128421812625056496

Names of 128421812625056496

• Cardinal: 128421812625056496 can be written as One hundred twenty-eight quadrillion, four hundred twenty-one trillion, eight hundred twelve billion, six hundred twenty-five million, fifty-six thousand, four hundred ninety-six.

Scientific notation

• Scientific notation: 1.28421812625056496 × 10¹⁷

Factors of 128421812625056496

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 7532

Divisors of 128421812625056496

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 36 39 42 48 49 52 54 56 63 72 78 84 91 98 104 108 112 117 126 144 147 156 168 169 182 189 196 208 216 234 252 273 294 312 336 338 343 351 364 378 392 432 441 468 504 507 546 588 624 637 676 686 702 728 756 784 819 882 936 1008 1014 1029 1092 1176 1183 1274 1323 1352 1372 1404 1456 1512 1521 1638 1764 1872 1911 2028 2058 2184 2197 2352 2366 2401 2457 2548 2646 2704 2744 2808 3024 3042 3087 3276 3528 3549 3822 4056 4116 4368 4394 4459 4563 4732 4802 4914 5096 5292 5488 5616 5733 6084 6174 6552 6591 7056 7098 7203 7507 7644 8112 8232 8281 8788 8918 9126 9261 9464 9604 9828 10192 10584 10647 11466 12168 12348 13104 13182 13377 14196 14406 15014 15288 15379 16464 16562 17199 17576 17836 18252 18522 18928 19208 19656 19773 21168 21294 21609 22521 22932 24336 24696 24843 26364 26754 28392 28812 30028 30576 30758 31213 31941 33124 34398 35152 35672 36504 37044 38416 39312 39546 40131 42588 43218 45042 45864 46137 49392 49686 52549 52728 53508 56784 57624 57967 59319 60056 61516 62426 63882 64827 66248 67563 68796 71344 73008 74088 74529 79092 80262 85176 86436 90084 91728 92274 93639 97591 99372 105098 105456 107016 107653 115248 115934 118638 120112 120393 123032 124852 127764 129654 132496 135126 137592 138411 148176 149058 157647 158184 160524 170352 172872 173901 180168 184548 187278 195182 198744 202689 210196 214032 215306 223587 231868 237276 240786 246064 249704 255528 259308 270252 275184 276822 280917 292773 298116 315294 316368 321048 322959 345744 347802 360336 367843 369096 374556 390364 397488 405378 405769 415233 420392 430612 447174 463736 472941 474552 481572 499408 511056 518616 521703 540504 553644 561834 585546 596232 630588 642096 645918 683137 695604 735686 738192 749112 753571 780728 810756 811538 830466 840784 842751 861224 878319 894348 927472 945882 949104 963144 968877 1037232 1043406 1081008 1103529 1107288 1123668 1171092 1192464 1217307 1261176 1268683 1291836 1366274 1391208 1418823 1471372 1498224 1507142 1561456 1565109 1621512 1623076 1660932 1685502 1722448 1756638 1788696 1891764 1926288 1937754 2049411 2086812 2207058 2214576 2247336 2260713 2342184 2434614 2522352 2537366 2574901 2583672 2634957 2732548 2782416 2837646 2906631 2942744 3014284 3130218 3243024 3246152 3310587 3321864 3371004 3513276 3577392 3651921 3783528 3806049 3875508 4098822 4173624 4414116 4494672 4521426 4684368 4781959 4869228 5074732 5149802 5167344 5269914 5274997 5465096 5675292 5813262 5885488 6028568 6148233 6260436 6492304 6621174 6643728 6742008 6782139 7026552 7303842 7567056 7612098 7724703 7751016 8197644 8347248 8828232 8880781 9042852 9563918 9738456 9931761 10149464 10299604 10539828 10549994 10930192 10955763 11350584 11418147 11626524 12057136 12296466 12520872 13242348 13484016 13564278 14053104 14345877 14607684 15224196 15449406 15502032 15824991 16395288 16492879 17656464 17761562 18024307 18085704 18444699 19127836 19476912 19863522 20298928 20346417 20599208 21079656 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14460644016 14546719278 15384928377 15665697684 16568384406 16624822032 16870751352 16971172491 17582775288 18276647298 18935296464 19048006562 19329781807 19395625704 19780622199 20513237836 20887596912 21302208522 21820078917 22091179208 22628229988 23498546526 24345381168 24368863064 24852576609 24937233048 25306127028 26374162932 26855481744 27414970947 28402944696 28572009843 29093438556 30769856754 31331395368 33136768812 33741502704 33942344982 35165550576 35898166213 36553294596 38096013124 38659563614 38791251408 39561244398 39599402479 41026475672 42604417044 43640157834 44182358416 45256459976 46154785131 46997093052 48737726128 49705153218 49874466096 50612254056 50913517473 52748325864 54829941894 56805889392 57144019686 57989345421 58186877112 61539713508 62662790736 66273537624 66668022967 67884689964 71796332426 73106589192 74557729827 76192026248 77319127228 79122488796 79198804958 82052951344 82244912841 85208834088 85716029529 87280315668 90512919952 92309570262 93994186104 99410306436 101224508112 101827034946 105496651728 107694498639 109659883788 114288039372 115978690842 116373754224 118798207437 123079427016 123812042653 132547075248 133336045934 135308472649 135769379928 138464355393 143592664852 146213178384 149115459654 152384052496 152740552419 154638254456 158244977592 158397609916 164489825682 170417668176 171432059058 173968036263 174560631336 184619140524 187988372208 198820612872 200004068901 203654069892 215388997278 219319767576 228576078744 231957381684 237596414874 246158854032 247624085306 251287163491 257148088587 266672091868 270616945298 271538759856 276928710786 287185329704 298230919308 305481104838 309276508912 316489955184 316795219832 323083495917 328979651364 342864118116 347936072526 349121262672 356394622311 369238281048 371436127959 397641225744 400008137802 405925417947 407308139784 430777994556 438639535152 457152157488 463914763368 466676160769 475192829748 495248170612 502574326982 514296177174 521904108789 533344183736 541233890596 553857421572 574370659408 596461838616 600012206703 610962209676 633590439664 646166991834 657959302728 685728236232 695872145052 712789244622 738476562096 742872255918 753861490473 800016275604 811850835894 814616279568 861555989112 866684298571 927829526736 933352321538 950385659496 969250487751 990496341224 1005148653964 1028592354348 1043808217578 1066688367472 1069183866933 1082467781192 1107714843144 1114308383877 1192923677232 1200024413406 1217776253841 1221924419352 1292333983668 1315918605456 1371456472464 1391744290104 1400028482307 1425578489244 1485744511836 1507722980946 1600032551208 1623701671788 1723111978224 1733368597142 1759010144437 1800036620109 1866704643076 1900771318992 1938500975502 1980992682448 2010297307928 2057184708696 2087616435156 2138367733866 2164935562384 2215429686288 2228616767754 2261584471419 2400048826812 2435552507682 2443848838704 2584667967336 2600052895713 2783488580208 2800056964614 2851156978488 2971489023672 3015445961892 3200065102416 3247403343576 3266733125383 3342925151631 3466737194284 3518020288874 3600073240218 3653328761523 3733409286152 3877001951004 4020594615856 4114369417392 4175232870312 4200085446921 4276735467732 4457233535508 4523168942838 4800097653624 4871105015364 5169335934672 5200105791426 5277030433311 5600113929228 5702313956976 5942978047344 6030891923784 6066790089997 6494806687152 6533466250766 6685850303262 6784753414257 6933474388568 7036040577748 7200146480436 7306657523046 7466818572304 7754003902008 7800158687139 8350465740624 8400170893842 8553470935464 8914467071016 9046337885676 9600195307248 9742210030728 9800199376149 10400211582852 10554060866622 11200227858456 12061783847568 12133580179994 12600256340763 13066932501532 13371700606524 13569506828514 13866948777136 14072081155496 14400292960872 14613315046092 15508007804016 15600317374278 15831091299933 16800341787684 17106941870928 17828934142032 18092675771352 18200370269991 19484420061456 19600398752298 20800423165704 21108121733244 22400455716912 22867131877681 23400476061417 24267160359988 25200512681526 26133865003064 26743401213048 27139013657028 28144162310992 28800585921744 29226630092184 29400598128447 31200634748556 31662182599866 33600683575368 36185351542704 36400740539982 39200797504596 41600846331408 42216243466488 42467530629979 45734263755362 46800952122834 47493273899799 48534320719976 50401025363052 52267730006128 53486802426096 54278027314056 54601110809973 58453260184368 58801196256894 62401269497112 63324365199732 67201367150736 68601395633043 72801481079964 78401595009192 84432486932976 84935061259958 88201794385341 91468527510724 93601904245668 94986547799598 97068641439952 100802050726104 108556054628112 109202221619946 117602392513788 124802538994224 126648730399464 127402591889937 137202791266086 145602962159928 156803190018384 163803332429919 169870122519916 176403588770682 182937055021448 187203808491336 189973095599196 201604101452208 205804186899129 218404443239892 235204785027576 253297460798928 254805183779874 274405582532172 291205924319856 297272714409853 327606664859838 339740245039832 352807177541364 365874110042896 374407616982672 379946191198392 382207775669811 411608373798258 436808886479784 470409570055152 509610367559748 548811165064344 594545428819706 617412560697387 655213329719676 679480490079664 705614355082728 759892382396784 764415551339622 823216747596516 873617772959568 891818143229559 1019220735119496 1097622330128688 1146623327009433 1189090857639412 1234825121394774 1310426659439352 1411228710165456 1528831102679244 1646433495193032 1783636286459118 2038441470238992 2293246654018866 2378181715278824 2469650242789548 2620853318878704 2675454429688677 3057662205358488 3292866990386064 3567272572918236 4586493308037732 4756363430557648 4939300485579096 5350908859377354 6115324410716976 7134545145836472 8026363289066031 9172986616075464 9878600971158192 10701817718754708 14269090291672944 16052726578132062 18345973232150928 21403635437509416 32105453156264124 42807270875018832 64210906312528248 128421812625056496
• Sum of all divisors σ(n): 465910436189738400
• Sum of proper divisors (its aliquot sum) s(n): 337488623564681904
• 128421812625056496 is an abundant number, because the sum of its proper divisors (337488623564681904) is greater than itself. Its abundance is 209066810939625408

Bases of 128421812625056496

• Binary: 111001000001111101111010101001010111011011010001011110000₂
• Hexadecimal: 0x1C83EF54AEDA2F0
• Base-36: Z4HQE9O0KC0

Squares and roots of 128421812625056496

• 128421812625056496 squared (128421812625056496²) is 16492161957905120028077127191798016
• 128421812625056496 cubed (128421812625056496³) is 2117953332740176202955829374934483492976579820711936
• The square root of 128421812625056496 is 358359892.6010784707
• The cube root of 128421812625056496 is 504521.4073424395

Scales and comparisons

• 128,421,812,625,056,496 seconds is equal to 4,083,416,406 years, 37 weeks, 6 days, 6 hours, 21 minutes, 36 seconds.
• To count from 1 to 128,421,812,625,056,496 would take you about twelve billion, two hundred fifty million, two hundred forty-nine thousand, two hundred twenty 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 128421812625056496 cubic inches would be around 42043.5 feet tall.

Recreational maths with 128421812625056496

• 128421812625056496 backwards is 694650526218124821
• 128421812625056496 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 128421812625056496's digits is 72
• More coming soon!