

• Binary: 1001101110111101100001101000011101010000₂
• Hexadecimal: 0x9BBD868750
• Base-36: 8JADKQC0

Squares and roots of 668899641168

• 668899641168 squared (668899641168²) is 447426729954679160404224
• 668899641168 cubed (668899641168³) is 299283579115656527296952947431493632
• The square root of 668899641168 is 817862.8498519787
• The cube root of 668899641168 is 8745.5471925315

Scales and comparisons

• 668,899,641,168 seconds is equal to 21,268 years, 48 weeks, 5 days, 23 hours, 52 minutes, 48 seconds.
• To count from 1 to 668,899,641,168 would take you about forty-two thousand, five hundred thirty-seven 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 668899641168 cubic inches would be around 728.8 feet tall.

Recreational maths with 668899641168

• 668899641168 backwards is 861146998866
• 668899641168 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668899641168's digits is 72
• More coming soon!