668685911040

Names of 668685911040

• Cardinal: 668685911040 can be written as Six hundred sixty-eight billion, six hundred eighty-five million, nine hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 6.6868591104 × 10¹¹

Factors of 668685911040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 734

Divisors of 668685911040

• Number of divisors d(n): 1056
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 32 35 36 40 42 45 46 48 56 60 63 64 69 70 72 80 84 90 92 96 105 112 115 120 126 128 138 140 144 160 161 168 173 180 184 192 207 210 224 230 240 252 256 276 280 288 315 320 322 336 345 346 360 368 384 414 420 448 460 480 483 504 512 519 521 552 560 576 630 640 644 672 690 692 720 736 768 805 828 840 865 896 920 960 966 1008 1024 1035 1038 1042 1104 1120 1152 1211 1260 1280 1288 1344 1380 1384 1440 1449 1472 1536 1557 1563 1610 1656 1680 1730 1792 1840 1920 1932 2016 2070 2076 2084 2208 2240 2304 2415 2422 2520 2560 2576 2595 2605 2688 2760 2768 2880 2898 2944 3072 3114 3126 3220 3312 3360 3460 3584 3633 3647 3680 3840 3864 3979 4032 4140 4152 4168 4416 4480 4608 4689 4830 4844 5040 5120 5152 5190 5210 5376 5520 5536 5760 5796 5888 6055 6228 6252 6440 6624 6720 6920 7168 7245 7266 7294 7360 7680 7728 7785 7815 7958 8064 8280 8304 8336 8832 8960 9216 9378 9660 9688 10080 10304 10380 10420 10752 10899 10941 11040 11072 11520 11592 11776 11937 11983 12110 12456 12504 12880 13248 13440 13840 14490 14532 14588 14720 15360 15456 15570 15630 15916 16128 16560 16608 16672 17664 17920 18165 18235 18756 19320 19376 19895 20160 20608 20760 20840 21504 21798 21882 22080 22144 23040 23184 23445 23552 23874 23966 24220 24912 25008 25760 26496 26880 27680 27853 28980 29064 29176 29440 30912 31140 31260 31832 32256 32823 33120 33216 33344 35328 35811 35840 35949 36330 36470 37512 38640 38752 39790 40320 41216 41520 41680 43596 43764 44160 44288 46080 46368 46890 47748 47932 48440 49824 50016 51520 52992 53760 54495 54705 55360 55706 57960 58128 58352 58880 59685 59915 61824 62280 62520 63664 64512 65646 66240 66432 66688 70656 71622 71898 72660 72940 75024 77280 77504 79580 80640 82432 83040 83360 83559 83881 87192 87528 88320 88576 90133 92736 93780 95496 95864 96880 99648 100032 103040 105984 107520 107847 108990 109410 110720 111412 115920 116256 116704 117760 119370 119830 123648 124560 125040 127328 131292 132480 132864 133376 139265 143244 143796 145320 145880 150048 154560 155008 159160 161280 164115 164864 166080 166720 167118 167762 174384 175056 176640 177152 179055 179745 180266 185472 187560 190992 191728 193760 199296 200064 206080 211968 215694 217980 218820 221440 222824 231840 232512 233408 238740 239660 247296 249120 250080 250677 251643 254656 262584 264960 265728 266752 270399 278530 286488 287592 290640 291760 300096 309120 310016 318320 322560 328230 332160 333440 334236 335524 348768 350112 353280 358110 359490 360532 370944 375120 381984 383456 387520 398592 400128 412160 417795 419405 431388 435960 437640 442880 445648 450665 463680 465024 466816 477480 479320 494592 498240 500160 501354 503286 509312 525168 529920 531456 533504 539235 540798 557060 572976 575184 581280 583520 600192 618240 620032 630931 636640 656460 664320 666880 668472 671048 697536 700224 716220 718980 721064 741888 750240 754929 763968 766912 775040 797184 800256 811197 824320 835590 838810 862776 871920 875280 885760 891296 901330 927360 930048 933632 954960 958640 996480 1000320 1002708 1006572 1018624 1050336 1059840 1078470 1081596 1114120 1145952 1150368 1162560 1167040 1200384 1236480 1240064 1253385 1258215 1261862 1273280 1312920 1328640 1333760 1336944 1342096 1351995 1395072 1400448 1432440 1437960 1442128 1483776 1500480 1509858 1527936 1533824 1550080 1594368 1600512 1622394 1671180 1677620 1725552 1743840 1750560 1782592 1802660 1854720 1860096 1867264 1892793 1909920 1917280 1992960 2000640 2005416 2013144 2037248 2073059 2100672 2156940 2163192 2228240 2291904 2300736 2325120 2334080 2400768 2472960 2506770 2516430 2523724 2546560 2625840 2657280 2667520 2673888 2684192 2703990 2790144 2800896 2864880 2875920 2884256 3000960 3019716 3055872 3067648 3100160 3154655 3244788 3342360 3355240 3451104 3487680 3501120 3565184 3605320 3709440 3720192 3734528 3774645 3785586 3819840 3834560 3985920 4001280 4010832 4026288 4055985 4074496 4146118 4201344 4313880 4326384 4456480 4583808 4601472 4650240 4668160 4801536 5013540 5032860 5047448 5093120 5251680 5347776 5368384 5407980 5580288 5601792 5678379 5729760 5751840 5768512 6001920 6039432 6111744 6135296 6200320 6219177 6309310 6489576 6684720 6710480 6902208 6975360 7002240 7130368 7210640 7418880 7549290 7571172 7639680 7669120 7971840 8002560 8021664 8052576 8111970 8292236 8402688 8627760 8652768 8912960 9167616 9202944 9300480 9336320 9463965 10027080 10065720 10094896 10186240 10365295 10503360 10695552 10736768 10815960 11160576 11203584 11356758 11459520 11503680 11537024 12003840 12078864 12223488 12270592 12438354 12618620 12979152 13369440 13420960 13804416 13950720 14004480 14260736 14421280 14511413 15098580 15142344 15279360 15338240 16043328 16105152 16223940 16584472 16805376 17255520 17305536 17825920 18335232 18405888 18600960 18657531 18672640 18927930 20054160 20131440 20189792 20372480 20730590 21006720 21391104 21473536 21631920 22713516 22919040 23007360 23074048 24007680 24157728 24876708 25237240 25958304 26738880 26841920 27608832 27901440 28008960 28391895 28521472 28842560 29022826 30197160 30284688 30558720 30676480 31095885 32086656 32210304 32447880 33168944 33610752 34511040 34611072 35651840 36670464 36811776 37315062 37855860 40108320 40262880 40379584 41461180 42013440 42782208 42947072 43263840 43534239 45427032 45838080 46014720 46148096 48315456 49753416 50474480 51916608 53477760 53683840 55217664 55802880 56017920 56783790 57685120 58045652 60394320 60569376 61117440 61352960 62191770 64173312 64420608 64895760 66337888 69022080 69222144 71303680 72557065 74630124 75711720 80216640 80525760 80759168 82922360 84026880 85564416 85894144 86527680 87068478 90854064 91676160 92029440 92296192 93287655 96630912 99506832 100948960 103833216 106955520 107367680 110435328 113567580 115370240 116091304 120788640 121138752 124383540 128346624 128841216 129791520 130602717 132675776 138044160 138444288 142607360 145114130 149260248 151423440 160433280 161051520 161518336 165844720 168053760 173055360 174136956 181708128 183352320 184058880 186575310 193261824 199013664 201897920 207666432 213911040 214735360 217671195 227135160 230740480 232182608 241577280 242277504 248767080 256693248 257682432 259583040 261205434 265351552 276088320 276888576 290228260 298520496 302846880 320866560 322103040 323036672 331689440 346110720 348273912 363416256 373150620 386523648 398027328 403795840 415332864 427822080 429470720 435342390 454270320 461480960 464365216 483154560 484555008 497534160 519166080 522410868 530703104 552176640 580456520 597040992 605693760 641733120 644206080 646073344 653013585 663378880 692221440 696547824 726832512 746301240 773047296 796054656 807591680 830665728 870684780 908540640 928730432 966309120 969110016 995068320 1038332160 1044821736 1061406208 1160913040 1194081984 1211387520 1283466240 1288412160 1306027170 1326757760 1384442880 1393095648 1453665024 1492602480 1592109312 1615183360 1741369560 1817081280 1857460864 1932618240 1938220032 1990136640 2076664320 2089643472 2122812416 2321826080 2388163968 2422775040 2612054340 2653515520 2786191296 2907330048 2985204960 3184218624 3230366720 3482739120 3634162560 3714921728 3865236480 3980273280 4153328640 4179286944 4643652160 4776327936 4845550080 5224108680 5307031040 5572382592 5814660096 5970409920 6368437248 6965478240 7268325120 7429843456 7960546560 8358573888 9287304320 9552655872 9691100160 10448217360 10614062080 11144765184 11940819840 13930956480 14536650240 14859686912 15921093120 16717147776 18574608640 19105311744 20896434720 22289530368 23881639680 27861912960 29073300480 31842186240 33434295552 37149217280 41792869440 44579060736 47763279360 55723825920 66868591104 74298434560 83585738880 95526558720 111447651840 133737182208 167171477760 222895303680 334342955520 668685911040
• Sum of all divisors σ(n): 2784411542016
• Sum of proper divisors (its aliquot sum) s(n): 2115725630976
• 668685911040 is an abundant number, because the sum of its proper divisors (2115725630976) is greater than itself. Its abundance is 1447039719936

Bases of 668685911040

• Binary: 1001101110110000110010010100010000000000₂
• Hexadecimal: 0x9BB0C94400
• Base-36: 8J6UBR40

Squares and roots of 668685911040

• 668685911040 squared (668685911040²) is 447140847623394793881600
• 668685911040 cubed (668685911040³) is 298996785056247566564310713892864000
• The square root of 668685911040 is 817732.1756174205
• The cube root of 668685911040 is 8744.6156197785

Scales and comparisons

• 668,685,911,040 seconds is equal to 21,262 years, 7 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 668,685,911,040 would take you about forty-two thousand, five hundred twenty-four 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 668685911040 cubic inches would be around 728.7 feet tall.

Recreational maths with 668685911040

• 668685911040 backwards is 040119586866
• The number of decimal digits it has is: 12
• The sum of 668685911040's digits is 54
• More coming soon!