640146798720

Names of 640146798720

• Cardinal: 640146798720 can be written as Six hundred forty billion, one hundred forty-six million, seven hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 6.4014679872 × 10¹¹

Factors of 640146798720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 538

Divisors of 640146798720

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 64 65 66 72 78 80 88 90 96 99 104 110 117 120 128 130 132 143 144 156 160 165 169 176 180 191 192 195 198 208 220 234 240 260 264 286 288 312 313 320 330 338 352 360 382 384 390 396 416 429 440 468 480 495 507 520 528 572 573 576 585 624 626 640 660 676 704 715 720 764 780 792 832 845 858 880 936 939 955 960 990 1014 1040 1056 1144 1146 1152 1170 1248 1252 1287 1320 1352 1408 1430 1440 1521 1528 1560 1565 1584 1664 1690 1716 1719 1760 1859 1872 1878 1910 1920 1980 2028 2080 2101 2112 2145 2288 2292 2340 2483 2496 2504 2535 2574 2640 2704 2817 2860 2865 2880 3042 3056 3120 3130 3168 3380 3432 3438 3443 3520 3718 3744 3756 3820 3960 4056 4069 4160 4202 4224 4290 4576 4584 4680 4695 4966 4992 5008 5070 5148 5280 5408 5577 5634 5720 5730 5760 6084 6112 6240 6260 6303 6336 6435 6760 6864 6876 6886 7040 7436 7449 7488 7512 7605 7640 7920 8112 8138 8320 8404 8580 8595 9152 9168 9295 9360 9390 9932 10016 10140 10296 10329 10505 10560 10816 11154 11268 11440 11460 12168 12207 12224 12415 12480 12520 12606 12672 12870 13520 13728 13752 13772 14085 14872 14898 14976 15024 15210 15280 15840 16224 16276 16731 16808 17160 17190 17215 18304 18336 18590 18720 18780 18909 19864 20032 20280 20345 20592 20658 21010 21120 21632 22308 22347 22536 22880 22920 24336 24414 24448 24830 24960 25040 25212 25740 27040 27313 27456 27504 27544 27885 28170 29744 29796 30048 30420 30560 30987 31515 31680 32279 32448 32552 33462 33616 34320 34380 34430 36621 36672 37180 37245 37440 37560 37818 39728 40064 40560 40690 41184 41316 42020 44616 44694 44759 45072 45760 45840 48672 48828 49660 50080 50424 51480 51645 52897 54080 54626 54912 55008 55088 55770 56340 59488 59592 59783 60096 60840 61035 61120 61974 63030 63360 64558 64896 65104 66924 67232 68640 68760 68860 73242 73344 74360 74490 74880 75120 75636 79456 81120 81380 81939 82368 82632 83655 84040 89232 89388 89518 90144 91520 91680 94545 96837 97344 97656 99320 100160 100848 102960 103290 105794 108160 109252 110016 110176 111540 111735 112680 118976 119184 119566 120192 121680 122070 122240 123948 126060 129116 130208 133848 134277 134464 136565 137280 137520 137720 146484 148720 148980 150240 151272 154935 158691 158912 161395 162240 162760 163878 164736 165264 167310 168080 178464 178776 179036 179349 180288 183105 183360 189090 193674 194688 195312 198640 200320 201696 205920 206580 211588 218504 220032 220352 223080 223470 223795 225360 237952 238368 239132 243360 244140 245817 247896 252120 258232 260416 264485 267696 268554 268928 273130 274560 275040 275440 290511 292968 297440 297960 298915 300480 302544 309870 317382 317824 322790 324480 325520 327756 330528 334620 336160 355069 356928 357552 358072 358698 360576 366210 366720 378180 387348 390624 397280 402831 403392 409695 411840 413160 423176 437008 440704 446160 446940 447590 450720 476073 476736 478264 484185 486720 488280 491634 495792 504240 516464 520832 528970 535392 537108 538047 546260 550080 550880 581022 581867 585936 594880 595920 597830 600960 605088 619740 634764 645580 651040 655512 657613 661056 669240 671385 672320 710138 713856 715104 716144 717396 732420 756360 774696 777179 781248 793455 794560 805662 806784 819390 823680 826320 846352 874016 892320 893880 895180 896745 901440 952146 953472 956528 968370 973440 976560 983268 991584 1008480 1032928 1057940 1065207 1070784 1074216 1076094 1092520 1100160 1101760 1162044 1163734 1171872 1189760 1191840 1195660 1210176 1229085 1239480 1269528 1291160 1302080 1311024 1315226 1322112 1338480 1342770 1344640 1420276 1430208 1432288 1434792 1452555 1464840 1512720 1549392 1554358 1562496 1586910 1589120 1611324 1638780 1652640 1692704 1745601 1748032 1775345 1784640 1787760 1790360 1793490 1802880 1904292 1913056 1936740 1953120 1966536 1972839 1983168 2014155 2016960 2065856 2115880 2130414 2141568 2148432 2152188 2185040 2203520 2324088 2327468 2331537 2343744 2380365 2383680 2391320 2420352 2458170 2478960 2539056 2582320 2604160 2622048 2630452 2676960 2685540 2690235 2840552 2860416 2864576 2869584 2905110 2909335 2929680 3025440 3098784 3108716 3173820 3195621 3222648 3277560 3288065 3305280 3385408 3491202 3496064 3550690 3569280 3575520 3580720 3586980 3808584 3826112 3873480 3885895 3906240 3933072 3945678 3966336 4028310 4033920 4131712 4231760 4260828 4296864 4304376 4370080 4648176 4654936 4663074 4687488 4760730 4767360 4782640 4916340 4957920 5078112 5164640 5236803 5244096 5260904 5326035 5353920 5371080 5380470 5681104 5729152 5739168 5810220 5818670 5859360 5918517 6050880 6197568 6217432 6347640 6391242 6445296 6555120 6576130 6610560 6770816 6982404 6994611 7101380 7151040 7161440 7173960 7617168 7652224 7746960 7771790 7812480 7866144 7891356 8056620 8463520 8521656 8548969 8593728 8608752 8728005 8740160 9296352 9309872 9326148 9521460 9565280 9832680 9864195 9915840 10103327 10156224 10329280 10473606 10488192 10521808 10652070 10707840 10742160 10760940 11362208 11478336 11620440 11637340 11657685 11718720 11837034 12101760 12395136 12434864 12695280 12782484 12890592 13110240 13152260 13964808 13989222 14202760 14302080 14322880 14347920 15234336 15493920 15543580 15732288 15782712 15978105 16113240 16927040 17043312 17097938 17187456 17217504 17456010 17480320 18592704 18619744 18652296 19042920 19130560 19665360 19728390 19831680 20206654 20312448 20658560 20947212 21043616 21304140 21484320 21521880 22724416 22956672 23240880 23274680 23315370 23437440 23674068 24869728 25390560 25564968 25646907 25781184 26184015 26220480 26304520 27929616 27978444 28405520 28645760 28695840 29592585 30309981 30468672 30987840 31087160 31464576 31565424 31956210 32226480 33854080 34086624 34195876 34435008 34912020 34973055 37185408 37239488 37304592 38085840 38261120 39330720 39456780 40413308 41894424 42087232 42608280 42744845 42968640 43043760 45448832 46481760 46549360 46630740 47348136 49739456 50516635 50781120 51129936 51293814 51562368 52368030 52440960 52609040 55859232 55956888 56811040 57391680 59185170 60619962 60937344 61975680 62174320 63130848 63912420 64452960 68173248 68391752 68870016 69824040 69946110 74478976 74609184 76171680 76940721 78661440 78913560 80826616 83788848 84174464 85216560 85489690 85937280 86087520 90929943 92963520 93098720 93261480 94696272 99478912 101033270 101562240 102259872 102587628 104736060 105218080 111136597 111718464 111913776 113622080 114783360 118370340 121239924 124348640 126261696 127824840 128234535 128905920 136346496 136783504 139648080 139892220 149218368 151549905 152343360 153881442 157322880 157827120 161653232 167577696 170433120 170979380 172175040 181859886 185927040 186197440 186522960 189392544 202066540 204519744 205175256 209472120 210436160 222273194 223436928 223827552 227244160 236740680 242479848 248697280 252523392 255649680 256469070 257811840 273567008 279296160 279784440 298436736 303099810 304686720 307762884 315654240 323306464 333409791 335155392 340866240 341958760 344350080 363719772 372394880 373045920 378785088 384703605 404133080 409039488 410350512 418944240 420872320 444546388 447655104 454649715 473481360 484959696 497394560 511299360 512938140 547134016 555682985 558592320 559568880 606199620 615525768 631308480 646612928 666819582 670310784 681732480 683917520 727439544 746091840 757570176 769407210 808266160 820701024 837888480 889092776 895310208 909299430 946962720 969919392 1000229373 1022598720 1025876280 1094268032 1111365970 1117184640 1119137760 1212399240 1231051536 1262616960 1293225856 1333639164 1367835040 1454879088 1492183680 1538814420 1616532320 1641402048 1667048955 1675776960 1778185552 1818598860 1893925440 1939838784 2000458746 2045197440 2051752560 2222731940 2238275520 2424798480 2462103072 2667278328 2735670080 2909758176 3077628840 3233064640 3282804096 3334097910 3351553920 3556371104 3637197720 3787850880 3879677568 4000917492 4103505120 4445463880 4476551040 4849596960 4924206144 5001146865 5334556656 5471340160 5819516352 6155257680 6466129280 6668195820 7112742208 7274395440 8001834984 8207010240 8890927760 9699193920 9848412288 10002293730 10669113312 11639032704 12310515360 13336391640 14225484416 14548790880 16003669968 16414020480 17781855520 19398387840 20004587460 21338226624 24621030720 26672783280 29097581760 32007339936 35563711040 40009174920 42676453248 49242061440 53345566560 58195163520 64014679872 71127422080 80018349840 106691133120 128029359744 160036699680 213382266240 320073399360 640146798720
• Sum of all divisors σ(n): 2633285790720
• Sum of proper divisors (its aliquot sum) s(n): 1993138992000
• 640146798720 is an abundant number, because the sum of its proper divisors (1993138992000) is greater than itself. Its abundance is 1352992193280

Bases of 640146798720

• Binary: 1001010100001011101110001111100010000000₂
• Hexadecimal: 0x950BB8F880
• Base-36: 862UVJ40

Squares and roots of 640146798720

• 640146798720 squared (640146798720²) is 409787923911464193638400
• 640146798720 cubed (640146798720³) is 262324427646038744265527949262848000
• The square root of 640146798720 is 800091.7439394059
• The cube root of 640146798720 is 8618.3976019541

Scales and comparisons

• 640,146,798,720 seconds is equal to 20,354 years, 35 weeks, 5 days, 11 hours, 12 minutes.
• To count from 1 to 640,146,798,720 would take you about forty thousand, seven hundred nine 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 640146798720 cubic inches would be around 718.2 feet tall.

Recreational maths with 640146798720

• 640146798720 backwards is 027897641046
• The number of decimal digits it has is: 12
• The sum of 640146798720's digits is 54
• More coming soon!