128012543568

Names of 128012543568

• Cardinal: 128012543568 can be written as One hundred twenty-eight billion, twelve million, five hundred forty-three thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.28012543568 × 10¹¹

Factors of 128012543568

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 310

Divisors of 128012543568

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 61 63 72 78 84 91 97 104 112 117 122 126 127 144 156 168 169 182 183 194 208 234 244 252 254 273 291 312 336 338 364 366 381 388 427 468 488 504 507 508 546 549 582 624 676 679 728 732 762 776 793 819 854 873 889 936 976 1008 1014 1016 1092 1098 1143 1164 1183 1261 1281 1352 1358 1456 1464 1521 1524 1552 1586 1638 1651 1708 1746 1778 1872 2028 2032 2037 2184 2196 2286 2328 2366 2379 2522 2562 2667 2704 2716 2928 3042 3048 3172 3276 3302 3416 3492 3549 3556 3783 3843 4056 4074 4368 4392 4572 4656 4732 4758 4953 5044 5124 5334 5432 5551 5917 6084 6096 6111 6344 6552 6604 6832 6984 7098 7112 7137 7566 7686 7747 8001 8112 8148 8784 8827 9144 9464 9516 9906 10088 10248 10309 10647 10668 10864 11102 11349 11557 11834 12168 12222 12319 12688 13104 13208 13968 14196 14224 14274 14859 15132 15372 15494 16002 16296 16393 16653 17654 17751 18288 18928 19032 19812 20176 20496 20618 21294 21336 21463 22204 22698 23114 23241 23668 24336 24444 24638 26416 26481 28392 28548 29718 30264 30744 30927 30988 32004 32592 32786 33306 34671 35308 35502 36957 38064 39624 41236 41419 42588 42672 42926 44408 45396 46228 46482 47336 48888 49179 49276 49959 52962 53253 54229 56784 57096 59436 60528 61488 61854 61976 64008 64389 65572 66612 69342 69723 70616 71004 72163 73914 76921 79248 79443 82472 82838 85176 85852 86233 88816 90792 92456 92781 92964 94672 97776 98358 98552 99918 100711 104013 105924 106506 108458 110871 114192 114751 118872 123708 123952 124257 128016 128778 131144 133224 138684 139446 141232 142008 144326 147537 147828 150241 153842 158886 160147 162687 164944 165676 170352 171704 172466 181584 184912 185562 185928 193167 196716 197104 199836 201422 208026 211848 213012 216489 216916 221742 229502 230763 237744 247416 248514 257556 258699 262288 266448 277368 278892 284016 288652 295074 295656 300482 302133 307684 317772 320294 325374 331352 343408 344253 344932 371124 371856 372771 386334 393432 399672 402844 416052 423696 426024 432978 433832 443484 450723 459004 461526 480441 488061 494832 497028 515112 517398 538447 554736 557784 577304 590148 591312 600964 604266 615368 635544 640588 649467 650748 662704 688506 689864 692289 704977 742248 745542 751459 772668 776097 786864 799344 805688 832104 852048 865956 867664 886968 901446 906399 918008 923052 960882 976122 994056 999973 1030224 1032759 1034796 1076894 1115568 1121029 1154608 1180296 1201928 1208532 1230736 1271088 1281176 1298934 1301496 1309243 1352169 1377012 1379728 1384578 1409954 1441323 1484496 1491084 1502918 1545336 1552194 1611376 1615341 1664208 1731912 1773936 1802892 1812798 1836016 1846104 1921764 1952244 1988112 1999946 2065518 2069592 2081911 2114931 2153788 2242058 2254377 2360592 2403856 2417064 2562352 2597868 2602992 2618486 2704338 2754024 2769156 2819908 2882646 2982168 2999919 3005836 3090672 3104388 3230682 3363087 3463824 3605784 3625596 3692208 3843528 3904488 3927729 3999892 4131036 4139184 4163822 4229862 4307576 4484116 4508754 4834128 4846023 5195736 5236972 5260213 5408676 5508048 5538312 5639816 5765292 5964336 5999838 6011672 6208776 6245733 6344793 6461364 6726174 6763131 6999811 7211568 7251192 7687056 7808976 7855458 7999784 8262072 8327644 8459724 8615152 8968232 8999757 9017508 9164701 9692046 9768967 10089261 10391472 10473944 10520426 10817352 11076624 11279632 11530584 11783187 11999676 12023344 12417552 12491466 12689586 12922728 13452348 13526262 13999622 14502384 14573377 15710916 15780639 15999568 16524144 16655288 16919448 17936464 17999514 18035016 18329402 18737199 19384092 19537934 20178522 20947888 20999433 21040852 21634704 23061168 23566374 23999352 24982932 25379172 25845456 26904696 27052524 27494103 27999244 29146754 29306901 31421832 31561278 33310576 33838896 35999028 36070032 36658804 37474398 38768184 39075868 40357044 41998866 42081704 43720131 47132748 47341917 47998704 49965864 50758344 53809392 54105048 54988206 55998488 58293508 58613802 62843664 62998299 63122556 68382769 71998056 73317608 74948796 77536368 78151736 80714088 82482309 83997732 84163408 87440262 87920703 94265496 94683834 99931728 101516688 108210096 109976412 111996976 116587016 117227604 125996598 126245112 126996571 131160393 136765538 143996112 146635216 149897592 156303472 161428176 164964618 167995464 174880524 175841406 188530992 189367668 205148307 219952824 233174032 234455208 251993196 252490224 253993142 262320786 273531076 299795184 329929236 335990928 349761048 351682812 378735336 380989713 410296614 439905648 468910416 503986392 507986284 524641572 547062152 615444921 659858472 699522096 703365624 757470672 761979426 820593228 888975997 1007972784 1015972568 1049283144 1094124304 1142969139 1230889842 1319716944 1406731248 1523958852 1641186456 1777951994 2031945136 2098566288 2285938278 2461779684 2666927991 3047917704 3282372912 3555903988 4571876556 4923559368 5333855982 6095835408 7111807976 8000783973 9143753112 9847118736 10667711964 14223615952 16001567946 18287506224 21335423928 32003135892 42670847856 64006271784 128012543568
• Sum of all divisors σ(n): 458853298176
• Sum of proper divisors (its aliquot sum) s(n): 330840754608
• 128012543568 is an abundant number, because the sum of its proper divisors (330840754608) is greater than itself. Its abundance is 202828211040

Bases of 128012543568

• Binary: 1110111001110001001000110011001010000₂
• Hexadecimal: 0x1DCE246650
• Base-36: 1MT3D2S0

Squares and roots of 128012543568

• 128012543568 squared (128012543568²) is 16387211310749098170624
• 128012543568 cubed (128012543568³) is 2097768601875291316283713897746432
• The square root of 128012543568 is 357788.4061397183
• The cube root of 128012543568 is 5039.8488182165

Scales and comparisons

• 128,012,543,568 seconds is equal to 4,070 years, 20 weeks, 6 days, 15 hours, 52 minutes, 48 seconds.
• To count from 1 to 128,012,543,568 would take you about eight thousand, one hundred forty 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 128012543568 cubic inches would be around 420 feet tall.

Recreational maths with 128012543568

• 128012543568 backwards is 865345210821
• The number of decimal digits it has is: 12
• The sum of 128012543568's digits is 45
• More coming soon!