668939040000

Names of 668939040000

• Cardinal: 668939040000 can be written as Six hundred sixty-eight billion, nine hundred thirty-nine million, forty thousand.

Scientific notation

• Scientific notation: 6.6893904 × 10¹¹

Factors of 668939040000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 2039

Divisors of 668939040000

• Number of divisors d(n): 1440
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 25 27 28 30 32 33 35 36 40 42 44 45 48 50 54 55 56 60 63 64 66 70 72 75 77 80 84 88 90 96 99 100 105 108 110 112 120 125 126 128 132 135 140 144 150 154 160 165 168 175 176 180 189 192 198 200 210 216 220 224 225 231 240 250 252 256 264 270 275 280 288 297 300 308 315 320 330 336 350 352 360 375 378 384 385 396 400 420 432 440 448 450 462 480 495 500 504 525 528 540 550 560 576 594 600 616 625 630 640 660 672 675 693 700 704 720 750 756 768 770 792 800 825 840 864 875 880 896 900 924 945 960 990 1000 1008 1050 1056 1080 1100 1120 1125 1152 1155 1188 1200 1232 1250 1260 1280 1320 1344 1350 1375 1386 1400 1408 1440 1485 1500 1512 1540 1575 1584 1600 1650 1680 1728 1750 1760 1792 1800 1848 1875 1890 1920 1925 1980 2000 2011 2016 2079 2100 2112 2160 2200 2240 2250 2304 2310 2376 2400 2464 2475 2500 2520 2625 2640 2688 2700 2750 2772 2800 2816 2880 2970 3000 3024 3080 3150 3168 3200 3300 3360 3375 3456 3465 3500 3520 3600 3696 3750 3780 3840 3850 3960 4000 4022 4032 4125 4158 4200 4224 4320 4375 4400 4480 4500 4620 4725 4752 4800 4928 4950 5000 5040 5250 5280 5376 5400 5500 5544 5600 5625 5760 5775 5940 6000 6033 6048 6160 6300 6336 6400 6600 6720 6750 6875 6912 6930 7000 7040 7200 7392 7425 7500 7560 7700 7875 7920 8000 8044 8064 8250 8316 8400 8448 8640 8750 8800 8960 9000 9240 9450 9504 9600 9625 9856 9900 10000 10055 10080 10395 10500 10560 10800 11000 11088 11200 11250 11520 11550 11880 12000 12066 12096 12320 12375 12600 12672 13125 13200 13440 13500 13750 13860 14000 14077 14080 14400 14784 14850 15000 15120 15400 15750 15840 16000 16088 16128 16500 16632 16800 16875 17280 17325 17500 17600 18000 18099 18480 18900 19008 19200 19250 19712 19800 20000 20110 20160 20625 20790 21000 21120 21600 22000 22121 22176 22400 22500 23100 23625 23760 24000 24132 24192 24640 24750 25200 25344 26250 26400 26880 27000 27500 27720 28000 28154 28800 28875 29568 29700 30000 30165 30240 30800 31500 31680 32000 32176 33000 33264 33600 33750 34560 34650 35000 35200 36000 36198 36960 37125 37800 38016 38500 39375 39600 40000 40220 40320 41250 41580 42000 42231 42240 43200 44000 44242 44352 44800 45000 46200 47250 47520 48000 48125 48264 48384 49280 49500 50275 50400 51975 52500 52800 54000 54297 55000 55440 56000 56308 57600 57750 59136 59400 60000 60330 60480 61600 61875 63000 63360 64352 66000 66363 66528 67200 67500 69300 70000 70385 70400 72000 72396 73920 74250 75600 76032 77000 78750 79200 80000 80440 80640 82500 83160 84000 84462 86400 86625 88000 88484 88704 90000 90495 92400 94500 95040 96000 96250 96528 98560 99000 100550 100800 103950 105000 105600 108000 108594 110000 110605 110880 112000 112616 115500 118125 118800 120000 120660 120960 123200 123750 126000 126693 126720 128704 132000 132726 133056 134400 135000 138600 140000 140770 144000 144375 144792 147840 148500 150825 151200 154000 154847 157500 158400 160000 160880 165000 166320 168000 168924 172800 173250 176000 176968 177408 180000 180990 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3167325 3168000 3185424 3217600 3318150 3326400 3360000 3378480 3465000 3475008 3519250 3539360 3603712 3619800 3696000 3716328 3770625 3780000 3800790 3861120 3871175 3960000 3981780 4022000 4054176 4158000 4180869 4223100 4247232 4320000 4343760 4424200 4435200 4504640 4524750 4620000 4633344 4645410 4752000 4778136 4826400 4955104 4977225 5027500 5040000 5067720 5197500 5278875 5280000 5309040 5405568 5429700 5530250 5544000 5574492 5630800 5662976 5791680 5940000 5972670 6033000 6048000 6081264 6160000 6193880 6334650 6370848 6435200 6636300 6652800 6756960 6787125 6930000 6950016 6968115 7038500 7078720 7239600 7392000 7432656 7541250 7560000 7601580 7722240 7742350 7920000 7963560 8044000 8108352 8295375 8316000 8361738 8446200 8494464 8687520 8798125 8848400 9009280 9049500 9240000 9290820 9501975 9504000 9556272 9652800 9910208 9954450 10055000 10080000 10135440 10395000 10557750 10618080 10811136 10859400 11060500 11088000 11148984 11261600 11311875 11583360 11613525 11880000 11945340 12066000 12162528 12320000 12387760 12669300 12741696 12870400 13272600 13305600 13513920 13574250 13825625 13860000 13900032 13936230 14077000 14157440 14479200 14865312 14931675 15082500 15120000 15203160 15484700 15836625 15840000 15927120 16088000 16216704 16590750 16632000 16723476 16892400 16988928 17375040 17596250 17696800 18018560 18099000 18480000 18581640 19003950 19112544 19305600 19355875 19820416 19908900 20110000 20270880 20790000 20904345 21115500 21236160 21718800 22121000 22176000 22297968 22523200 22623750 23166720 23227050 23760000 23890680 24132000 24325056 24775520 24886125 25338600 25483392 26394375 26545200 27027840 27148500 27651250 27720000 27872460 28154000 28314880 28958400 29730624 29863350 30165000 30240000 30406320 30969400 31673250 31854240 32176000 32433408 33181500 33264000 33446952 33784800 33935625 34750080 34840575 35192500 35393600 36198000 36960000 37163280 38007900 38225088 38611200 38711750 39640832 39817800 40220000 40541760 41476875 41580000 41808690 42231000 42472320 43437600 44242000 44595936 45046400 45247500 46454100 47509875 47520000 47781360 48264000 48650112 49551040 49772250 50677200 50966784 52788750 53090400 54055680 54297000 55302500 55440000 55744920 56308000 57916800 58067625 59461248 59726700 60330000 60812640 61938800 63346500 63708480 64352000 66363000 66528000 66893904 67569600 67871250 69500160 69681150 70385000 70787200 72396000 74326560 74658375 76015800 76450176 77423500 79183125 79635600 80440000 81083520 82953750 83160000 83617380 84462000 84944640 86875200 88484000 89191872 90092800 90495000 92908200 95019750 95562720 96528000 96779375 97300224 99102080 99544500 101354400 104521725 105577500 106180800 108594000 110605000 110880000 111489840 112616000 115833600 116135250 118922496 119453400 120660000 121625280 123877600 124430625 126693000 127416960 132726000 133787808 135139200 135742500 139362300 140770000 141574400 144792000 148653120 149316750 152031600 152900352 154847000 158366250 159271200 160880000 162167040 165907500 166320000 167234760 168924000 173750400 174202875 176968000 178383744 180990000 185816400 190039500 191125440 193056000 193558750 198204160 199089000 202708800 209043450 211155000 212361600 217188000 221210000 222979680 225232000 232270500 237549375 238906800 241320000 243250560 247755200 248861250 253386000 254833920 265452000 267575616 270278400 271485000 278724600 281540000 289584000 290338125 297306240 298633500 304063200 309694000 316732500 318542400 321760000 331815000 332640000 334469520 337848000 347500800 348405750 353936000 356767488 361980000 371632800 373291875 380079000 382250880 387117500 398178000 405417600 418086900 422310000 424723200 434376000 442420000 445959360 450464000 464541000 475098750 477813600 482640000 486501120 495510400 497722500 506772000 522608625 530904000 535151232 542970000 557449200 563080000 579168000 580676250 594612480 597267000 608126400 619388000 633465000 637084800 663630000 668939040 675696000 696811500 707872000 723960000 743265600 746583750 760158000 764501760 774235000 796356000 810835200 836173800 844620000 868752000 871014375 884840000 891918720 929082000 950197500 955627200 965280000 991020800 995445000 1013544000 1045217250 1061808000 1070302464 1085940000 1114898400 1126160000 1161352500 1194534000 1216252800 1238776000 1266930000 1274169600 1327260000 1337878080 1351392000 1393623000 1447920000 1486531200 1493167500 1520316000 1548470000 1592712000 1672347600 1689240000 1737504000 1742028750 1769680000 1783837440 1858164000 1900395000 1911254400 1990890000 2027088000 2090434500 2123616000 2171880000 2229796800 2252320000 2322705000 2389068000 2432505600 2477552000 2533860000 2613043125 2654520000 2675756160 2787246000 2895840000 2973062400 2986335000 3040632000 3096940000 3185424000 3344695200 3378480000 3484057500 3539360000 3716328000 3800790000 3822508800 3981780000 4054176000 4180869000 4343760000 4459593600 4645410000 4778136000 4955104000 5067720000 5226086250 5309040000 5351512320 5574492000 5972670000 6081264000 6193880000 6370848000 6689390400 6756960000 6968115000 7432656000 7601580000 7963560000 8361738000 8687520000 8919187200 9290820000 9556272000 10135440000 10452172500 10618080000 11148984000 11945340000 12162528000 12387760000 13378780800 13936230000 14865312000 15203160000 15927120000 16723476000 18581640000 19112544000 20270880000 20904345000 22297968000 23890680000 24775520000 26757561600 27872460000 30406320000 31854240000 33446952000 37163280000 41808690000 44595936000 47781360000 55744920000 60812640000 66893904000 74326560000 83617380000 95562720000 111489840000 133787808000 167234760000 222979680000 334469520000 668939040000
• Sum of all divisors σ(n): 3083408993280
• Sum of proper divisors (its aliquot sum) s(n): 2414469953280
• 668939040000 is an abundant number, because the sum of its proper divisors (2414469953280) is greater than itself. Its abundance is 1745530913280

Bases of 668939040000

• Binary: 1001101110111111110111111011010100000000₂
• Hexadecimal: 0x9BBFDFB500
• Base-36: 8JB116O0

Squares and roots of 668939040000

• 668939040000 squared (668939040000²) is 447479439236121600000000
• 668939040000 cubed (668939040000³) is 299336466502349516427264000000000000
• The square root of 668939040000 is 817886.9359514187
• The cube root of 668939040000 is 8745.7188962063

Scales and comparisons

• 668,939,040,000 seconds is equal to 21,270 years, 10 weeks.
• To count from 1 to 668,939,040,000 would take you about forty-two thousand, five hundred forty 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 668939040000 cubic inches would be around 728.8 feet tall.

Recreational maths with 668939040000

• 668939040000 backwards is 000040939866
• 668939040000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668939040000's digits is 45
• More coming soon!