128729555136

Names of 128729555136

• Cardinal: 128729555136 can be written as One hundred twenty-eight billion, seven hundred twenty-nine million, five hundred fifty-five thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 1.28729555136 × 10¹¹

Factors of 128729555136

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 268

Divisors of 128729555136

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 28 32 36 38 39 42 48 52 56 57 61 63 64 72 76 78 84 91 96 104 112 114 117 122 126 133 144 152 156 163 168 169 171 182 183 192 208 224 228 234 244 247 252 266 273 288 304 312 326 336 338 342 364 366 399 416 427 448 456 468 488 489 494 504 507 532 546 549 576 608 624 652 672 676 684 728 732 741 793 798 819 832 854 912 936 976 978 988 1008 1014 1064 1092 1098 1141 1159 1183 1197 1216 1248 1281 1304 1344 1352 1368 1456 1464 1467 1482 1521 1586 1596 1638 1708 1729 1824 1872 1952 1956 1976 2016 2028 2119 2128 2184 2196 2223 2282 2318 2366 2379 2394 2496 2562 2608 2704 2736 2912 2928 2934 2964 3042 3097 3172 3192 3211 3276 3416 3423 3458 3477 3549 3648 3744 3843 3904 3912 3952 4032 4056 4238 4256 4368 4392 4446 4564 4636 4732 4758 4788 5124 5187 5216 5408 5472 5551 5824 5856 5868 5928 6084 6194 6344 6357 6384 6422 6552 6832 6846 6916 6954 7098 7137 7488 7686 7824 7904 8112 8113 8476 8512 8736 8784 8892 9128 9272 9291 9464 9516 9576 9633 9943 10248 10269 10309 10374 10431 10432 10647 10816 10944 11102 11712 11736 11856 12168 12388 12688 12714 12768 12844 13104 13664 13692 13832 13908 14196 14274 14833 15067 15372 15561 15648 15808 16224 16226 16653 16952 17472 17568 17784 18256 18544 18582 18928 19032 19071 19152 19266 19886 20496 20538 20618 20748 20862 21294 21679 22204 22477 23472 23712 24336 24339 24776 25376 25428 25536 25688 26208 27328 27384 27547 27664 27816 27873 28392 28548 28899 29666 29829 30134 30744 30927 31122 31296 32448 32452 33306 33904 35136 35568 36512 37088 37164 37856 38064 38142 38304 38532 39772 40261 40992 41076 41236 41496 41724 42588 43358 44408 44499 44954 45201 46944 47424 48672 48678 49552 49959 50752 50856 51376 52416 54768 55094 55328 55632 55746 56784 57096 57798 59332 59658 60268 61488 61854 62244 64904 65037 66612 67431 67808 69601 71136 72163 73017 73024 74176 74328 75712 76128 76284 76608 77064 79544 80522 81984 82152 82472 82641 82992 83448 85176 86716 88816 88998 89487 89908 90402 92781 93888 97344 97356 99104 99918 101712 102752 105469 109536 110188 110656 111264 111492 113568 114192 115596 118664 119316 120536 120783 122976 123708 124488 129259 129808 130074 133224 133497 134862 135603 135616 139202 142272 144326 146034 148656 152256 152568 154128 159088 161044 164304 164944 165282 165984 166896 170352 173432 177632 177996 178974 179816 180804 185562 188917 192829 194712 195111 195871 198208 199836 202293 203424 205504 208803 210938 216489 219072 220376 222528 222984 227136 228384 231192 237328 238632 241072 241566 245952 247416 247923 248976 258518 259616 260148 266448 266994 269724 271206 278404 281827 288652 292068 297312 305136 308256 316407 318176 322088 328608 329888 330564 331968 333792 340704 346864 355264 355992 357948 359632 361608 362349 371124 377834 385658 387777 389424 390222 391742 399672 404586 406848 417606 421876 432978 440752 445968 456768 462384 474656 477264 482144 483132 494832 495846 497952 517036 519232 520296 523393 532896 533988 539448 542412 556808 563654 566751 577304 578487 584136 587613 594624 610272 616512 626409 632814 636352 644176 649467 657216 659776 661128 667584 681408 693728 711984 715896 719264 723216 724698 742248 755668 771316 775554 778848 780444 783484 799344 809172 835212 843752 845481 865956 881504 891936 904813 924768 949221 949312 954528 964288 966264 989664 991692 995904 1034072 1040592 1046786 1065792 1067976 1078896 1084824 1113616 1127308 1133502 1154608 1156974 1163331 1168272 1175226 1220544 1252818 1265628 1288352 1298934 1322256 1322419 1371097 1387456 1423968 1431792 1438528 1446432 1449396 1484496 1511336 1542632 1551108 1557696 1560888 1566968 1570179 1598688 1618344 1670424 1680367 1687504 1690962 1700253 1731912 1735461 1762839 1763008 1783872 1809626 1849536 1898442 1909056 1932528 1979328 1983384 2068144 2081184 2093572 2135952 2157792 2169648 2227232 2254616 2267004 2309216 2313948 2326662 2336544 2350452 2455921 2505636 2531256 2536443 2576704 2597868 2644512 2644838 2714439 2742194 2847936 2863584 2892864 2898792 2968992 3022672 3085264 3102216 3121776 3133936 3140358 3197376 3236688 3340848 3360734 3375008 3381924 3400506 3463824 3470922 3525678 3619252 3663751 3796884 3865056 3966768 3967257 4113291 4136288 4162368 4187144 4271904 4315584 4339296 4454464 4509232 4534008 4618432 4627896 4653324 4673088 4700904 4710537 4911842 5011272 5041101 5062512 5072886 5195736 5289024 5289676 5428878 5484388 5727168 5797584 5937984 6045344 6170528 6204432 6243552 6267872 6280716 6473376 6681696 6721468 6750016 6763848 6801012 6927648 6941844 7051356 7238504 7327502 7367763 7593768 7730112 7933536 7934514 8143317 8226582 8272576 8374288 8543808 8678592 9018464 9068016 9255792 9306648 9401808 9421074 9823684 10022544 10082202 10125024 10145772 10391472 10579352 10857756 10968776 10991253 11595168 11762569 11901771 12090688 12339873 12341056 12408864 12487104 12535744 12561432 12946752 13363392 13442936 13527696 13602024 13855296 13883688 14102712 14477008 14655004 14735526 15123303 15187536 15867072 15869028 16286634 16453164 16748576 17191447 18036928 18136032 18511584 18613296 18803616 18842148 19647368 20045088 20164404 20250048 20291544 20782944 21158704 21715512 21937552 21982506 22103289 23190336 23525138 23803542 24679746 24817728 25122864 26885872 27055392 27204048 27767376 28205424 28954016 29310008 29471052 30246606 30375072 31738056 31926973 32573268 32906328 32973759 33497152 34382894 35287707 36272064 37023168 37226592 37607232 37684296 39294736 40090176 40328808 40583088 41565888 42317408 43431024 43875104 43965012 44206578 47050276 47607084 49359492 50245728 51574341 53771744 54110784 54408096 55534752 56410848 57908032 58620016 58942104 60493212 60750144 63476112 63853946 65146536 65812656 65947518 68765788 70575414 74453184 75368592 78589472 80657616 81166176 84634816 86862048 87750208 87930024 88413156 94100552 95214168 95780919 98718984 100491456 103148682 105863121 107543488 108816192 111069504 112821696 117240032 117884208 120986424 126952224 127707892 130293072 131625312 131895036 137531576 141150828 150737184 154723023 157178944 161315232 162332352 173724096 175860048 176826312 188201104 190428336 191561838 197437968 206297364 211726242 223488811 234480064 235768416 241972848 253904448 255415784 260586144 263250624 263790072 275063152 282301656 287342757 301474368 309446046 322630464 351720096 353652624 376402208 380856672 383123676 394875936 412594728 423452484 446977622 471536832 483945696 510831568 521172288 527580144 550126304 564603312 574685514 618892092 670466433 703440192 707305248 752804416 761713344 766247352 789751872 825189456 846904968 893955244 967891392 1021663136 1055160288 1100252608 1129206624 1149371028 1237784184 1340932866 1414610496 1532494704 1650378912 1693809936 1787910488 2011399299 2043326272 2110320576 2258413248 2298742056 2475568368 2681865732 3064989408 3300757824 3387619872 3575820976 4022798598 4597484112 4951136736 5363731464 6129978816 6775239744 7151641952 8045597196 9194968224 9902273472 10727462928 14303283904 16091194392 18389936448 21454925856 32182388784 42909851712 64364777568 128729555136
• Sum of all divisors σ(n): 491534135040
• Sum of proper divisors (its aliquot sum) s(n): 362804579904
• 128729555136 is an abundant number, because the sum of its proper divisors (362804579904) is greater than itself. Its abundance is 234075024768

Bases of 128729555136

• Binary: 1110111111000111000010010000011000000₂
• Hexadecimal: 0x1DF8E120C0
• Base-36: 1N4Y94G0

Squares and roots of 128729555136

• 128729555136 squared (128729555136²) is 16571298365512463978496
• 128729555136 cubed (128729555136³) is 2133215866618343412615014750355456
• The square root of 128729555136 is 358789.0120056633
• The cube root of 128729555136 is 5049.2408771165

Scales and comparisons

• 128,729,555,136 seconds is equal to 4,093 years, 10 weeks, 3 days, 9 hours, 45 minutes, 36 seconds.
• To count from 1 to 128,729,555,136 would take you about eight thousand, one hundred eighty-six 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 128729555136 cubic inches would be around 420.8 feet tall.

Recreational maths with 128729555136

• 128729555136 backwards is 631555927821
• The number of decimal digits it has is: 12
• The sum of 128729555136's digits is 54
• More coming soon!