642464542720

Names of 642464542720

• Cardinal: 642464542720 can be written as Six hundred forty-two billion, four hundred sixty-four million, five hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.4246454272 × 10¹¹

Factors of 642464542720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 75

Divisors of 642464542720

• Number of divisors d(n): 1248
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 37 40 44 49 52 55 56 64 65 70 74 77 80 88 91 98 104 110 112 121 128 130 140 143 148 154 160 176 182 185 196 208 220 224 242 245 256 259 260 280 286 296 308 320 352 364 370 385 392 407 416 440 448 455 481 484 490 512 518 520 539 560 572 592 605 616 637 640 704 715 728 740 770 784 814 832 847 880 896 910 962 968 980 1001 1024 1036 1040 1078 1120 1144 1184 1210 1232 1274 1280 1295 1331 1408 1430 1456 1480 1540 1568 1573 1628 1664 1694 1760 1792 1813 1820 1924 1936 1960 2002 2035 2048 2072 2080 2156 2240 2288 2368 2405 2420 2464 2548 2560 2590 2662 2695 2816 2849 2860 2912 2960 3080 3136 3146 3185 3256 3328 3367 3388 3520 3584 3626 3640 3848 3872 3920 4004 4070 4096 4144 4160 4235 4312 4477 4480 4576 4736 4810 4840 4928 5005 5096 5120 5180 5291 5324 5390 5632 5698 5720 5824 5920 5929 6160 6272 6292 6370 6512 6655 6656 6734 6776 7007 7040 7168 7252 7280 7696 7744 7840 7865 8008 8140 8288 8320 8470 8624 8954 8960 9065 9152 9317 9472 9620 9680 9856 10010 10192 10240 10360 10582 10648 10780 11011 11264 11396 11440 11648 11840 11858 12320 12544 12584 12740 13024 13310 13312 13468 13552 14014 14080 14245 14336 14504 14560 15392 15488 15680 15730 16016 16280 16576 16640 16835 16940 17248 17303 17908 17920 18130 18304 18634 18944 19240 19360 19712 19943 20020 20384 20480 20720 21164 21296 21560 22022 22385 22528 22792 22880 23296 23569 23680 23716 24640 25088 25168 25480 26048 26455 26620 26624 26936 27104 28028 28160 28490 28672 29008 29120 29645 30784 30976 31339 31360 31460 32032 32560 33152 33280 33670 33880 34496 34606 35035 35816 35840 36260 36608 37037 37268 37888 38480 38720 39424 39886 40040 40768 41440 42328 42592 43120 44044 44770 45056 45584 45760 46585 46592 47138 47360 47432 49247 49280 50176 50336 50960 52096 52910 53240 53248 53872 54208 55055 56056 56320 56980 58016 58201 58240 59290 61568 61952 62678 62720 62920 64064 65120 65219 66304 66560 67340 67760 68992 69212 70070 71632 71680 72520 73216 74074 74536 75776 76960 77077 77440 78848 79772 80080 81536 82880 84656 85184 86240 86515 88088 89540 91168 91520 93170 93184 94276 94720 94864 98494 98560 99715 100352 100672 101920 104192 105820 106480 107744 108416 110110 112112 112640 113960 116032 116402 116480 117845 118580 121121 123136 123904 125356 125440 125840 128128 130240 130438 132608 133120 134680 135520 137984 138424 140140 143264 143360 145040 146432 148148 149072 151552 153920 154154 154880 156695 157696 159544 160160 163072 165760 169312 170368 172480 173030 176176 179080 182336 183040 185185 186340 186368 188552 189440 189728 196988 197120 199430 200704 201344 203840 208384 211640 212960 215488 216832 219373 220220 224224 225280 227920 232064 232804 232960 235690 237160 242242 246235 246272 247808 250712 250880 251680 256256 259259 260480 260876 265216 266240 269360 271040 275968 276848 280280 286528 290080 291005 292864 296296 298144 307840 308308 309760 313390 315392 319088 320320 326095 326144 331520 338624 340736 344729 344960 346060 352352 358160 364672 366080 370370 372680 372736 377104 378880 379456 385385 393976 394240 398860 402688 407407 407680 416768 423280 425920 430976 433664 438746 440440 448448 455840 464128 465608 465920 471380 474320 484484 492470 492544 495616 501424 501760 503360 512512 518518 520960 521752 530432 538720 542080 551936 553696 560560 573056 580160 582010 585728 592592 596288 605605 615680 616616 619520 626780 638176 640211 640640 652190 652288 663040 677248 681472 689458 689920 692120 704704 716320 729344 732160 740740 745360 754208 757760 758912 770770 787952 788480 797720 805376 814814 815360 833536 846560 847847 851840 861952 867328 877492 880880 896896 911680 928256 931216 931840 942760 948640 968968 984940 985088 1002848 1003520 1006720 1025024 1037036 1041920 1043504 1060864 1077440 1084160 1096865 1103872 1107392 1121120 1146112 1160320 1164020 1185184 1192576 1211210 1231360 1233232 1239040 1253560 1276352 1280422 1281280 1296295 1304380 1304576 1326080 1354496 1362944 1378916 1379840 1384240 1409408 1432640 1458688 1464320 1481480 1490720 1508416 1517824 1541540 1575904 1576960 1595440 1610752 1629628 1630720 1667072 1693120 1695694 1703680 1723645 1723904 1734656 1754984 1761760 1793792 1823360 1856512 1862432 1863680 1885520 1897280 1937936 1969880 1970176 2005696 2013440 2037035 2050048 2074072 2083840 2087008 2154880 2168320 2193730 2207744 2214784 2242240 2292224 2320640 2328040 2370368 2385152 2413103 2422420 2462720 2466464 2478080 2507120 2552704 2560844 2562560 2592590 2608760 2609152 2652160 2708992 2725888 2757832 2759680 2768480 2818816 2851849 2865280 2917376 2928640 2962960 2981440 3016832 3035648 3083080 3151808 3190880 3201055 3221504 3259256 3261440 3386240 3391388 3407360 3447290 3447808 3469312 3509968 3523520 3587584 3646720 3713024 3724864 3771040 3794560 3875872 3939760 4011392 4026880 4074070 4100096 4148144 4167680 4174016 4239235 4309760 4336640 4387460 4429568 4481477 4484480 4584448 4641280 4656080 4740736 4770304 4826206 4844840 4925440 4932928 5014240 5105408 5121688 5125120 5185180 5217520 5304320 5417984 5451776 5515664 5519360 5536960 5637632 5703698 5730560 5834752 5925920 5962880 6033664 6071296 6166160 6303616 6381760 6402110 6443008 6518512 6522880 6772480 6782776 6814720 6894580 6895616 7019936 7047040 7175168 7293440 7426048 7449728 7542080 7589120 7751744 7879520 8022784 8053760 8148140 8296288 8335360 8348032 8478470 8619520 8673280 8774920 8859136 8962954 8968960 9168896 9282560 9312160 9481472 9540608 9652412 9689680 9850880 9865856 10028480 10210816 10243376 10250240 10370360 10435040 10835968 11031328 11038720 11073920 11275264 11407396 11461120 11669504 11851840 11925760 12065515 12067328 12142592 12332320 12607232 12763520 12804220 13037024 13045760 13544960 13565552 13629440 13789160 13791232 14039872 14094080 14259245 14350336 14586880 14899456 15084160 15178240 15503488 15759040 16045568 16107520 16296280 16592576 16696064 16956940 17239040 17346560 17549840 17718272 17925908 17937920 18337792 18565120 18624320 18962944 19081216 19304824 19379360 19731712 20056960 20421632 20486752 20500480 20740720 20870080 21671936 22062656 22147840 22407385 22550528 22814792 22922240 23703680 23851520 24131030 24134656 24285184 24664640 25214464 25527040 25608440 26074048 27089920 27131104 27258880 27578320 28079744 28188160 28518490 28700672 29173760 29798912 30168320 30356480 31006976 31370339 31518080 32091136 32215040 32592560 33185152 33392128 33913880 34478080 35099680 35436544 35851816 35875840 37130240 37248640 37925888 38162432 38609648 38758720 39463424 40113920 40843264 40973504 41481440 41740160 44125312 44295680 44814770 45101056 45629584 45844480 47407360 47703040 48262060 48269312 49329280 50428928 51054080 51216880 52148096 54179840 54262208 55156640 56159488 56376320 57036980 58347520 59597824 60336640 60712960 62013952 62740678 63036160 64182272 65185120 66370304 66784256 67827760 68956160 70199360 70873088 71703632 71751680 74497280 75851776 77219296 77517440 78926848 80227840 81686528 81947008 82962880 83480320 88250624 88591360 89629540 91259168 91688960 94814720 95406080 96524120 96538624 98658560 100857856 102108160 102433760 104296192 108359680 108524416 110313280 112318976 112752640 114073960 119195648 120673280 121425920 124027904 125481356 126072320 128364544 130370240 132740608 133568512 135655520 140398720 143407264 143503360 148994560 151703552 154438592 155034880 156851695 157853696 160455680 163894016 165925760 166960640 176501248 177182720 179259080 182518336 189629440 190812160 193048240 197317120 201715712 204216320 204867520 208592384 217048832 220626560 224637952 225505280 228147920 238391296 241346560 248055808 250962712 252144640 260740480 265481216 267137024 271311040 280797440 286814528 297989120 308877184 310069760 313703390 315707392 320911360 327788032 331851520 333921280 353002496 354365440 358518160 365036672 379258880 386096480 394634240 408432640 409735040 417184768 434097664 441253120 449275904 456295840 482693120 496111616 501925424 504289280 521480960 530962432 542622080 561594880 573629056 595978240 617754368 620139520 627406780 641822720 655576064 663703040 667842560 706004992 717036320 730073344 758517760 772192960 789268480 819470080 834369536 868195328 882506240 898551808 912591680 1003850848 1008578560 1042961920 1061924864 1085244160 1123189760 1147258112 1191956480 1235508736 1240279040 1254813560 1311152128 1327406080 1335685120 1412009984 1434072640 1460146688 1544385920 1578536960 1638940160 1668739072 1736390656 1765012480 1825183360 2007701696 2085923840 2170488320 2246379520 2294516224 2471017472 2480558080 2509627120 2622304256 2654812160 2868145280 2920293376 3088771840 3277880320 3472781312 3530024960 3650366720 4015403392 4171847680 4340976640 4492759040 4589032448 4942034944 5019254240 5309624320 5736290560 5840586752 6177543680 6555760640 7060049920 7300733440 8030806784 8343695360 8681953280 9178064896 9884069888 10038508480 11472581120 11681173504 12355087360 13111521280 14601466880 16061613568 17363906560 18356129792 20077016960 22945162240 24710174720 29202933760 32123227136 40154033920 45890324480 49420349440 58405867520 64246454272 80308067840 91780648960 128492908544 160616135680 321232271360 642464542720
• Sum of all divisors σ(n): 2181804037056
• Sum of proper divisors (its aliquot sum) s(n): 1539339494336
• 642464542720 is an abundant number, because the sum of its proper divisors (1539339494336) is greater than itself. Its abundance is 896874951616

Bases of 642464542720

• Binary: 1001010110010101110111101111000000000000₂
• Hexadecimal: 0x9595DEF000
• Base-36: 8756STTS

Squares and roots of 642464542720

• 642464542720 squared (642464542720²) is 412760688652418704998400
• 642464542720 cubed (642464542720³) is 265184107087868476328771634331648000
• The square root of 642464542720 is 801538.8591453317
• The cube root of 642464542720 is 8628.7864585933

Scales and comparisons

• 642,464,542,720 seconds is equal to 20,428 years, 20 weeks, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 642,464,542,720 would take you about forty thousand, eight hundred fifty-six 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 642464542720 cubic inches would be around 719.1 feet tall.

Recreational maths with 642464542720

• 642464542720 backwards is 027245464246
• The number of decimal digits it has is: 12
• The sum of 642464542720's digits is 46
• More coming soon!