18438536163736514

Names of 18438536163736514

• Cardinal: 18438536163736514 can be written as Eighteen quadrillion, four hundred thirty-eight trillion, five hundred thirty-six billion, one hundred sixty-three million, seven hundred thirty-six thousand, five hundred fourteen.

Scientific notation

• Scientific notation: 1.8438536163736514 × 10¹⁶

Factors of 18438536163736514

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 573

Divisors of 18438536163736514

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 7 14 17 19 34 37 38 49 74 98 119 133 238 259 266 323 343 361 491 518 629 646 686 703 722 833 931 982 1258 1406 1666 1813 1862 2261 2527 3437 3626 4403 4522 4921 5054 5831 6137 6517 6874 8347 8806 9329 9842 11662 11951 12274 12691 13034 13357 15827 16694 17689 18167 18658 23902 24059 25382 26714 30821 31654 34447 35378 36334 42959 48118 58429 61642 65303 68894 83657 85918 93499 110789 116858 123823 127169 130606 158593 167314 168413 177251 186998 215747 221578 227069 241081 241129 247646 254338 300713 308839 317186 336826 345173 354502 409003 431494 454138 457121 482162 482258 585599 601426 617678 654493 690346 818006 890183 914242 1110151 1171198 1240757 1308986 1589483 1687567 1780366 2104991 2161873 2220302 2416211 2481514 2863021 3013267 3178966 3199847 3375134 4098377 4099193 4209982 4323746 4580539 4581451 4832422 5726042 5867941 6026534 6231281 6399694 6558287 7771057 8196754 8198386 8685299 8919997 9161078 9162902 11126381 11735882 11812969 12462562 13116574 15133111 15542114 16913477 17370598 17839994 21092869 22252762 23625938 28688639 30266222 32063773 33826954 41075587 42185738 45908009 54397399 57377278 60797093 62439979 64127546 77869163 77884667 82151174 82690783 87030241 91816018 105931777 108794798 111490879 118370771 118394339 121594186 124879958 147650083 151639949 155738326 155769334 165381566 169479943 174060482 200820473 211863554 222981758 224446411 236741542 236788678 287529109 295300166 303279898 321356063 338959886 401640946 437079853 448892822 545084141 575058218 609211687 642712126 780436153 828595397 874159706 1033550581 1061479643 1090168282 1186359601 1218423374 1405743311 1479514097 1560872306 1571124877 1657190794 2012303107 2012703763 2067101162 2122959286 2249044649 2249492441 2372719202 2811486622 2881159031 2959028194 3059558971 3142249754 3220118917 3815588987 4024606214 4025407526 4264481809 4379718527 4498089298 4498984882 5463053071 5762318062 5800167779 6119117942 6440237834 7430357501 7631177974 8304517207 8528963618 8759437054 10356598679 10926106142 11600335558 14086121749 14860715002 15743312543 16609034414 20168113217 20713197358 22540832419 26709122909 28172243498 29851372663 30658029689 31486625086 38233759033 38241371497 40336226434 40601174453 42731848331 45081664838 52012502507 53418245818 54742021589 58131620449 59702745326 61316059378 72496190753 74455214959 76467518066 76482742994 81202348906 83214652013 85463696662 98602852243 104025005014 109484043178 110203187801 116263240898 141176792519 144992381506 148910429918 157785826933 166429304026 197205704486 214606207823 220406375602 267636313231 282353585038 299122938317 315571653866 383194151123 429212415646 507473335271 521186504713 535272626462 582502564091 598245876634 690219965701 726441421627 766388302246 771422314607 988237547633 1014946670542 1042373009426 1104500788531 1165005128182 1380439931402 1414649084221 1452882843254 1502243454761 1542844629214 1581078388247 1873454192617 1976475095266 2093860568219 2209001577062 2682359057861 2829298168442 3004486909522 3162156776494 3648305532991 3746908385234 4077517948637 4187721136438 5085089951389 5364718115722 7296611065982 8155035897274 9902543589547 10170179902778 11067548717729 13114179348319 14657023977533 18776513405027 19805087179094 22135097435458 25538138730937 26228358696638 26878332600199 28542625640459 29314047955066 35595629659723 37553026810054 51076277461874 53756665200398 57085251280918 69317805126829 71191259319446 77472841024103 138635610253658 154945682048206 188148328201393 249169407618061 376296656402786 485224635887803 498338815236122 542309887168721 970449271775606 1084619774337442 1317038297409751 2634076594819502 9219268081868257 18438536163736514
• Sum of all divisors σ(n): 37093021554931200
• Sum of proper divisors (its aliquot sum) s(n): 18654485391194686
• 18438536163736514 is an abundant number, because the sum of its proper divisors (18654485391194686) is greater than itself. Its abundance is 215949227458172

Bases of 18438536163736514

• Binary: 1000001100000011100000000111110001101111011101111000010₂
• Hexadecimal: 0x4181C03E37BBC2
• Base-36: 51JWYKQZQO2

Squares and roots of 18438536163736514

• 18438536163736514 squared (18438536163736514²) is 339979615861419242616654016872196
• 18438536163736514 cubed (18438536163736514³) is 6268726441994026848287803168213760411806556564744
• The square root of 18438536163736514 is 135788571.5505414469
• The cube root of 18438536163736514 is 264185.4000889333

Scales and comparisons

• 18,438,536,163,736,514 seconds is equal to 586,288,415 years, 45 weeks, 1 day, 13 hours, 55 minutes, 14 seconds.
• To count from 1 to 18,438,536,163,736,514 would take you about one billion, seven hundred fifty-eight million, eight hundred sixty-five thousand, two hundred forty-seven 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 18438536163736514 cubic inches would be around 22015.5 feet tall.

Recreational maths with 18438536163736514

• 18438536163736514 backwards is 41563736163583481
• 18438536163736514 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18438536163736514's digits is 74
• More coming soon!