668512703040

Names of 668512703040

• Cardinal: 668512703040 can be written as Six hundred sixty-eight billion, five hundred twelve million, seven hundred three thousand and forty.

Scientific notation

• Scientific notation: 6.6851270304 × 10¹¹

Factors of 668512703040

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 801

Divisors of 668512703040

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 61 64 65 70 78 80 84 91 96 104 105 112 120 122 130 140 156 160 168 182 183 192 195 208 210 224 240 244 260 273 280 305 312 320 331 336 364 366 379 390 416 420 427 448 455 480 488 520 546 560 610 624 662 672 728 732 758 780 793 832 840 854 910 915 960 976 993 1040 1092 1120 1137 1220 1248 1281 1324 1344 1365 1456 1464 1516 1560 1586 1655 1680 1708 1820 1830 1895 1952 1986 2080 2135 2184 2240 2274 2317 2379 2440 2496 2562 2648 2653 2730 2912 2928 3032 3120 3172 3310 3360 3416 3640 3660 3790 3904 3965 3972 4160 4270 4303 4368 4548 4634 4758 4880 4927 4965 5124 5296 5306 5460 5551 5685 5824 5856 6064 6240 6344 6405 6620 6720 6832 6951 7280 7320 7580 7930 7944 7959 8540 8606 8736 9096 9268 9516 9760 9854 9930 10248 10592 10612 10920 11102 11370 11585 11712 11895 12128 12480 12688 12810 12909 13240 13265 13664 13902 14560 14640 14781 15160 15860 15888 15918 16653 17080 17212 17472 18192 18536 19032 19520 19708 19860 20191 20496 21184 21224 21515 21840 22204 22740 23119 23170 23790 24256 24635 25376 25620 25818 26480 26530 27328 27755 27804 29120 29280 29562 30121 30320 31720 31776 31836 33306 34160 34424 34489 34755 36384 37072 38064 39416 39720 39795 40382 40992 42448 43030 43680 44408 45480 46238 46340 47580 49270 50752 51240 51636 52960 53060 55510 55608 58560 59124 60242 60573 60640 63440 63552 63672 64545 66612 68320 68848 68978 69357 69510 72768 73905 74144 76128 78832 79440 79590 80764 81984 83265 84896 86060 87360 88816 90363 90960 92476 92680 95160 98540 100955 102480 103272 103467 105920 106120 111020 111216 115595 118248 120484 121146 121280 125449 126880 127344 129090 133224 136640 137696 137956 138714 139020 141337 147810 148288 150605 152256 157664 158880 159180 161528 161833 166530 169792 172120 172445 177632 180726 181920 184952 185360 190320 197080 201910 204960 206544 206934 212240 222040 222432 231190 236496 240968 242292 250898 253760 254688 258180 262483 266448 275392 275912 277428 278040 282674 295620 300547 301210 302865 315328 317760 318360 323056 323666 333060 344240 344890 346785 355264 361452 363840 369904 370720 376347 380640 394160 403820 409920 413088 413868 424011 424480 444080 444864 451815 462380 472992 481936 484584 485499 501796 509376 516360 517335 524966 532896 551824 554856 556080 565348 591240 601094 602420 605730 627245 636720 646112 647332 666120 688480 689780 693570 706685 722904 739808 741440 752694 761280 787449 788320 807640 809165 826176 827736 848022 848960 878143 888160 901641 903630 924760 945984 963872 969168 970998 1003592 1032720 1034670 1049932 1065792 1103648 1109712 1112160 1130696 1182480 1202188 1204840 1211460 1254490 1273440 1292224 1294664 1312415 1332240 1376960 1379560 1387140 1413370 1445808 1479616 1502735 1505388 1574898 1576640 1615280 1618330 1630837 1655472 1696044 1756286 1776320 1803282 1807260 1837381 1849520 1881735 1927744 1938336 1941996 2007184 2065440 2069340 2099864 2103829 2120055 2207296 2219424 2224320 2261392 2364960 2404376 2409680 2422920 2427495 2508980 2546880 2589328 2624830 2634429 2664480 2759120 2774280 2826740 2891616 3005470 3010776 3149796 3230560 3236660 3261674 3310944 3392088 3512572 3606564 3614520 3674762 3699040 3763470 3876672 3883992 3937245 4014368 4130880 4138680 4199728 4207658 4240110 4390715 4438848 4508205 4522784 4729920 4808752 4819360 4845840 4854990 4892511 5017960 5178656 5249660 5268858 5328960 5512143 5518240 5548560 5653480 5783232 6010940 6021552 6299592 6311487 6461120 6473320 6523348 6621888 6784176 7025144 7213128 7229040 7349524 7398080 7526940 7652389 7767984 7874490 8028736 8154185 8277360 8399456 8415316 8480220 8781430 9016410 9045568 9186905 9617504 9638720 9691680 9709980 9785022 10035920 10357312 10499320 10519145 10537716 11024286 11036480 11097120 11306960 11415859 12021880 12043104 12599184 12622974 12946640 13046696 13172145 13568352 14050288 14426256 14458080 14699048 15053880 15304778 15535968 15748980 16308370 16554720 16798912 16830632 16960440 17562860 18032820 18373810 19235008 19383360 19419960 19570044 20071840 20998640 21038290 21075432 22048572 22194240 22613920 22831718 22957167 24043760 24086208 24462555 25198368 25245948 25893280 26093392 26344290 27136704 27560715 28100576 28852512 28916160 29398096 30107760 30609556 31071936 31497960 31557435 32616740 33109440 33661264 33920880 34247577 35125720 36065640 36747620 38261945 38839920 39140088 40143680 41997280 42076580 42150864 44097144 45227840 45663436 45914334 48087520 48925110 50396736 50491896 51786560 52186784 52688580 53566723 55121430 56201152 57079295 57705024 58796192 60215520 61219112 62995920 63114870 65233480 67322528 67841760 68495154 70251440 72131280 73495240 76523890 77679840 78280176 83994560 84153160 84301728 88194288 91326872 91828668 96175040 97850220 99481057 100983792 104373568 105377160 107133446 110242860 114158590 114785835 117592384 120431040 122438224 125991840 126229740 130466960 134645056 135683520 136990308 140502880 144262560 146990480 153047780 155359680 156560352 160700169 168306320 168603456 171237885 176388576 182653744 183657336 195700440 198962114 201967584 210754320 214266892 220485720 228317180 229571670 244876448 251983680 252459480 260933920 267833615 273980616 281005760 288525120 293980960 298443171 306095560 313120704 321400338 336612640 342475770 352777152 365307488 367314672 391400880 397924228 403935168 421508640 428533784 440971440 456634360 459143340 489752896 497405285 504918960 521867840 535667230 547961232 587961920 596886342 612191120 642800676 673225280 684951540 696367399 730614976 734629344 782801760 795848456 803500845 843017280 857067568 881942880 913268720 918286680 994810570 1009837920 1071334460 1095922464 1193772684 1224382240 1285601352 1369903080 1392734798 1469258688 1492215855 1565603520 1591696912 1607001690 1714135136 1763885760 1826537440 1836573360 1989621140 2019675840 2089102197 2142668920 2191844928 2387545368 2448764480 2571202704 2739806160 2785469596 2984431710 3183393824 3214003380 3428270272 3481836995 3653074880 3673146720 3979242280 4178204394 4285337840 4775090736 5142405408 5479612320 5570939192 5968863420 6366787648 6428006760 6963673990 7346293440 7958484560 8356408788 8570675680 9550181472 10284810816 10445510985 10959224640 11141878384 11937726840 12856013520 13927347980 15916969120 16712817576 17141351360 19100362944 20891021970 22283756768 23875453680 25712027040 27854695960 31833938240 33425635152 41782043940 44567513536 47750907360 51424054080 55709391920 66851270304 83564087880 95501814720 111418783840 133702540608 167128175760 222837567680 334256351520 668512703040
• Sum of all divisors σ(n): 2670215761920
• Sum of proper divisors (its aliquot sum) s(n): 2001703058880
• 668512703040 is an abundant number, because the sum of its proper divisors (2001703058880) is greater than itself. Its abundance is 1333190355840

Bases of 668512703040

• Binary: 1001101110100110011101100101001001000000₂
• Hexadecimal: 0x9BA6765240
• Base-36: 8J3Z7AYO

Squares and roots of 668512703040

• 668512703040 squared (668512703040²) is 446909234125847225241600
• 668512703040 cubed (668512703040³) is 298764500119006340076345733054464000
• The square root of 668512703040 is 817626.2612220819
• The cube root of 668512703040 is 8743.8605227773

Scales and comparisons

• 668,512,703,040 seconds is equal to 21,256 years, 33 weeks, 13 hours, 4 minutes.
• To count from 1 to 668,512,703,040 would take you about forty-two thousand, five hundred thirteen 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 668512703040 cubic inches would be around 728.7 feet tall.

Recreational maths with 668512703040

• 668512703040 backwards is 040307215866
• 668512703040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668512703040's digits is 42
• More coming soon!