668751749120

Names of 668751749120

• Cardinal: 668751749120 can be written as Six hundred sixty-eight billion, seven hundred fifty-one million, seven hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 6.6875174912 × 10¹¹

Factors of 668751749120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 117

Divisors of 668751749120

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 32 35 38 40 49 52 56 64 65 70 71 76 80 91 95 98 104 112 128 130 133 140 142 152 160 182 190 196 208 224 245 247 256 260 266 280 284 304 320 355 361 364 380 392 416 448 455 490 494 497 512 520 532 560 568 608 637 640 665 710 722 728 760 784 832 896 910 923 931 980 988 994 1024 1040 1064 1120 1136 1216 1235 1274 1280 1330 1349 1420 1444 1456 1520 1568 1664 1729 1792 1805 1820 1846 1862 1960 1976 1988 2048 2080 2128 2240 2272 2432 2470 2485 2527 2548 2560 2660 2698 2840 2888 2912 3040 3136 3185 3328 3458 3479 3584 3610 3640 3692 3724 3920 3952 3976 4096 4160 4256 4480 4544 4615 4655 4693 4864 4940 4970 5054 5096 5120 5320 5396 5680 5776 5824 6080 6272 6370 6461 6656 6745 6916 6958 7168 7220 7280 7384 7448 7840 7904 7952 8192 8320 8512 8645 8960 9088 9230 9310 9386 9443 9728 9880 9940 10108 10192 10240 10640 10792 11360 11552 11648 12103 12160 12544 12635 12740 12922 13312 13490 13832 13916 14336 14440 14560 14768 14896 15680 15808 15904 16640 17024 17290 17395 17537 17689 17920 18176 18460 18620 18772 18886 19456 19760 19880 20216 20384 20480 21280 21584 22720 23104 23296 23465 24206 24320 25088 25270 25480 25631 25844 26624 26980 27664 27832 28672 28880 29120 29536 29792 31360 31616 31808 32305 32851 33280 34048 34580 34790 35074 35378 35840 36352 36920 37240 37544 37772 38912 39520 39760 40432 40768 40960 42560 43168 45227 45440 46208 46592 46930 47215 48412 48640 50176 50540 50960 51262 51688 53248 53960 55328 55664 57344 57760 58240 59072 59584 60515 62720 63232 63616 64610 65702 66101 66560 68096 69160 69580 70148 70756 71680 72704 73840 74480 75088 75544 77824 79040 79520 80864 81536 85120 86336 87685 88445 90454 90880 92416 93184 93860 94430 96824 97280 100352 101080 101920 102524 103376 106496 107920 110656 111328 115520 116480 118144 119168 121030 122759 125440 126464 127232 128155 129220 131404 132202 133120 136192 138320 139160 140296 141512 143360 145408 147680 148960 150176 151088 155648 158080 159040 161728 163072 164255 170240 172672 175370 176890 179417 180908 181760 184832 186368 187720 188860 193648 194560 200704 202160 203840 205048 206752 215840 221312 222656 226135 229957 231040 232960 236288 238336 242060 245518 250880 252928 254464 256310 258440 262808 264404 266240 272384 276640 278320 280592 283024 286720 290816 295360 297920 300352 302176 316160 318080 323456 326144 328510 330505 333203 340480 345344 350740 353780 358834 361816 363520 369664 372736 375440 377720 387296 389120 401408 404320 407680 410096 413504 431680 442624 445312 452270 459914 462080 465920 472576 476672 484120 491036 501760 505856 508928 512620 516880 525616 528808 532480 544768 553280 556640 561184 566048 581632 590720 595840 600704 604352 613795 632320 636160 646912 652288 657020 661010 666406 680960 690688 701480 707560 717668 723632 727040 739328 745472 750880 755440 774592 778240 808640 815360 820192 827008 859313 863360 885248 890624 897085 904540 919828 924160 931840 945152 953344 968240 982072 1003520 1011712 1017856 1025240 1033760 1051232 1057616 1089536 1106560 1113280 1122368 1132096 1149785 1181440 1191680 1201408 1208704 1227590 1255919 1264640 1272320 1293824 1304576 1314040 1322020 1332812 1361920 1381376 1402960 1415120 1435336 1447264 1454080 1478656 1501760 1510880 1549184 1617280 1630720 1640384 1654016 1666015 1718626 1726720 1770496 1781248 1794170 1809080 1839656 1848320 1863680 1890304 1906688 1936480 1964144 2007040 2023424 2035712 2050480 2067520 2102464 2115232 2213120 2226560 2244736 2264192 2299570 2332421 2362880 2383360 2402816 2417408 2455180 2511838 2529280 2544640 2587648 2609152 2628080 2644040 2665624 2723840 2762752 2805920 2830240 2870672 2894528 2908160 2957312 3003520 3021760 3098368 3234560 3261440 3280768 3308032 3332030 3437252 3453440 3540992 3562496 3588340 3618160 3679312 3696640 3727360 3780608 3813376 3872960 3928288 4071424 4100960 4135040 4204928 4230464 4296565 4426240 4453120 4489472 4528384 4599140 4664842 4725760 4766720 4805632 4834816 4910360 5023676 5058560 5089280 5175296 5218304 5256160 5288080 5331248 5447680 5525504 5611840 5660480 5741344 5789056 6007040 6043520 6196736 6279595 6469120 6522880 6561536 6616064 6664060 6874504 6906880 7081984 7124992 7176680 7236320 7358624 7393280 7561216 7626752 7745920 7856576 8201920 8270080 8409856 8460928 8593130 8852480 8906240 8978944 9056768 9198280 9329684 9451520 9533440 9611264 9669632 9820720 10047352 10117120 10178560 10350592 10512320 10576160 10662496 11051008 11223680 11320960 11482688 11578112 11662105 12014080 12087040 12393472 12559190 12938240 13045760 13123072 13232128 13328120 13749008 13813760 14163968 14249984 14353360 14472640 14717248 14786560 15491840 15713152 16326947 16403840 16540160 16819712 16921856 17186260 17704960 17812480 17957888 18113536 18396560 18659368 18903040 19066880 19222528 19339264 19641440 20094704 20357120 20701184 21024640 21152320 21324992 22447360 22641920 22965376 23156224 23324210 24028160 24174080 24786944 25118380 25876480 26091520 26246144 26464256 26656240 27498016 27627520 28499968 28706720 28945280 29434496 30983680 31426304 32653894 32807680 33080320 33639424 33843712 34372520 35409920 35624960 35915776 36227072 36793120 37318736 37806080 38133760 38445056 38678528 39282880 40189408 42049280 42304640 42649984 44894720 45283840 45930752 46312448 46648420 48056320 48348160 49573888 50236760 51752960 52492288 52928512 53312480 54996032 55255040 57413440 57890560 58868992 61967360 62852608 65307788 65615360 66160640 67278848 67687424 68745040 70819840 71249920 71831552 72454144 73586240 74637472 77357056 78565760 80378816 81634735 84098560 84609280 85299968 89789440 90567680 91861504 92624896 93296840 96112640 96696320 99147776 100473520 103505920 104984576 106624960 109992064 114826880 115781120 117737984 123934720 125705216 130615576 131230720 132321280 134557696 135374848 137490080 142499840 143663104 144908288 147172480 149274944 157131520 160757632 163269470 168197120 169218560 170599936 179578880 181135360 183723008 185249792 186593680 192225280 193392640 200947040 209969152 213249920 219984128 229653760 231562240 235475968 247869440 251410432 261231152 262461440 264642560 269115392 270749696 274980160 294344960 298549888 314263040 321515264 326538940 336394240 338437120 341199872 359157760 362270720 367446016 370499584 373187360 386785280 401894080 426499840 439968256 459307520 463124480 470951936 495738880 502820864 522462304 524922880 541499392 549960320 588689920 597099776 628526080 643030528 653077880 672788480 676874240 682399744 718315520 724541440 734892032 746374720 803788160 852999680 879936512 918615040 926248960 941903872 1005641728 1044924608 1049845760 1099920640 1177379840 1194199552 1257052160 1286061056 1306155760 1345576960 1353748480 1364799488 1469784064 1492749440 1607576320 1705999360 1759873024 1837230080 1852497920 1883807744 2089849216 2199841280 2354759680 2388399104 2514104320 2572122112 2612311520 2707496960 2729598976 2985498880 3215152640 3411998720 3519746048 3674460160 4179698432 4399682560 4709519360 4776798208 5028208640 5144244224 5224623040 5970997760 6430305280 6823997440 7039492096 7348920320 8359396864 8799365120 9419038720 9553596416 10288488448 10449246080 11941995520 12860610560 13647994880 16718793728 17598730240 19107192832 20898492160 23883991040 25721221120 33437587456 35197460480 41796984320 47767982080 51442442240 66875174912 83593968640 95535964160 133750349824 167187937280 334375874560 668751749120
• Sum of all divisors σ(n): 2151815567328
• Sum of proper divisors (its aliquot sum) s(n): 1483063818208
• 668751749120 is an abundant number, because the sum of its proper divisors (1483063818208) is greater than itself. Its abundance is 814312069088

Bases of 668751749120

• Binary: 1001101110110100101101011110000000000000₂
• Hexadecimal: 0x9BB4B5E000
• Base-36: 8J7XIW3K

Squares and roots of 668751749120

• 668751749120 squared (668751749120²) is 447228901951059420774400
• 668751749120 cubed (668751749120³) is 299085110436787968279934064918528000
• The square root of 668751749120 is 817772.4311322803
• The cube root of 668751749120 is 8744.9026054417

Scales and comparisons

• 668,751,749,120 seconds is equal to 21,264 years, 12 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
• To count from 1 to 668,751,749,120 would take you about forty-two thousand, five hundred twenty-eight 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 668751749120 cubic inches would be around 728.7 feet tall.

Recreational maths with 668751749120

• 668751749120 backwards is 021947157866
• 668751749120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668751749120's digits is 56
• More coming soon!