18128960982973185

Names of 18128960982973185

• Cardinal: 18128960982973185 can be written as Eighteen quadrillion, one hundred twenty-eight trillion, nine hundred sixty billion, nine hundred eighty-two million, nine hundred seventy-three thousand, one hundred eighty-five.

Scientific notation

• Scientific notation: 1.8128960982973185 × 10¹⁶

Factors of 18128960982973185

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 178793

Divisors of 18128960982973185

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 15 19 29 31 57 61 67 87 93 95 97 145 155 183 201 285 291 305 335 435 465 485 551 589 899 915 1005 1159 1273 1455 1653 1767 1769 1843 1891 1943 2077 2697 2755 2813 2945 3007 3477 3819 4087 4495 5307 5529 5673 5795 5829 5917 6231 6365 6499 8265 8439 8835 8845 9021 9215 9455 9715 10385 12261 13485 14065 15035 17081 17385 17751 19095 19497 20435 26535 27645 28365 29145 29585 31155 32495 33611 35929 36917 39463 42195 45105 51243 53447 54839 57133 60233 61305 77653 85405 87203 88755 97485 100833 107787 110751 112423 118389 118523 123481 126697 160341 164517 168055 171399 171593 178481 179645 180699 183427 184585 188471 197315 201469 232959 256215 261609 267235 274195 285665 301165 337269 355569 370443 380091 388265 396439 436015 504165 514779 535443 538935 550281 553755 562115 565413 591945 592615 604407 617405 633485 801705 822585 856995 857965 892405 903495 917135 942355 1007345 1041941 1144427 1164795 1189317 1308045 1656857 1686345 1777845 1852215 1900455 1982195 2251937 2407243 2573895 2677215 2751405 2827065 3022035 3125823 3260267 3391139 3433281 3485113 3580949 3674213 3827911 4970571 5175949 5209705 5319383 5532911 5722135 5842601 5946585 6755811 7221729 7532341 8284285 9780801 10173417 10455339 10742847 10887341 11022639 11259685 11483733 11496731 11958227 12036215 12289609 15527847 15629115 15958149 16301335 16598733 16955695 17166405 17312657 17425565 17527803 17904745 18371065 19139555 22597023 24852855 25879745 26596915 27664555 29213005 32662023 33779055 34490193 35874681 36108645 36868827 37661705 48904005 50867085 51937971 52276695 53714235 54436705 55113195 57418665 57483655 59791135 61448045 69810047 77639235 79790745 82993665 86563285 87639015 98343031 101068277 105125309 111009419 112985115 160454419 163310115 172450965 179373405 184344135 206859479 209430141 218437889 227206313 233502571 259689855 295029093 303204831 315375927 315732889 328940483 333028257 337507571 346788583 349050235 356398661 370705037 481363257 491715155 502067053 505341385 525626545 536692367 555047095 620578437 655313667 681618939 700507713 729451847 802272095 947198667 986821449 1012522713 1034297395 1040365749 1047150705 1056072077 1069195983 1092189445 1112115111 1136031565 1159948019 1167512855 1475145465 1506201159 1516024155 1576879635 1578664445 1610077101 1644702415 1665141285 1687537855 1733942915 1781993305 1853525185 2188355541 2406816285 2510335265 2683461835 3048633961 3102892185 3168216231 3276568335 3408094695 3479844057 3502538565 3647259235 4735993335 4934107245 5062613565 5201828745 5280360385 5345979915 5560575555 5799740095 5998924891 6412643849 6588983077 6771574559 7043395703 7531005795 8050385505 9145901883 9539274007 9787719559 10197154973 10750446073 10941777705 13859585093 15243169805 15564078643 15841081155 17399220285 17996774673 19237931547 19766949231 20065369463 20314723677 21130187109 21154103563 22039012361 22613007257 28617822021 29363158677 29994624455 30591464919 30626090233 32063219245 32251338219 32738234387 32944915385 33638492551 33857872795 35216978515 35958388589 41578755279 45729509415 46692235929 47696370035 48938597795 50985774865 53752230365 60196108389 63462310689 66117037083 67839021771 69297925465 70756829159 77820393215 89983873365 91878270699 96189657735 98214703161 98834746155 100326847315 100915477653 101573618385 105650935545 105770517815 107875165767 110195061805 113065036285 143089110105 146815793385 152957324595 153130451165 161256691095 163691171935 168192462755 179791942945 185966671621 204258475387 207893776395 212270487477 233461179645 295717494217 300980541945 317311553445 330585185415 339195108855 353784145795 401927967697 429647137883 459391353495 491073515805 504577388265 539375828835 557900014863 581895714427 612775426161 622026453353 639131358469 655777210453 683209383191 887152482651 929833358105 949408797223 1021292376935 1042793269081 1061352437385 1205783903091 1288941413649 1344379754021 1478587471085 1745687143281 1866079360059 1917394075407 1967331631359 2009639838485 2049628149573 2051948045611 2148235689415 2193461703929 2789500074315 2848226391669 2909478572135 3063877130805 3110132266765 3128379807243 3195656792345 3278886052265 3416046915955 4033139262063 4435762413255 4747043986115 5213966345405 6028919515455 6155844136833 6444707068245 6580385111787 6721898770105 8728435716405 9330396800295 9586970377035 9836658156795 10248140747865 10259740228055 10967308519645 12459766998607 14241131958345 15641899036215 18038767147237 19813072112539 20165696310315 30779220684165 32901925558935 37379300995821 38987012866609 41675772374651 54116301441711 59439216337617 62298834993035 63610389413941 90193835736185 99065360562695 116961038599827 125027317123953 186896504979105 190831168241823 194935064333045 208378861873255 270581507208555 297196081688085 318051947069705 584805192999135 625136585619765 954155841209115 1208597398864879 3625792196594637 6042986994324395 18128960982973185
• Sum of all divisors σ(n): 33980797889740800
• Sum of proper divisors (its aliquot sum) s(n): 15851836906767615
• 18128960982973185 is a deficient number, because the sum of its proper divisors (15851836906767615) is less than itself. Its deficiency is 2277124076205570

Bases of 18128960982973185

• Binary: 1000000011010000011000110100111100010010111101100000001₂
• Hexadecimal: 0x406831A7897B01
• Base-36: 4YI6HP9CZCX

Squares and roots of 18128960982973185

• 18128960982973185 squared (18128960982973185²) is 328659226322164070111482429044225
• 18128960982973185 cubed (18128960982973185³) is 5958250290688666018021712586892781605138354106625
• The square root of 18128960982973185 is 134643830.0961955887
• The cube root of 18128960982973185 is 262698.5272857233

Scales and comparisons

• 18,128,960,982,973,185 seconds is equal to 576,444,882 years, 36 weeks, 2 days, 22 hours, 19 minutes, 45 seconds.
• To count from 1 to 18,128,960,982,973,185 would take you about one billion, seven hundred twenty-nine million, three hundred thirty-four thousand, six hundred forty-eight 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 18128960982973185 cubic inches would be around 21891.5 feet tall.

Recreational maths with 18128960982973185

• 18128960982973185 backwards is 58137928906982181
• 18128960982973185 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18128960982973185's digits is 87
• More coming soon!