18668138926528

Names of 18668138926528

• Cardinal: 18668138926528 can be written as Eighteen trillion, six hundred sixty-eight billion, one hundred thirty-eight million, nine hundred twenty-six thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8668138926528 × 10¹³

Factors of 18668138926528

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 908

Divisors of 18668138926528

• Number of divisors d(n): 1008
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 31 32 38 49 52 56 62 64 76 79 91 98 104 112 124 133 152 158 169 182 196 208 217 224 247 248 266 304 316 338 364 392 403 416 434 448 494 496 532 553 589 608 632 637 676 728 757 784 806 832 868 931 988 992 1027 1064 1106 1178 1183 1216 1264 1274 1352 1456 1501 1514 1519 1568 1612 1729 1736 1862 1976 1984 2054 2128 2212 2356 2366 2449 2528 2548 2704 2821 2912 3002 3028 3038 3136 3211 3224 3458 3472 3724 3871 3952 4108 4123 4256 4424 4712 4732 4898 5056 5096 5239 5299 5408 5642 5824 6004 6056 6076 6422 6448 6916 6944 7189 7448 7657 7742 7904 8216 8246 8281 8512 8848 9424 9464 9796 9841 10192 10478 10507 10598 10816 11284 12008 12103 12112 12152 12844 12896 13351 13832 13888 14378 14383 14896 15314 15484 15808 16432 16492 16562 17143 17696 18848 18928 19513 19592 19682 19747 20384 20956 21014 21196 22477 22568 23467 24016 24206 24224 24304 25688 25792 26702 27664 28756 28766 28861 29792 30628 30968 31837 32864 32984 33124 34286 35392 36673 37093 37696 37856 39026 39184 39364 39494 40768 41912 42028 42392 44954 45136 46531 46934 48032 48412 48448 48608 50323 51376 53404 53599 55328 57512 57532 57722 59584 59803 61256 61936 63674 65728 65968 66248 68572 68887 73346 73549 74186 75712 78052 78368 78728 78988 83824 84056 84784 89908 90272 93062 93457 93868 96064 96824 97216 99541 100646 100681 102752 106808 107198 110656 115024 115064 115444 119606 120001 122512 123872 127348 127933 131936 132496 136591 137144 137774 146692 147098 148372 156104 156736 157339 157456 157976 164269 167648 168112 169568 179816 180544 186124 186914 186979 187736 193648 199082 201292 201362 205504 213616 214396 222859 230048 230128 230888 239212 240002 245024 247744 253669 254696 255866 256711 263872 264992 273182 274288 275548 293384 294196 296744 305071 312208 314678 314912 315952 325717 328538 335296 336224 339136 359632 372248 373828 373958 375193 375472 387296 398164 402584 402724 413881 418621 427232 428792 445718 445873 460096 460256 461776 478424 480004 482209 490048 507338 509392 511732 513422 529984 546364 548576 551096 586768 588392 593488 604903 610142 624416 629356 629824 631904 651434 654199 657076 672448 696787 704767 719264 744496 747656 747916 750386 750944 774592 777439 796328 805168 805448 827762 837242 854464 857584 891436 891746 895531 920512 923552 956137 956848 960008 964418 1014676 1018784 1023464 1026844 1092728 1097152 1102192 1136257 1149883 1173536 1176784 1186976 1209806 1220284 1248832 1258712 1263808 1302868 1308398 1308853 1314152 1393574 1409534 1438528 1488992 1495312 1495832 1500772 1501888 1554878 1560013 1592656 1610336 1610896 1655524 1674484 1715168 1775683 1782872 1783492 1791062 1847104 1853893 1912274 1913696 1920016 1928836 2029352 2037568 2046928 2053688 2135497 2185456 2204384 2272514 2280019 2299766 2347072 2353568 2373952 2419612 2430727 2440568 2517424 2605736 2616796 2617706 2628304 2787148 2819068 2897167 2930347 2977984 2990624 2991664 3001544 3109756 3120026 3121111 3185312 3220672 3221792 3311048 3348968 3430336 3551366 3565744 3566984 3582124 3707786 3824548 3827392 3840032 3857672 3965923 4058704 4093856 4107376 4234321 4270994 4370912 4408768 4545028 4560038 4599532 4707136 4839224 4861454 4877509 4881136 5034848 5211472 5233592 5235412 5256608 5442073 5574296 5638136 5794334 5796349 5860694 5981248 5983328 6003088 6219512 6240052 6242222 6268717 6370624 6443584 6622096 6697936 7102732 7131488 7133968 7164248 7415572 7649096 7680064 7715344 7863739 7931846 7953799 8117408 8187712 8214752 8468642 8541988 8741824 9090056 9120076 9161971 9199064 9678448 9722908 9755018 9762272 10069696 10106707 10422944 10467184 10470824 10513216 10884146 11148592 11276272 11588668 11592698 11721388 11966656 12006176 12429781 12439024 12480104 12484444 12537434 12977251 13244192 13395872 14205464 14262976 14267936 14328496 14771341 14831144 14948479 15298192 15430688 15727478 15863692 15907598 16234816 16429504 16937284 17015089 17083976 18180112 18240152 18323942 18398128 19356896 19445816 19510036 19524544 20213414 20280169 20845888 20934368 20941648 21768292 21847777 22297184 22552544 23177336 23185396 23442776 24012352 24100609 24859562 24878048 24960208 24968888 25074868 25954502 26488384 26791744 27761461 28410928 28535872 28656992 29542682 29640247 29662288 29896958 30596384 30861376 31454956 31727384 31815196 33874568 34030178 34167952 35223967 36360224 36480304 36647884 36796256 38094511 38713792 38891632 39020072 40426828 40560338 40574443 41868736 41883296 43536584 43695554 44594368 45105088 46354672 46370792 46885552 48201218 49719124 49756096 49920416 49937776 50149736 51909004 55046173 55522922 55676593 56821856 57313984 59085364 59280494 59324576 59793916 61192768 62909912 63454768 63630392 67749136 68060356 68335904 70447934 70746949 72720448 72960608 73295768 73592512 75352537 76189022 77783264 78040144 80853656 81120676 81148886 83766592 87073168 87391108 90840757 92709344 92741584 93771104 96402436 99438248 99840832 99875552 100299472 103399387 103818008 110092346 111045844 111353186 113643712 118170728 118560988 118649152 119105623 119587832 125819824 126909536 127260784 135498272 136120712 136671808 140895868 141493898 145921216 146591536 150705074 152378044 155566528 156080288 161707312 162241352 162297772 168704263 174146336 174782216 181681514 185418688 185483168 187542208 192027433 192804872 194330227 198876496 199751104 200598944 206798774 207636016 220184692 222091688 222706372 236341456 237121976 238211246 239175664 246567769 251639648 253819072 254521568 270996544 272241424 281791736 282987796 284021101 293183072 301410148 304756088 312160576 313307917 323414624 324482704 324595544 337408526 348292672 349564432 363363028 370966336 384054866 385323211 385609744 388660454 397752992 401197888 413597548 415272032 440369384 444183376 445412744 457911571 472682912 474243952 476422492 478351328 493135538 495228643 503279296 509043136 527467759 544482848 563583472 565975592 568042202 586366144 602820296 609512176 626615834 646829248 648965408 649191088 674817052 699128864 723795709 726726056 768109732 770646422 771219488 777320908 795505984 827195096 830544064 880738768 888366752 890825488 915823142 945365824 948487904 952844984 956702656 986271076 990457286 1054935518 1088965696 1127166944 1131951184 1136084404 1180929841 1205640592 1219024352 1253231668 1297930816 1298382176 1344192031 1349634104 1398257728 1447591418 1453452112 1536219464 1541292844 1542438976 1554641816 1654390192 1725974383 1761477536 1776733504 1781650976 1831646284 1896975808 1905689968 1972542152 1980914572 2109871036 2193155419 2254333888 2263902368 2272168808 2361859682 2411281184 2438048704 2506463336 2596764352 2688384062 2699268208 2895182836 2906904224 3072438928 3082585688 3109283632 3205380997 3308780384 3451948766 3522955072 3563301952 3663292568 3692274313 3811379936 3945084304 3961829144 4219742072 4386310838 4527804736 4544337616 4723719364 4822562368 5012926672 5376768124 5398536416 5790365672 5813808448 5952850423 6144877856 6165171376 6218567264 6410761994 6617560768 6903897532 7326585136 7384548626 7622759872 7890168608 7923658288 8439484144 8772621676 9088675232 9409344217 9447438728 10025853344 10753536248 10797072832 11580731344 11905700846 12289755712 12330342752 12437134528 12821523988 13807795064 14653170272 14769097252 15352087933 15780337216 15847316576 16878968288 17545243352 18177350464 18818688434 18894877456 20051706688 21507072496 22437666979 23161462688 23811401692 24660685504 25643047976 27615590128 29306340544 29538194504 30704175866 31694633152 33757936576 35090486704 37637376868 37789754912 41669952961 43014144992 44875333958 46322925376 47622803384 51286095952 55231180256 59076389008 61408351732 70180973408 75274753736 75579509824 83339905922 86028289984 89750667916 95245606768 102572191904 110462360512 118152778016 122816703464 140361946816 150549507472 166679811844 179501335832 190491213536 205144383808 236305556032 245633406928 291689670727 301099014944 333359623688 359002671664 380982427072 491266813856 583379341454 602198029888 666719247376 718005343328 982533627712 1166758682908 1333438494752 1436010686656 2333517365816 2666876989504 4667034731632 9334069463264 18668138926528
• Sum of all divisors σ(n): 51412513075200
• Sum of proper divisors (its aliquot sum) s(n): 32744374148672
• 18668138926528 is an abundant number, because the sum of its proper divisors (32744374148672) is greater than itself. Its abundance is 14076235222144

Bases of 18668138926528

• Binary: 100001111101010000011110010100001000111000000₂
• Hexadecimal: 0x10FA83CA11C0
• Base-36: 6M80VX41S

Squares and roots of 18668138926528

• 18668138926528 squared (18668138926528²) is 348499410980149988182134784
• 18668138926528 cubed (18668138926528³) is 6505835419990617496698869532729169149952
• The square root of 18668138926528 is 4320664.1765506377
• The cube root of 18668138926528 is 26527.7454398099

Scales and comparisons

• 18,668,138,926,528 seconds is equal to 593,589 years, 3 weeks, 5 days, 18 hours, 15 minutes, 28 seconds.
• To count from 1 to 18,668,138,926,528 would take you about one million, four hundred eighty-three thousand, nine hundred seventy-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 18668138926528 cubic inches would be around 2210.6 feet tall.

Recreational maths with 18668138926528

• 18668138926528 backwards is 82562983186681
• The number of decimal digits it has is: 14
• The sum of 18668138926528's digits is 73
• More coming soon!