664440513840

Names of 664440513840

• Cardinal: 664440513840 can be written as Six hundred sixty-four billion, four hundred forty million, five hundred thirteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.6444051384 × 10¹¹

Factors of 664440513840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 319

Divisors of 664440513840

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 36 38 40 45 48 54 57 60 61 72 76 80 90 95 108 114 120 122 135 144 152 171 180 183 190 216 228 229 240 244 270 285 304 305 342 360 361 366 380 432 456 458 488 513 540 549 570 610 684 687 720 722 732 760 855 912 915 916 976 1026 1080 1083 1098 1140 1145 1159 1220 1368 1374 1444 1464 1520 1647 1710 1805 1830 1832 2052 2061 2160 2166 2196 2280 2290 2318 2440 2565 2736 2745 2748 2888 2928 3249 3294 3420 3435 3477 3610 3660 3664 3721 4104 4122 4332 4351 4392 4560 4580 4636 4880 5130 5415 5490 5496 5776 5795 6183 6498 6588 6840 6870 6954 7220 7320 7442 8208 8235 8244 8664 8702 8784 9160 9272 9747 10260 10305 10431 10830 10980 10992 11163 11590 12366 12996 13053 13176 13680 13740 13908 13969 14440 14640 14884 16245 16470 16488 17328 17385 17404 18320 18544 18605 19494 20520 20610 20862 21660 21755 21960 22021 22326 23180 24732 25992 26106 26352 27480 27816 27938 28880 29768 30915 31293 32490 32940 32976 33489 34770 34808 37210 38988 39159 41040 41220 41724 41907 43320 43510 43920 44042 44652 46360 48735 49464 51984 52155 52212 54960 55632 55815 55876 59536 61830 62586 64980 65265 65880 66063 66978 69540 69616 69845 70699 74420 77976 78318 82440 82669 83448 83814 86640 87020 88084 89304 92720 97470 98928 100467 104310 104424 110105 111630 111752 117477 123660 125172 125721 129960 130530 131760 132126 133956 139080 139690 141398 148840 155952 156465 156636 164880 165338 166896 167445 167628 174040 176168 178608 194940 195795 198189 200934 208620 208848 209535 212097 220210 223260 223504 234954 247320 248007 250344 251442 259920 261060 264252 265411 267912 278160 279380 282796 297680 312930 313272 330315 330676 334890 335256 348080 352336 353495 377163 389880 391590 396378 401868 413345 417240 419070 424194 440420 446520 469908 494640 496014 500688 502335 502884 522120 528504 530822 535824 558760 565592 587385 594567 625860 626544 628605 636291 660630 661352 669780 670512 706990 744021 754326 779760 783180 792756 796233 803736 826690 834480 838140 848388 852109 880840 893040 939816 990945 992028 1004670 1005768 1044240 1057008 1060485 1061644 1117520 1131184 1174770 1189134 1240035 1251720 1257210 1272582 1321260 1322704 1327055 1339560 1343281 1413980 1488042 1508652 1566360 1585512 1592466 1607472 1653380 1676280 1696776 1704218 1761680 1879632 1885815 1908873 1981890 1984056 2009340 2011536 2120970 2123288 2232063 2349540 2378268 2388699 2480070 2503440 2514420 2545164 2556327 2642520 2654110 2679120 2686562 2827960 2972835 2976084 3017304 3132720 3171024 3181455 3184932 3306760 3352560 3393552 3408436 3720105 3771630 3817746 3963780 3968112 3981165 4018680 4029843 4241940 4246576 4260545 4464126 4699080 4756536 4777398 4960140 5028840 5042809 5090328 5112654 5285040 5308220 5373124 5655920 5945670 5952168 6034608 6362910 6369864 6613520 6716405 6816872 7166097 7440210 7543260 7635492 7668981 7927560 7962330 8037360 8059686 8483880 8521090 8928252 9398160 9513072 9544365 9554796 9920280 10057680 10085618 10180656 10225308 10616440 10746248 11160315 11891340 11904336 11943495 12089529 12725820 12739728 12781635 13432810 13633744 14332194 14880420 15086520 15128427 15270984 15337962 15855120 15924660 16119372 16190071 16967760 17042180 17856504 19088730 19109592 19840560 20149215 20171236 20450616 21232880 21492496 22320630 23006943 23782680 23886990 24179058 25214045 25451640 25563270 26865620 28664388 29760840 30173040 30256854 30541968 30675924 31849320 32238744 32380142 34084360 35713008 35830485 36268587 38177460 38219184 38344905 40298430 40342472 40901232 44641260 45385281 46013886 47565360 47773980 48358116 48570213 50428090 50903280 51126540 53731240 57328776 59521680 60447645 60513708 61351848 63698640 64477488 64760284 68168720 71660970 72537174 75642135 76354920 76689810 80596860 80684944 80950355 89282520 90770562 92027772 95547960 96716232 97140426 100856180 102253080 107462480 114657552 115034715 120895290 121027416 122703696 129520568 136155843 143321940 145074348 145710639 151284270 152709840 153379620 161193720 161900710 178565040 181342935 181541124 184055544 191095920 193432464 194280852 201712360 204506160 226926405 230069430 241790580 242054832 242851065 259041136 272311686 286643880 290148696 291421278 302568540 306759240 307611349 322387440 323801420 362685870 363082248 368111088 388561704 403424720 437131917 453852810 460138860 483581160 485702130 544623372 573287760 580297392 582842556 605137080 613518480 615222698 647602840 680779215 725371740 726164496 728553195 777123408 874263834 907705620 920277720 922834047 967162320 971404260 1089246744 1165685112 1210274160 1230445396 1295205680 1361558430 1450743480 1457106390 1538056745 1748527668 1815411240 1840555440 1845668094 1942808520 2178493488 2185659585 2331370224 2460890792 2723116860 2768502141 2901486960 2914212780 3076113490 3497055336 3630822480 3691336188 3885617040 4371319170 4614170235 4921781584 5446233720 5537004282 5828425560 6152226980 6994110672 7382672376 8305506423 8742638340 9228340470 10892467440 11074008564 11656851120 12304453960 13842510705 14765344752 16611012846 17485276680 18456680940 22148017128 24608907920 27685021410 33222025692 34970553360 36913361880 41527532115 44296034256 55370042820 66444051384 73826723760 83055064230 110740085640 132888102768 166110128460 221480171280 332220256920 664440513840
• Sum of all divisors σ(n): 2466391917600
• Sum of proper divisors (its aliquot sum) s(n): 1801951403760
• 664440513840 is an abundant number, because the sum of its proper divisors (1801951403760) is greater than itself. Its abundance is 1137510889920

Bases of 664440513840

• Binary: 1001101010110011101111011010010100110000₂
• Hexadecimal: 0x9AB3BDA530
• Base-36: 8H8MQ5O0

Squares and roots of 664440513840

• 664440513840 squared (664440513840²) is 441481196431963231545600
• 664440513840 cubed (664440513840³) is 293337993007951624168145361391104000
• The square root of 664440513840 is 815132.2063567357
• The cube root of 664440513840 is 8726.0701860053

Scales and comparisons

• 664,440,513,840 seconds is equal to 21,127 years, 7 weeks, 6 days, 17 hours, 24 minutes.
• To count from 1 to 664,440,513,840 would take you about forty-two thousand, two hundred fifty-four 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 664440513840 cubic inches would be around 727.2 feet tall.

Recreational maths with 664440513840

• 664440513840 backwards is 048315044466
• 664440513840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 664440513840's digits is 45
• More coming soon!