385290787728

Names of 385290787728

• Cardinal: 385290787728 can be written as Three hundred eighty-five billion, two hundred ninety million, seven hundred eighty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.85290787728 × 10¹¹

Factors of 385290787728

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 478

Divisors of 385290787728

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 17 19 21 22 24 28 29 31 33 34 38 42 44 48 51 56 57 58 62 66 68 76 77 84 87 88 93 102 112 114 116 119 124 132 133 136 152 154 168 174 176 186 187 203 204 209 217 228 231 232 238 248 264 266 272 304 308 319 323 336 341 348 357 359 372 374 399 406 408 418 434 456 462 464 476 493 496 527 528 532 551 561 589 609 616 627 638 646 651 682 696 714 718 744 748 798 812 816 836 868 899 912 924 952 957 969 986 1023 1054 1064 1077 1102 1122 1178 1218 1232 1254 1276 1292 1302 1309 1364 1392 1428 1436 1463 1479 1488 1496 1581 1596 1624 1653 1672 1736 1767 1798 1848 1904 1914 1938 1972 2046 2108 2128 2154 2204 2233 2244 2261 2356 2387 2436 2508 2513 2552 2584 2604 2618 2697 2728 2856 2872 2926 2958 2992 3162 3192 3248 3306 3344 3451 3472 3534 3553 3596 3689 3696 3828 3857 3876 3927 3944 3949 4092 4123 4216 4308 4389 4408 4466 4488 4522 4712 4774 4872 5016 5026 5104 5168 5208 5236 5394 5423 5456 5712 5744 5797 5852 5916 6061 6103 6293 6324 6384 6479 6612 6699 6783 6821 6902 7068 7106 7161 7192 7378 7539 7656 7714 7752 7854 7888 7898 8184 8246 8432 8616 8778 8816 8932 8976 9044 9367 9424 9548 9744 9889 10013 10032 10052 10353 10411 10416 10472 10659 10788 10846 11067 11129 11571 11594 11704 11832 11847 12122 12206 12369 12586 12648 12958 13224 13398 13566 13642 13804 14136 14212 14322 14384 14756 15078 15283 15312 15428 15504 15708 15796 16269 16368 16492 17081 17232 17391 17556 17864 18088 18183 18309 18734 18879 19096 19437 19778 20026 20104 20463 20706 20822 20944 21318 21576 21692 22134 22258 23142 23188 23408 23664 23694 24244 24412 24738 24871 25172 25296 25916 26448 26796 27132 27284 27608 27643 28101 28272 28424 28644 29512 29667 30039 30156 30566 30856 31233 31416 31592 32538 32984 33387 34162 34782 35112 35728 36176 36366 36618 37468 37758 37961 38192 38874 39556 40052 40208 40579 40926 41412 41644 42427 42636 42721 43152 43384 44268 44516 45353 45849 46284 46376 47388 47747 48488 48824 49476 49742 50344 51243 51832 53592 54264 54568 55216 55286 56202 56848 57288 59024 59334 60078 60312 61132 61712 62466 62832 63184 65076 65569 65968 66774 67133 68324 69223 69564 70091 70224 72732 72877 73236 74613 74936 75031 75516 75922 77748 77903 79112 80104 81158 81852 82824 82929 83288 84854 85272 85442 86768 88536 89032 90706 91698 92568 92752 94776 95494 96976 97648 98952 99484 100688 102486 103037 103664 106981 107184 108528 109136 110143 110572 112404 113883 114521 114576 115957 118668 119567 120156 120624 121737 122264 122419 124932 127281 128163 130152 131138 133548 134266 136059 136648 138446 139128 140182 143241 145464 145754 146472 149226 149872 150062 151032 151844 155496 155806 158224 160208 162316 163704 165648 165858 166576 168113 169708 170544 170884 176987 177072 178064 181412 183396 185136 187891 189193 189552 190988 196707 197809 197904 198968 201399 204972 206074 207669 210273 211451 213962 218631 220286 221144 224808 225093 227766 229042 231914 233709 237336 239134 240312 243474 244528 244838 249864 254562 256326 260304 262276 267096 268532 272118 273296 276892 278256 280364 286482 290377 290928 291508 292944 298452 300124 302064 303688 309111 310992 311612 320943 322741 324632 327408 330429 331716 336226 339416 341768 343563 347871 353974 358701 362824 366792 367257 375782 378386 381976 393414 395618 397936 402798 409944 412148 415338 420546 422902 427924 437262 440572 442288 449616 450186 455532 458084 463828 467418 469931 474672 478268 480624 486948 489676 499728 504339 509124 512652 524552 525217 530961 534192 537064 544236 553784 560728 563673 567579 572964 580754 583016 593427 596904 600248 607376 618222 623224 634353 641886 645482 649264 660858 663432 672452 678832 683536 687126 695742 707948 717402 721259 725648 733584 734514 751564 756772 763952 771001 786828 791236 801647 805596 811699 819888 824296 830676 841092 845804 855848 856933 871131 874524 881144 900372 911064 916168 927656 934836 939862 956536 968223 973896 979352 1008678 1018248 1025304 1049104 1050434 1061922 1074128 1088472 1107568 1121456 1127346 1135158 1145928 1161508 1166032 1176791 1186854 1193808 1200496 1236444 1238909 1246448 1268706 1275527 1283772 1290964 1315237 1321716 1324351 1326864 1344904 1374252 1384663 1391484 1409793 1415896 1434804 1442518 1469028 1480157 1503128 1513544 1542002 1573656 1575651 1582472 1603294 1611192 1623398 1648592 1661352 1682184 1691608 1711696 1713866 1742262 1749048 1762288 1800744 1822128 1832336 1855312 1869672 1879724 1913072 1936446 1946857 1947792 1958704 2017356 2032639 2036496 2050608 2081123 2100868 2123844 2163777 2175899 2176944 2254692 2259187 2270316 2291856 2313003 2323016 2325961 2353582 2373708 2404941 2435097 2472888 2477818 2537412 2551054 2567544 2570799 2581928 2630474 2643432 2648702 2689808 2748504 2769326 2782968 2819586 2831792 2869608 2885036 2938056 2960314 3006256 3027088 3084004 3147312 3151302 3164944 3194147 3206588 3222384 3246796 3322704 3362753 3364368 3383216 3427732 3484524 3498096 3530373 3550151 3594667 3601488 3716727 3739344 3759448 3826581 3872892 3893714 3945711 3973053 4034712 4065278 4153989 4162246 4201736 4247688 4327554 4351798 4440471 4509384 4518374 4540632 4626006 4646032 4651922 4707164 4747416 4809882 4870194 4945776 4955636 5074824 5102108 5135088 5141598 5163856 5260948 5286864 5297404 5486597 5497008 5538652 5565936 5639172 5739216 5770072 5840571 5876112 5920628 6097917 6132079 6168008 6243369 6302604 6388294 6413176 6493592 6527697 6725506 6777561 6855464 6969048 6977883 7060746 7100302 7189334 7433454 7518896 7653162 7745784 7787428 7891422 7946106 8069424 8130556 8307978 8324492 8403472 8495376 8655108 8703596 8880942 8928689 9018768 9036748 9081264 9252012 9303844 9414328 9494832 9582441 9619764 9740388 9911272 10088259 10149648 10204216 10283196 10521896 10594808 10650453 10784001 10973194 11077304 11278344 11540144 11681142 11841256 12195834 12264158 12336016 12486738 12605208 12776588 12826352 12987184 13055394 13451012 13555122 13627999 13710928 13938096 13955766 14121492 14200604 14378668 14567861 14866908 15231293 15306324 15491568 15574856 15782844 15892212 16261112 16281727 16459791 16615956 16648984 17310216 17407192 17761884 17857378 18073496 18396237 18504024 18607688 18828656 19164882 19239528 19480776 19822544 20176518 20408432 20566392 21043792 21189616 21300906 21568002 21946388 22154608 22359029 22556688 23362284 23539271 23682512 24391668 24528316 24851057 24973476 25162669 25210416 25553176 26110788 26786067 26902024 27110244 27255998 27911532 28242984 28401208 28757336 29135722 29733816 30462586 30612648 31149712 31565688 31784424 32522224 32563454 32919582 33231912 33297968 34620432 34814384 35523768 35714756 36146992 36792474 36990283 37008048 37215376 38329764 38406179 38479056 38961552 39541337 40353036 40883997 41132784 42601812 42924553 43136004 43703583 43892776 44718058 45693879 46724568 47078542 48783336 48845181 49056632 49702114 49946952 50325338 51106352 52221576 53572134 53804048 54220488 54511996 55823064 56485968 56802416 57514672 58271444 59467632 60352567 60925172 61225296 63131376 63568848 65126908 65839164 66463824 67077087 67452869 70617813 71047536 71429512 73584948 73980566 74553171 75488007 76659528 76812358 79082674 80706072 81767994 85203624 85849106 86272008 87407166 87785552 89436116 91387758 93449136 94157084 97566672 97690362 98113264 99404228 99893904 100650676 104245343 104443152 107144268 108440976 109023992 110970849 111646128 115218537 116542888 118624011 120705134 121850344 128773659 130253816 131678328 134154174 134905738 141235626 142859024 147169896 147961132 149106342 150976014 153319056 153624716 158165348 161412144 163535988 170407248 171698212 172544016 174814332 178872232 181057701 182775516 188314168 195380724 198808456 201301352 202358607 208490686 214288536 218047984 221941698 230437074 233085776 237248022 241410268 243700688 257547318 258931981 260507632 263356656 268308348 269811476 276789359 282471252 294339792 295922264 298212684 301952028 307249432 312736029 316330696 327071976 343396424 349628664 357744464 362115402 365551032 376628336 390761448 397616912 402602704 404717214 416981372 422467969 428577072 443883396 460874148 472170083 474496044 482820536 515094636 517863962 536616696 539622952 553578718 564942504 591844528 596425368 603904056 614498864 625472058 632661392 654143952 686792848 699257328 724230804 729717401 731102064 776795943 781522896 809434428 830368077 833962744 844935938 887766792 921748296 944340166 948992088 965641072 1030189272 1035727924 1073233392 1079245904 1107157436 1129885008 1146698773 1192850736 1207808112 1250944116 1267403907 1416510249 1448461608 1459434802 1553591886 1618868856 1660736154 1667925488 1689871876 1775533584 1843496592 1888680332 1897984176 2060378544 2071455848 2189152203 2214314872 2293397546 2501888232 2534807814 2833020498 2896923216 2918869604 3107183772 3237737712 3321472308 3379743752 3440096319 3777360664 4142911696 4378304406 4428629744 4586795092 5003776464 5069615628 5666040996 5837739208 6214367544 6642944616 6759487504 6880192638 7554721328 8026891411 8756608812 9173590184 10139231256 11332081992 11675478416 12428735088 13285889232 13760385276 16053782822 17513217624 18347180368 20278462512 22664163984 24080674233 27520770552 32107565644 35026435248 48161348466 55041541104 64215131288 96322696932 128430262576 192645393864 385290787728
• Sum of all divisors σ(n): 1481048064000
• Sum of proper divisors (its aliquot sum) s(n): 1095757276272
• 385290787728 is an abundant number, because the sum of its proper divisors (1095757276272) is greater than itself. Its abundance is 710466488544

Bases of 385290787728

• Binary: 101100110110101000111101101101110010000₂
• Hexadecimal: 0x59B51EDB90
• Base-36: 4X006QHC

Squares and roots of 385290787728

• 385290787728 squared (385290787728²) is 148448991108062755401984
• 385290787728 cubed (385290787728³) is 57196028721452366600888602654052352
• The square root of 385290787728 is 620717.9614994237
• The cube root of 385290787728 is 7276.6174191209

Scales and comparisons

• 385,290,787,728 seconds is equal to 12,251 years, 2 weeks, 6 days, 2 hours, 48 minutes, 48 seconds.
• To count from 1 to 385,290,787,728 would take you about twenty-four thousand, five hundred two 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 385290787728 cubic inches would be around 606.4 feet tall.

Recreational maths with 385290787728

• 385290787728 backwards is 827787092583
• 385290787728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 385290787728's digits is 66
• More coming soon!