1918993649664

Names of 1918993649664

• Cardinal: 1918993649664 can be written as One trillion, nine hundred eighteen billion, nine hundred ninety-three million, six hundred forty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.918993649664 × 10¹²

Factors of 1918993649664

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 130

Divisors of 1918993649664

• Number of divisors d(n): 1248
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 29 32 34 39 42 48 51 52 56 58 59 64 68 78 84 87 91 96 102 104 112 116 118 119 128 136 156 168 174 177 182 192 203 204 208 221 224 232 236 238 256 272 273 312 336 348 354 357 364 377 384 406 408 413 416 442 448 464 472 476 493 512 544 546 609 624 663 672 696 708 714 728 754 767 768 812 816 826 832 884 896 928 944 952 986 1003 1024 1088 1092 1131 1218 1239 1248 1326 1344 1392 1416 1428 1456 1479 1508 1534 1536 1547 1624 1632 1652 1664 1711 1768 1792 1856 1888 1904 1972 2006 2048 2176 2184 2262 2301 2436 2478 2496 2639 2652 2688 2784 2832 2856 2912 2958 3009 3016 3068 3072 3094 3248 3264 3304 3328 3422 3451 3481 3536 3584 3712 3776 3808 3944 4012 4096 4352 4368 4524 4602 4641 4872 4956 4992 5133 5278 5304 5369 5376 5568 5664 5712 5824 5916 6018 6032 6136 6144 6188 6409 6496 6528 6608 6656 6844 6902 6962 7021 7072 7168 7424 7552 7616 7888 7917 8024 8704 8736 9048 9204 9282 9744 9912 9984 10266 10353 10443 10556 10608 10738 10752 11136 11328 11424 11648 11832 11977 12036 12064 12272 12288 12376 12818 12992 13039 13056 13216 13312 13688 13804 13924 14042 14144 14336 14848 15104 15232 15776 15834 16048 16107 17408 17472 18096 18408 18564 19227 19488 19824 19968 20532 20706 20886 21063 21112 21216 21476 21504 22243 22272 22656 22848 23296 23664 23954 24072 24128 24367 24544 24752 25636 25984 26078 26112 26432 26624 27376 27608 27848 28084 28288 28672 29087 29696 30208 30464 31552 31668 32096 32214 34816 34944 35931 36192 36816 37128 38454 38976 39117 39648 39936 41064 41412 41772 42126 42224 42432 42952 43008 44486 44544 44863 45253 45312 45696 46592 47328 47908 48144 48256 48734 49088 49504 51272 51968 52156 52224 52864 53248 54752 55216 55696 56168 56576 58174 59177 59392 60416 60928 63104 63336 64192 64428 66729 69632 69888 71862 72384 73101 73632 74256 76908 77952 78234 79296 79872 82128 82824 83544 84252 84448 84864 85904 86016 87261 88972 89088 89726 90506 90624 91273 91392 93184 94656 95816 96288 96512 97468 98176 99008 100949 102544 103936 104312 104448 105728 109504 110432 111392 112336 113152 116348 118354 118784 120832 121856 126208 126672 128384 128856 133458 134589 135759 139776 143724 144768 146202 147264 148512 153816 155701 155904 156468 158592 159744 164256 165648 167088 168504 168896 169728 171808 174522 177531 177944 178176 179452 181012 181248 182546 182784 186368 189312 191632 192576 193024 194936 196352 198016 201898 203609 205088 207872 208624 208896 211456 219008 220864 222784 224672 226304 232696 236708 241664 243712 252416 253344 256768 257712 266916 269178 271518 273819 279552 287448 289536 292404 294528 297024 302847 307632 311402 311808 312936 316771 317184 328512 331296 334176 337008 337792 339456 343616 349044 355062 355888 356352 358904 362024 362496 365092 365568 372736 378131 378624 383264 385152 386048 389872 392704 396032 403796 407218 410176 414239 415744 417248 422912 438016 441728 445568 449344 452608 465392 467103 473416 487424 504832 506688 513536 515424 533832 538356 543036 547638 559104 574896 579072 584808 589056 594048 605694 610827 615264 622804 623616 625872 633542 634368 657024 662592 668352 674016 675584 678912 687232 698088 706643 710124 711776 717808 724048 724992 730184 731136 756262 757248 766528 769301 770304 772096 779744 785408 792064 807592 814436 820352 828478 831488 834496 845824 876032 883456 891136 898688 905216 930784 934206 946832 950313 1009664 1013376 1027072 1030848 1067664 1076712 1086072 1095276 1118208 1134393 1149792 1158144 1169616 1178112 1188096 1211388 1221654 1230528 1242717 1245608 1247232 1251744 1267084 1268736 1312337 1314048 1325184 1336704 1348032 1351168 1357824 1374464 1396176 1413286 1420248 1423552 1435616 1448096 1460368 1462272 1512524 1514496 1533056 1538602 1540608 1544192 1559488 1570816 1584128 1615184 1628872 1640704 1656956 1668992 1691648 1716133 1752064 1766912 1782272 1797376 1861568 1868412 1893664 1900626 2019328 2026752 2054144 2061696 2119929 2135328 2153424 2172144 2190552 2268786 2299584 2307903 2316288 2339232 2356224 2376192 2422776 2443308 2461056 2485434 2491216 2494464 2503488 2534168 2537472 2624674 2628096 2646917 2650368 2673408 2696064 2702336 2715648 2748928 2792352 2826572 2840496 2847104 2871232 2896192 2920736 3025048 3028992 3066112 3077204 3081216 3118976 3141632 3168256 3230368 3257744 3281408 3313912 3337984 3432266 3504128 3533824 3564544 3594752 3723136 3736824 3787328 3801252 3937011 4053504 4108288 4123392 4239858 4270656 4306848 4344288 4381104 4537572 4599168 4615806 4632576 4678464 4712448 4752384 4845552 4886616 4922112 4970868 4982432 5006976 5068336 5074944 5148399 5249348 5256192 5293834 5300736 5346816 5385107 5392128 5404672 5497856 5584704 5653144 5680992 5694208 5742464 5792384 5841472 6050096 6057984 6132224 6154408 6162432 6237952 6336512 6460736 6515488 6562816 6627824 6675968 6864532 7008256 7067648 7129088 7189504 7446272 7473648 7574656 7602504 7874022 7940751 8107008 8246784 8479716 8541312 8613696 8688576 8762208 9075144 9186359 9198336 9231612 9356928 9424896 9504768 9691104 9773232 9844224 9941736 9964864 10013952 10136672 10296798 10498696 10512384 10587668 10601472 10693632 10770214 10784256 10809344 10995712 11169408 11306288 11361984 11388416 11484928 11584768 11682944 12012931 12100192 12264448 12308816 12324864 12475904 12921472 13030976 13125632 13255648 13351936 13729064 14135296 14258176 14379008 14892544 14947296 15149312 15205008 15748044 15881502 16155321 16214016 16493568 16959432 17082624 17227392 17377152 17524416 18150288 18372718 18396672 18463224 18713856 19009536 19382208 19546464 19688448 19883472 19929728 20027904 20273344 20593596 20997392 21024768 21175336 21202944 21387264 21540428 21568512 21991424 22309729 22338816 22612576 22723968 22776832 22969856 23169536 23365888 24025862 24200384 24528896 24617632 24951808 25842944 26061952 26251264 26511296 26703872 27458128 27559077 28758016 29785088 29894592 30298624 30410016 31496088 31763004 32310642 32428032 32987136 33918864 34165248 34454784 34754304 35048832 36038793 36300576 36745436 36793344 36926448 37427712 38764416 39092928 39376896 39766944 39859456 40055808 40546688 41187192 41994784 42350672 42405888 42774528 43080856 43137024 44619458 44677632 45225152 45447936 45553664 45939712 46339072 46731776 48051724 48400768 49057792 49235264 49903616 51685888 52123904 53022592 53407744 54916256 55118154 59570176 59789184 60597248 60820032 62992176 63526008 64621284 65974272 66929187 67837728 68330496 68909568 69508608 70097664 72077586 72601152 73490872 73586688 73852896 74855424 77528832 78185856 78753792 79533888 79718912 80111616 81093376 82374384 83989568 84701344 86161712 86274048 89238916 89355264 90450304 90895872 91107328 91879424 92678144 93463552 96103448 96801536 98470528 99807232 103371776 104247808 106045184 109832512 110236308 119140352 119578368 121194496 121640064 125984352 127052016 129242568 133858374 135675456 136660992 137819136 139017216 140195328 144155172 145202304 146981744 147173376 147705792 149710848 155057664 156168103 156371712 159067776 159437824 160223232 162186752 164748768 167979136 169402688 172323424 178477832 178710528 180900608 181791744 183758848 185356288 186927104 192206896 193603072 196941056 206743552 208495616 212090368 219665024 220472616 239156736 242388992 243280128 251968704 254104032 258485136 267716748 271350912 273321984 275638272 278034432 280390656 288310344 290404608 293963488 295411584 299421696 310115328 312336206 312743424 318135552 318875648 324373504 329497536 335958272 338805376 344646848 356955664 357421056 361801216 363583488 373854208 384413792 387206144 393882112 413487104 416991232 424180736 439330048 440945232 468504309 478313472 486560256 503937408 508208064 516970272 535433496 542701824 551276544 556068864 560781312 576620688 580809216 587926976 590823168 620230656 624672412 625486848 636271104 637751296 648747008 658995072 671916544 677610752 689293696 713911328 723602432 727166976 768827584 774412288 787764224 833982464 848361472 878660096 881890464 937008618 956626944 973120512 1007874816 1016416128 1033940544 1070866992 1085403648 1121562624 1153241376 1161618432 1175853952 1181646336 1240461312 1249344824 1250973696 1272542208 1297494016 1317990144 1343833088 1355221504 1378587392 1427822656 1447204864 1537655168 1548824576 1575528448 1696722944 1757320192 1763780928 1874017236 1913253888 1946241024 2015749632 2032832256 2067881088 2141733984 2170807296 2306482752 2323236864 2351707904 2363292672 2498689648 2501947392 2545084416 2635980288 2687666176 2710443008 2757174784 2855645312 2894409728 3075310336 3151056896 3514640384 3527561856 3748034472 3892482048 4031499264 4065664512 4135762176 4283467968 4341614592 4612965504 4646473728 4703415808 4726585344 4997379296 5090168832 5271960576 5375332352 5420886016 5514349568 5711290624 6150620672 7029280768 7055123712 7496068944 8062998528 8131329024 8271524352 8566935936 8683229184 9225931008 9406831616 9453170688 9994758592 10543921152 10841772032 11028699136 11422581248 12301241344 14110247424 14992137888 16125997056 16262658048 16543048704 17133871872 18451862016 18813663232 19989517184 21087842304 22057398272 22845162496 24602482688 28220494848 29984275776 32525316096 33086097408 34267743744 36903724032 37627326464 39979034368 45690324992 49204965376 56440989696 59968551552 66172194816 68535487488 73807448064 79958068736 91380649984 112881979392 119937103104 137070974976 147614896128 159916137472 239874206208 274141949952 319832274944 479748412416 639664549888 959496824832 1918993649664
• Sum of all divisors σ(n): 7016727755520
• Sum of proper divisors (its aliquot sum) s(n): 5097734105856
• 1918993649664 is an abundant number, because the sum of its proper divisors (5097734105856) is greater than itself. Its abundance is 3178740456192

Bases of 1918993649664

• Binary: 11011111011001100111011110101000000000000₂
• Hexadecimal: 0x1BECCEF5000
• Base-36: OHKN9SLC

Squares and roots of 1918993649664

• 1918993649664 squared (1918993649664²) is 3682536627450758767312896
• 1918993649664 cubed (1918993649664³) is 7066764402733089455331820041293266944
• The square root of 1918993649664 is 1385277.4630607401
• The cube root of 1918993649664 is 12426.7581412051

Scales and comparisons

• 1,918,993,649,664 seconds is equal to 61,018 years, 3 weeks, 1 day, 15 hours, 34 minutes, 24 seconds.
• To count from 1 to 1,918,993,649,664 would take you about one hundred fifty-two thousand, five hundred forty-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 1918993649664 cubic inches would be around 1035.6 feet tall.

Recreational maths with 1918993649664

• 1918993649664 backwards is 4669463998191
• The number of decimal digits it has is: 13
• The sum of 1918993649664's digits is 75
• More coming soon!