64394101440

Names of 64394101440

• Cardinal: 64394101440 can be written as Sixty-four billion, three hundred ninety-four million, one hundred one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.439410144 × 10¹⁰

Factors of 64394101440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 105

Divisors of 64394101440

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 37 40 41 45 48 51 54 60 64 68 72 74 80 82 85 90 96 102 108 111 120 123 135 136 144 148 153 160 164 170 180 185 192 204 205 216 222 240 246 255 270 272 288 289 296 306 320 328 333 340 360 369 370 408 410 432 444 459 480 492 510 540 544 555 576 578 592 612 615 629 656 666 680 697 720 738 740 765 816 820 864 867 888 918 960 984 999 1020 1080 1088 1107 1110 1156 1184 1224 1230 1258 1312 1332 1360 1394 1440 1445 1476 1480 1517 1530 1632 1640 1665 1728 1734 1776 1836 1845 1887 1968 1998 2040 2091 2160 2214 2220 2295 2312 2368 2448 2460 2516 2601 2624 2664 2720 2788 2880 2890 2952 2960 3034 3060 3145 3264 3280 3330 3468 3485 3552 3672 3690 3774 3936 3996 4080 4182 4320 4335 4428 4440 4551 4590 4624 4896 4913 4920 4995 5032 5202 5328 5440 5535 5576 5661 5780 5904 5920 6068 6120 6273 6290 6560 6660 6936 6970 7104 7344 7380 7548 7585 7803 7872 7992 8160 8364 8640 8670 8856 8880 9102 9180 9248 9435 9792 9826 9840 9990 10064 10404 10455 10656 10693 11070 11152 11322 11560 11808 11840 11849 12136 12240 12546 12580 13005 13120 13320 13653 13872 13940 14688 14739 14760 15096 15170 15606 15984 16320 16728 16983 17340 17712 17760 18204 18360 18496 18819 18870 19652 19680 19980 20128 20808 20910 21312 21386 22140 22304 22644 22755 23120 23616 23698 24272 24480 24565 25092 25160 25789 26010 26640 27306 27744 27880 28305 29376 29478 29520 30192 30340 31212 31365 31968 32079 33456 33966 34680 35424 35520 35547 36408 36720 37638 37740 39015 39304 39360 39960 40256 40959 41616 41820 42772 44217 44280 44608 45288 45510 46240 47396 48544 48960 49130 50184 50320 51578 52020 53280 53465 54612 55488 55760 56610 58956 59040 59245 60384 60680 62424 62730 63936 64158 66912 67932 68265 69360 70848 71094 72816 73440 73695 75276 75480 77367 78030 78608 79920 81918 83232 83640 84915 85544 88434 88560 90576 91020 92480 94095 94792 96237 97088 98260 100368 100640 103156 104040 106560 106641 106930 109224 111520 113220 117912 118080 118490 120768 121360 124848 125460 128316 128945 132651 133824 135864 136530 138720 142188 145632 146880 147390 150552 150960 154734 156060 157216 159840 160395 163836 166464 167280 169830 171088 176868 177120 177735 181152 181781 182040 188190 189584 192474 196520 200736 201280 201433 204795 206312 208080 213282 213860 218448 221085 223040 226440 232101 235824 236980 242720 249696 250920 256632 257890 265302 271728 273060 277440 284376 288711 291264 294780 301104 301920 309468 312120 314432 319680 319923 320790 327672 334560 339660 342176 353736 354240 355470 362304 363562 364080 376380 379168 384948 386835 393040 401472 402866 409590 412624 416160 426564 427720 436896 438413 442170 452880 464202 471648 473960 481185 485440 499392 501840 513264 515780 530604 533205 543456 545343 546120 568752 577422 589560 602208 603840 604299 618936 624240 639846 641580 655344 663255 669120 679320 684352 696303 707472 710940 727124 728160 752760 758336 769896 773670 786080 805732 819180 825248 832320 853128 855440 873792 876826 884340 905760 908905 928404 943296 947920 962370 1003680 1007165 1026528 1031560 1061208 1066410 1086912 1090686 1092240 1137504 1154844 1160505 1179120 1204416 1208598 1237872 1248480 1279692 1283160 1310688 1315239 1326510 1358640 1392606 1414944 1421880 1443555 1454248 1456320 1505520 1539792 1547340 1572160 1599615 1611464 1636029 1638360 1650496 1706256 1710880 1753652 1768680 1811520 1812897 1817810 1856808 1895840 1924740 2007360 2014330 2053056 2063120 2122416 2132820 2181372 2184480 2192065 2275008 2309688 2321010 2358240 2417196 2475744 2496960 2559384 2566320 2621376 2630478 2653020 2717280 2726715 2785212 2829888 2843760 2887110 2908496 3011040 3021495 3079584 3094680 3199230 3222928 3272058 3276720 3412512 3421760 3481515 3507304 3537360 3625794 3635620 3713616 3791680 3849480 3945717 4028660 4126240 4244832 4265640 4362744 4368960 4384130 4619376 4642020 4716480 4834392 4908087 4951488 5118768 5132640 5260956 5306040 5434560 5438691 5453430 5570424 5687520 5774220 5816992 6022080 6042990 6159168 6189360 6398460 6445856 6544116 6553440 6576195 6825024 6963030 7014608 7074720 7251588 7271240 7427232 7453021 7698960 7891434 8057320 8180145 8252480 8489664 8531280 8725488 8768260 9064485 9238752 9284040 9668784 9816174 10237536 10265280 10521912 10612080 10877382 10906860 11140848 11375040 11548440 11633984 11837151 12085980 12378720 12796920 12891712 13088232 13106880 13152390 13926060 14029216 14149440 14503176 14542480 14854464 14906042 15397920 15782868 16114640 16360290 17062560 17450976 17536520 18128970 18477504 18568080 19337568 19632348 19728585 20475072 21043824 21224160 21754764 21813720 22281696 22359063 23096880 23674302 24171960 24540435 24757440 25593840 26176464 26304780 27193455 27852120 28058432 29006352 29084960 29812084 30795840 31565736 32229280 32720580 34125120 34901952 35073040 36257940 37136160 37265105 38675136 39264696 39457170 42087648 42448320 43509528 43627440 44563392 44718126 46193760 47348604 48343920 49080870 51187680 52352928 52609560 54386910 55704240 58012704 58169920 59185755 59624168 63131472 64458560 65441160 67077189 70146080 72515880 74272320 74530210 78529392 78914340 84175296 87019056 87254880 89436252 92387520 94697208 96687840 98161740 102375360 104705856 105219120 108773820 111408480 111795315 116025408 118371510 119248336 126262944 130882320 134154378 140292160 145031760 149060420 157058784 157828680 174038112 174509760 178872504 189394416 193375680 196323480 201231567 210438240 217547640 222816960 223590630 236743020 238496672 252525888 261764640 268308756 290063520 298120840 314117568 315657360 335385945 348076224 357745008 378788832 392646960 402463134 420876480 435095280 447181260 473486040 476993344 523529280 536617512 580127040 596241680 631314720 670771890 715490016 757577664 785293920 804926268 870190560 894362520 946972080 1006157835 1073235024 1192483360 1262629440 1341543780 1430980032 1570587840 1609852536 1740381120 1788725040 1893944160 2012315670 2146470048 2384966720 2683087560 3219705072 3577450080 3787888320 4024631340 4292940096 5366175120 6439410144 7154900160 8049262680 10732350240 12878820288 16098525360 21464700480 32197050720 64394101440
• Sum of all divisors σ(n): 253932537600
• Sum of proper divisors (its aliquot sum) s(n): 189538436160
• 64394101440 is an abundant number, because the sum of its proper divisors (189538436160) is greater than itself. Its abundance is 125144334720

Bases of 64394101440

• Binary: 111011111110001100000000001011000000₂
• Hexadecimal: 0xEFE3002C0
• Base-36: TKYL2O0

Squares and roots of 64394101440

• 64394101440 squared (64394101440²) is 4146600300265010073600
• 64394101440 cubed (64394101440³) is 267016600366399517562020265984000
• The square root of 64394101440 is 253759.9287515663
• The cube root of 64394101440 is 4008.1936512263

Scales and comparisons

• 64,394,101,440 seconds is equal to 2,047 years, 27 weeks, 5 days, 2 hours, 24 minutes.
• To count from 1 to 64,394,101,440 would take you about four thousand and ninety-five 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 64394101440 cubic inches would be around 334 feet tall.

Recreational maths with 64394101440

• 64394101440 backwards is 04410149346
• 64394101440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64394101440's digits is 36
• More coming soon!