121408403156756820

Names of 121408403156756820

• Cardinal: 121408403156756820 can be written as One hundred twenty-one quadrillion, four hundred eight trillion, four hundred three billion, one hundred fifty-six million, seven hundred fifty-six thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.2140840315675682 × 10¹⁷

Factors of 121408403156756820

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 365692

Divisors of 121408403156756820

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 19 20 26 30 36 37 38 39 45 52 57 60 65 74 76 78 90 95 111 114 117 127 130 148 156 171 180 185 190 195 222 228 234 247 254 260 285 333 342 370 380 381 390 444 468 481 494 508 555 570 585 635 666 684 703 740 741 762 780 855 962 988 1110 1140 1143 1170 1235 1270 1332 1406 1443 1482 1524 1597 1651 1665 1710 1905 1924 2109 2220 2223 2286 2340 2405 2413 2470 2540 2812 2886 2964 3194 3302 3330 3420 3515 3705 3810 4218 4329 4446 4572 4699 4791 4810 4826 4940 4953 5715 5772 6327 6388 6604 6660 7030 7215 7239 7410 7620 7985 8255 8436 8658 8892 9139 9398 9582 9620 9652 9906 10545 11115 11430 12065 12654 14060 14097 14373 14430 14478 14820 14859 15970 16510 17316 18278 18796 19164 19812 20761 21090 21645 21717 22230 22860 23495 23955 24130 24765 25308 27417 28194 28746 28860 28956 29718 30343 31369 31635 31940 33020 36195 36556 41522 42180 42291 43290 43434 44460 45695 46990 47910 48260 49530 54834 56388 57492 59089 59436 60686 61087 62283 62738 63270 70485 71865 72390 74295 82251 83044 84582 86580 86868 89281 91029 91390 93980 94107 95820 99060 103805 108585 109668 118178 121372 122174 124566 125476 126540 137085 140970 143730 144780 148590 151715 156845 164502 169164 177267 178562 182058 182780 183261 186849 188214 202819 207610 211455 217170 236356 244348 249132 267843 273087 274170 281940 282321 287460 295445 297180 303430 305435 311415 313690 329004 354534 357124 363889 364116 366522 373698 376428 394459 405638 411255 415220 422910 434340 446405 455145 470535 531801 535686 546174 548340 549783 564642 590890 606860 608457 610870 622830 627380 709068 727778 733044 747396 768157 788918 803529 811276 822510 845820 886335 892810 910290 916305 934245 941070 1014095 1063602 1071372 1091667 1092348 1099566 1122691 1129284 1160653 1181780 1183377 1216914 1221740 1245660 1339215 1365435 1411605 1455556 1536314 1577836 1607058 1645020 1772670 1785620 1819445 1820580 1825371 1832610 1868490 1882140 1972295 2028190 2127204 2183334 2199132 2245382 2304471 2321306 2366754 2433828 2636647 2659005 2678430 2730870 2748915 2823210 3042285 3072628 3214116 3275001 3368073 3481959 3545340 3550131 3638890 3650742 3665220 3736980 3840785 3853561 3944590 4017645 4056380 4366668 4490764 4608942 4642612 4730557 4733508 5273294 5318010 5356860 5458335 5461740 5497830 5613455 5646420 5803265 5916885 6084570 6550002 6736146 6913413 6913891 6963918 7100262 7277780 7301484 7504303 7681570 7707122 7889180 7909941 8035290 9126855 9217884 9461114 10104219 10445877 10546588 10636020 10916670 10995660 11226910 11522355 11560683 11606530 11833770 12169140 13100004 13183235 13463893 13472292 13826826 13827782 13927836 14191671 14200524 14594983 15008606 15363140 15414244 15819882 16070580 16375005 16840365 17409795 17750655 18253710 18922228 19267805 20208438 20741673 20891754 21833340 22453820 22512909 23044710 23121366 23213060 23652785 23667540 23729823 26366470 26927786 27653652 27655564 28383342 29189966 30017212 31639764 32750010 33680730 34567065 34569455 34682049 34819590 35501310 36507420 37521515 38535610 39549705 40391679 40416876 41483346 41783508 42575013 43784949 45025818 46089420 46213903 46242732 47305570 47459646 50096293 50521095 52229385 52732940 53855572 56766684 57803415 58379932 62225019 65500020 67319465 67361460 67538727 69134130 69138910 69364098 69639180 70958355 71002620 72974915 75043030 77071220 79099410 80783358 82966692 85150026 87569898 89880583 90051636 92427806 94611140 94919292 97555939 100192586 101042190 103708365 104458770 112564545 115606830 118649115 121175037 124450038 131354847 134638930 135077454 138268260 138277820 138641709 138728196 141916710 142581757 145949830 150086060 150288879 158198820 161566716 170300052 173410245 175030609 175139796 179761166 184855612 195111878 200385172 201958395 202084380 207416730 208917540 212875065 218924745 225129090 231069515 231213660 237298230 242350074 248900076 250481465 255813967 262709694 269277860 269641749 270154908 277283418 283833420 285163514 291899660 292667817 300577758 311125095 337693635 346820490 350061218 359522332 390223756 403916790 414833460 415925127 425750130 427745271 437849490 449402915 450258180 450866637 462139030 474596460 484700148 487779695 500962930 511627934 525091827 525419388 539283498 554566836 570327028 581130733 585335634 600780739 601155516 605875185 622250190 656774235 675387270 693208545 693640980 700122436 712908785 751444395 767441901 807833580 808925247 831850254 851500260 855490542 875153045 875698980 878003451 878064157 898805830 901733274 924278060 975559390 1001925860 1023255868 1050183654 1078566996 1162261466 1170671268 1201561478 1211750370 1244500380 1279069835 1283235813 1313548470 1348208745 1350774540 1386417090 1425817570 1463339085 1502888790 1534883802 1575275481 1617850494 1663700508 1709914411 1710981084 1743392199 1750306090 1756006902 1756128314 1797611660 1802342217 1803466548 1853562841 1951118780 2079625635 2100367308 2138726355 2254333185 2302325703 2324522932 2403122956 2423500740 2558139670 2566471626 2625459135 2627096940 2634192471 2696417490 2772834180 2851635140 2905653665 2926678170 3003903695 3005777580 3069767604 3150550962 3235700988 3325581571 3419828822 3486784398 3500612180 3512013804 3512256628 3604684434 3707125682 3837209505 4044626235 4159251270 4277452710 4390017255 4390320785 4508666370 4604651406 5116279340 5129743233 5132943252 5230176597 5250918270 5268384942 5392834980 5407026651 5560688523 5811307330 5853356340 6007807390 6301101924 6416179065 6651163142 6839657644 6973568796 7209368868 7414251364 7554699529 7674419010 7876377405 7902577413 8089252470 8318502540 8549572055 8554905420 8716960995 8780034510 8780641570 9011711085 9017332740 9209302812 9267814205 9976744713 10259486466 10460353194 10501836540 10536769884 10814053302 11041483927 11121377046 11414834041 11511628515 11622614660 12015614780 12832358130 13170962355 13302326284 15109399058 15348838020 15389229699 15752754810 15805154826 16178504940 16627907855 16682065569 17099144110 17433921990 17560069020 17561283140 18023422170 18535628410 19953489426 20518972932 20920706388 21501837121 21628106604 22082967854 22228887343 22242754092 22664098587 22829668082 23023257030 25648716165 25664716260 26150882985 26341924710 27035133255 27803442615 29930234139 30218798116 30778459398 31505509620 31610309652 32488373809 33124451781 33255815710 33364131138 34198288220 34244502123 34867843980 36046844340 37071256820 37773497645 39512887065 39906978852 43003674242 44165935708 44457774686 45328197174 45659336164 46046514060 49883723565 51297432330 52301765970 52683849420 54070266510 55207419635 55606885230 57074170205 59860468278 61556918796 64505511363 64976747618 66248903562 66511631420 66686662029 66728262276 67992295761 68489004246 73803603091 75546995290 76946148495 79025774130 83410327845 86007348484 88915549372 90656394348 97465121427 99373355343 99767447130 102594864660 102733506369 104603531940 107509185605 108140533020 110414839270 111144436715 111213770460 113320492935 114148340410 119720936556 129011022726 129953495236 132497807124 133373324058 135984591522 136978008492 143539291051 147607206182 149651170695 151093990580 153892296990 158051548260 162441869045 165622258905 166820655690 171222510615 193516534089 194930242854 198746710686 199534894260 200059986087 205467012738 215018371210 220829678540 221410809273 222288873430 226640985870 228296680820 258022045452 266746648116 271969183044 279523882573 287078582102 292395364281 295214412364 299302341390 307784593980 322527556815 324883738090 331244517810 333433310145 333641311380 339961478805 342445021230 369018015455 387033068178 389860485708 397493421372 400119972174 408534905299 410934025476 422348859517 430036742420 430617873153 442821618546 444577746860 453281971740 487325607135 496866776715 513667531845 559047765146 574157164204 584790728562 598604682780 645055113630 649767476180 662489035620 664232427819 666866620290 679922957610 684890042460 717696455255 738036030910 774066136356 800239944348 817069810598 838571647719 844697719034 861235746306 885643237092 959446840183 967582670445 974651214270 993733553430 1000299930435 1027335063690 1107054046365 1118095530292 1169581457124 1225604715897 1267046578551 1290110227260 1291853619459 1328464855638 1333733240580 1359845915220 1397619412865 1402268458729 1435392910510 1461976821405 1476072061820 1634139621196 1677143295438 1689395438068 1722471492612 1918893680366 1935165340890 1949302428540 1987467106860 2000599860870 2042674526495 2054670127380 2111744297585 2153089365765 2214108092730 2451209431794 2515714943157 2534093157102 2583707238918 2656929711276 2730733314367 2795238825730 2804536917458 2870785821020 2878340520549 2923953642810 3321162139095 3354286590876 3676814147691 3801139735653 3837787360732 3870330681780 4001199721740 4085349052990 4192858238595 4206805376187 4223488595170 4306178731530 4428216185460 4797234200915 4902418863588 5031429886314 5068186314204 5167414477836 5310953768887 5461466628734 5590477651460 5609073834916 5756681041098 5847907285620 6128023579485 6335232892755 6459268097295 6642324278190 7011342293645 7353628295382 7602279471306 8170698105980 8192199943101 8385716477190 8413610752374 8446977190340 8612357463060 8635021561647 9594468401830 10062859772628 10621907537774 10922933257468 11513362082196 12256047158970 12578574715785 12620416128561 12670465785510 12918536194590 13284648556380 13653666571835 14022684587290 14391702602745 14707256590764 15204558942612 15932861306661 16384399886202 16771432954380 16827221504748 17270043123294 18229489963477 18384070738455 19005698678265 19188936803660 21034026880935 21243815075548 24512094317940 24576599829303 25157149431570 25240832257122 25340931571020 25837072389180 26554768844435 27307333143670 28045369174580 28783405205490 31865722613322 32768799772404 34540086246588 35499533086771 36458979926954 36768141476910 38011397356530 40960999715505 42068053761870 43175107808235 47798583919983 49153199658606 50314298863140 50481664514244 51883932972973 53109537688870 54614666287340 54688469890431 57566810410980 63102080642805 63731445226644 70999066173542 72917959853908 73536282953820 76022794713060 79664306533305 81921999431010 84136107523740 86350215616470 91147449817385 95597167839966 98306399317212 103767865945946 106219075377740 106498599260313 109376939780862 122882999146515 126204161285610 141998132347084 155651798918919 159328613066610 163843998862020 164065409671293 172700431232940 177497665433855 182294899634770 191194335679932 207535731891892 212997198520626 218753879561724 238992919599915 245765998293030 252408322571220 259419664864865 273442349452155 311303597837838 318657226133220 319495797780939 328130819342586 354995330867710 364589799269540 425994397041252 466955396756757 477985839199830 491531996586060 518839329729730 532492996301565 546884698904310 622607195675676 638991595561878 656261638685172 674491128648649 709990661735420 778258994594595 820327048356465 933910793513514 955971678399660 1037678659459460 1064985992603130 1093769397808620 1277983191123756 1348982257297298 1556517989189190 1597478988904695 1640654096712930 1867821587027028 2023473385945947 2129971985206260 2334776983783785 2697964514594596 3113035978378380 3194957977809390 3281308193425860 3372455643243245 4046946771891894 4669553967567570 6070420157837841 6389915955618780 6744911286486490 8093893543783788 9339107935135140 10117366929729735 12140840315675682 13489822572972980 20234733859459470 24281680631351364 30352100789189205 40469467718918940 60704201578378410 121408403156756820
• Sum of all divisors σ(n): 432405427240550400
• Sum of proper divisors (its aliquot sum) s(n): 310997024083793580
• 121408403156756820 is an abundant number, because the sum of its proper divisors (310997024083793580) is greater than itself. Its abundance is 189588620927036760

Bases of 121408403156756820

• Binary: 110101111010101000100110010100110111001111110100101010100₂
• Hexadecimal: 0x1AF544CA6E7E954
• Base-36: X7FOQFRGFH0

Squares and roots of 121408403156756820

• 121408403156756820 squared (121408403156756820²) is 14740000357073599375689620616512400
• 121408403156756820 cubed (121408403156756820³) is 1789559905882331036437995806813736148548123314568000
• The square root of 121408403156756820 is 348437086.3681947677
• The cube root of 121408403156756820 is 495164.5926232853

Scales and comparisons

• 121,408,403,156,756,820 seconds is equal to 3,860,411,679 years, 27 weeks, 6 days, 8 hours, 27 minutes.
• To count from 1 to 121,408,403,156,756,820 would take you about eleven billion, five hundred eighty-one million, two hundred thirty-five thousand and thirty-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 121408403156756820 cubic inches would be around 41263.7 feet tall.

Recreational maths with 121408403156756820

• 121408403156756820 backwards is 028657651304804121
• The number of decimal digits it has is: 18
• The sum of 121408403156756820's digits is 63
• More coming soon!