640245966480

Names of 640245966480

• Cardinal: 640245966480 can be written as Six hundred forty billion, two hundred forty-five million, nine hundred sixty-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 6.4024596648 × 10¹¹

Factors of 640245966480

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 134

Divisors of 640245966480

• Number of divisors d(n): 1080
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 29 30 34 36 37 40 41 45 48 51 58 60 68 72 74 80 82 85 87 90 102 111 116 120 123 136 144 145 148 153 164 170 174 180 185 204 205 222 232 240 246 255 261 272 290 296 306 328 333 340 348 360 369 370 408 410 435 444 464 492 493 510 522 555 580 592 612 615 629 656 666 680 696 697 720 738 740 765 816 820 841 870 888 984 986 1020 1044 1073 1110 1160 1189 1224 1230 1258 1305 1332 1360 1392 1394 1476 1479 1480 1517 1530 1640 1665 1681 1682 1740 1776 1845 1887 1968 1972 2040 2088 2091 2146 2220 2320 2378 2448 2460 2465 2516 2523 2610 2664 2788 2952 2958 2960 3034 3060 3145 3219 3280 3330 3362 3364 3480 3485 3567 3690 3774 3944 4080 4176 4182 4205 4292 4437 4440 4551 4756 4920 4930 5032 5043 5046 5220 5328 5365 5576 5661 5904 5916 5945 6068 6120 6273 6290 6438 6660 6724 6728 6960 6970 7134 7380 7395 7548 7569 7585 7888 8364 8405 8410 8584 8874 8880 9102 9435 9512 9657 9840 9860 10064 10086 10092 10440 10455 10701 10730 11152 11322 11832 11890 12136 12240 12546 12580 12615 12876 13320 13448 13456 13653 13940 14268 14297 14760 14790 15096 15129 15138 15170 16095 16728 16810 16820 17168 17748 17835 18204 18241 18870 19024 19314 19720 20172 20184 20213 20880 20910 21402 21460 22185 22644 22755 23664 23780 24272 25092 25160 25215 25230 25752 25789 26640 26896 27306 27880 28305 28536 28577 28594 29520 29580 30192 30258 30276 30340 31117 31365 32190 33456 33620 33640 34481 35496 35670 36408 36482 37740 37845 38628 39440 40344 40368 40426 41820 42804 42891 42920 43993 44370 45288 45510 47560 48285 48749 50184 50320 50430 50460 51504 51578 53505 54612 54723 55760 56610 57072 57154 57188 59160 60516 60552 60639 60680 62197 62234 62730 64380 67240 67280 68265 68962 70992 71340 71485 72816 72964 75480 75645 75690 77256 77367 80688 80852 83640 85608 85731 85782 85840 87986 88740 90576 91020 91205 93351 95120 96570 97498 100368 100860 100920 101065 103156 103443 107010 109224 109446 113220 114308 114376 118320 121032 121104 121278 121360 124394 124468 125460 128673 128760 128945 131979 134480 136530 137924 142680 142885 142970 145928 146247 150960 151290 151380 154512 154734 155585 161704 164169 167280 171216 171462 171564 172405 175972 177480 181917 182040 182410 186591 186702 193140 194996 201720 201840 202130 206312 206886 214020 214455 218448 218892 219965 226440 228616 228752 232101 242064 242556 243745 248788 248936 250920 257193 257346 257520 257890 263958 273060 273615 275848 280053 285360 285770 285940 291856 292494 302580 302760 303195 309468 310329 310985 311170 323408 328338 342924 343128 344810 351944 354960 363834 364080 364820 373182 373404 386280 386835 389992 395937 403440 404260 412624 413772 428040 428655 428910 437784 438741 439930 452880 457232 464202 466755 485112 487490 497576 497872 501840 514386 514692 515780 517215 527916 528989 546120 547230 551696 559773 560106 571540 571880 584988 586177 605160 605520 606390 618936 620658 621970 622340 643365 656676 659895 685848 686256 689620 703888 727668 729640 731235 746364 746808 747881 772560 773670 779984 791874 808520 820845 827544 828733 856080 857310 857820 875568 877482 879860 909585 928404 932955 933510 970224 974980 995152 1028772 1029384 1031560 1034430 1055832 1057349 1057978 1092240 1094460 1119546 1120212 1143080 1143760 1160505 1169976 1172354 1210320 1212780 1237872 1241316 1243940 1244680 1275797 1285965 1286730 1313352 1319790 1371696 1379240 1400265 1413721 1455336 1459280 1462470 1492728 1493616 1495762 1547340 1551645 1583748 1586967 1617040 1641690 1655088 1657466 1714620 1715640 1754964 1758531 1759720 1803713 1819170 1856808 1865910 1867020 1949960 1979685 2057544 2058768 2063120 2068860 2111664 2114698 2115956 2188920 2193705 2239092 2240424 2243643 2286160 2321010 2339952 2344708 2425560 2482632 2486199 2487880 2489360 2551594 2571930 2573460 2626704 2639580 2644945 2758480 2798865 2800530 2827442 2910672 2924940 2930885 2985456 2991524 3094680 3103290 3167496 3172047 3173934 3283380 3314932 3429240 3431280 3509928 3517062 3519440 3607426 3638340 3713616 3731820 3734040 3739405 3827391 3899920 3959370 4115088 4137720 4143665 4229396 4231912 4241163 4377840 4387410 4478184 4480848 4487286 4642020 4689416 4760901 4851120 4965264 4972398 4975760 5103188 5143860 5146920 5275593 5279160 5286745 5289890 5411139 5597730 5601060 5654884 5849880 5861770 5983048 6189360 6206580 6334992 6344094 6347868 6378985 6566760 6629864 6730929 6858480 7019856 7034124 7068605 7214852 7276680 7458597 7463640 7468080 7478810 7654782 7918740 7934835 8275440 8287330 8458792 8463824 8482326 8774820 8792655 8956368 8974572 9018565 9284040 9378832 9516141 9521802 9944796 10206376 10287720 10293840 10551186 10558320 10573490 10579780 10822278 11195460 11202120 11218215 11309768 11482173 11699760 11723540 11966096 12413160 12430995 12688188 12695736 12723489 12757970 13133520 13259728 13461858 14068248 14137210 14429704 14553360 14917194 14927280 14957620 15309564 15837480 15860235 15869670 16233417 16574660 16917584 16964652 17549640 17585310 17949144 18037130 18568080 19032282 19043604 19136955 19889592 20412752 20575440 21102372 21146980 21159560 21205815 21644556 21688549 22390920 22404240 22436430 22619536 22964346 23447080 23804505 24033257 24826320 24861990 25376376 25391472 25446978 25515940 26377965 26923716 27055695 28136496 28274420 28859408 29834388 29915240 30619128 30663121 31674960 31720470 31739340 32466834 33149320 33654645 33929304 35099280 35170620 35898288 36074260 37292985 38064564 38087208 38273910 39779184 42204744 42293960 42319120 42411630 43289112 43377098 44781840 44872860 45928692 46894160 47580705 47609010 48066514 49723980 50752752 50893956 51031880 52307677 52755930 53847432 54111390 56548840 57410865 59668776 59830480 61238256 61326242 63440940 63478680 63617445 64933668 65065647 66298640 67309290 67858608 70341240 72099771 72148520 74585970 76129128 76174416 76547820 81167085 84409488 84587920 84823260 86578224 86754196 89745720 91857384 91989363 95161410 95218020 96133028 99447960 101787912 102063760 104615354 105511860 107694864 108222780 108442745 113097680 114821730 119337552 120166285 122652484 126881880 126957360 127234890 129867336 130131294 134618580 140682480 144199542 144297040 149171940 152258256 153095640 153315605 156923031 162334170 169646520 173508392 179491440 183714768 183978726 190322820 190436040 192266056 195196941 198895920 203575824 209230708 211023720 216299313 216445560 216885490 229643460 240332570 245304968 253763760 254469780 259734672 260262588 261538385 269237160 275968089 288399084 298343880 306191280 306631210 313846062 324668340 325328235 339293040 347016784 360498855 367957452 380645640 380872080 384532112 390393882 418461416 422047440 432598626 432891120 433770980 459286920 459946815 470769093 480665140 490609936 508939560 520525176 523076770 538474320 551936178 576798168 596687760 613262420 627692124 649336680 650656470 720997710 735914904 761291280 780787764 784615155 836922832 865197252 867541960 889230509 918573840 919893630 941538186 961330280 975984705 1017879120 1041050352 1046153540 1081496565 1103872356 1153596336 1226524840 1255384248 1298673360 1301312940 1379840445 1441995420 1471829808 1561575528 1569230310 1730394504 1735083920 1778461018 1839787260 1883076372 1922660560 1951969410 2092307080 2162993130 2207744712 2353845465 2453049680 2510768496 2602625880 2667691527 2759680890 2883990840 3123151056 3138460620 3460789008 3556922036 3679574520 3766152744 3903938820 4184614160 4325986260 4415489424 4446152545 4707690930 5205251760 5335383054 5519361780 5767981680 6276921240 7113844072 7359149040 7532305488 7807877640 8003074581 8651972520 8892305090 9415381860 10670766108 11038723560 12553842480 13338457635 14227688144 15615755280 16006149162 17303945040 17784610180 18830763720 21341532216 22077447120 26676915270 32012298324 35569220360 37661527440 40015372905 42683064432 53353830540 64024596648 71138440720 80030745810 106707661080 128049193296 160061491620 213415322160 320122983240 640245966480
• Sum of all divisors σ(n): 2482080317496
• Sum of proper divisors (its aliquot sum) s(n): 1841834351016
• 640245966480 is an abundant number, because the sum of its proper divisors (1841834351016) is greater than itself. Its abundance is 1201588384536

Bases of 640245966480

• Binary: 1001010100010001101000100010011010010000₂
• Hexadecimal: 0x9511A22690
• Base-36: 864HX1G0

Squares and roots of 640245966480

• 640245966480 squared (640245966480²) is 409914897593909283590400
• 640245966480 cubed (640245966480³) is 262446359784562675833780052449792000
• The square root of 640245966480 is 800153.7142824497
• The cube root of 640245966480 is 8618.8426160547

Scales and comparisons

• 640,245,966,480 seconds is equal to 20,357 years, 43 weeks, 5 days, 5 hours, 48 minutes.
• To count from 1 to 640,245,966,480 would take you about forty thousand, seven hundred fifteen 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 640245966480 cubic inches would be around 718.2 feet tall.

Recreational maths with 640245966480

• 640245966480 backwards is 084669542046
• The number of decimal digits it has is: 12
• The sum of 640245966480's digits is 54
• More coming soon!