121621212544128

Names of 121621212544128

• Cardinal: 121621212544128 can be written as One hundred twenty-one trillion, six hundred twenty-one billion, two hundred twelve million, five hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21621212544128 × 10¹⁴

Factors of 121621212544128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 274

Divisors of 121621212544128

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 32 33 34 44 48 51 64 66 68 88 96 102 121 128 132 136 176 187 192 204 241 242 264 272 352 363 374 384 408 482 484 528 544 561 704 723 726 748 816 964 968 1056 1088 1122 1331 1408 1446 1452 1496 1632 1928 1936 2057 2112 2176 2244 2651 2662 2892 2904 2992 3264 3856 3872 3993 4097 4114 4224 4488 5302 5324 5784 5808 5984 6171 6528 7712 7744 7953 7986 8194 8228 8976 10604 10648 11568 11616 11968 12291 12342 15424 15488 15906 15972 16388 16456 17952 21208 21296 22627 23136 23232 23936 24582 24684 29161 30848 31812 31944 32776 32912 35904 42416 42592 45067 45254 46272 46464 49164 49368 58081 58322 63624 63888 65552 65824 67881 71808 84832 85184 87483 90134 90508 92544 98328 98736 116162 116644 127248 127776 131104 131648 135201 135762 169664 170368 174243 174966 180268 181016 196656 197472 232324 233288 254496 255552 262208 263296 270402 271524 320771 339328 348486 349932 360536 362032 393312 394944 464648 466576 495737 508992 511104 524416 540804 543048 638891 641542 696972 699864 721072 724064 786624 789888 929296 933152 962313 987377 991474 1017984 1081608 1086096 1277782 1283084 1393944 1399728 1442144 1448128 1487211 1573248 1858592 1866304 1916673 1924626 1974754 1982948 2163216 2172192 2555564 2566168 2787888 2799456 2884288 2896256 2962131 2974422 3717184 3732608 3833346 3849252 3949508 3965896 4326432 4344384 5111128 5132336 5453107 5575776 5598912 5768576 5924262 5948844 7027801 7434368 7666692 7698504 7899016 7931792 8652864 8688768 10222256 10264672 10861147 10906214 11151552 11197824 11848524 11897688 13997521 14055602 15333384 15397008 15798032 15863584 16359321 17305728 20444512 20529344 21083403 21722294 21812428 22303104 23697048 23795376 27995042 28111204 30666768 30794016 31596064 31727168 32583441 32718642 40889024 41058688 41992563 42166806 43444588 43624856 47394096 47590752 55990084 56222408 61333536 61588032 63192128 63454336 65166882 65437284 77305811 81778048 83985126 84333612 86889176 87249712 94788192 95181504 111980168 112444816 119472617 122667072 123176064 126384256 130333764 130874568 153972731 154611622 167970252 168667224 173778352 174499424 189576384 190363008 223960336 224889632 231917433 237957857 238945234 245334144 260667528 261749136 307945462 309223244 335940504 337334448 347556704 348998848 358417851 379152768 447920672 449779264 461918193 463834866 475915714 477890468 521335056 523498272 615890924 618446488 671881008 674668896 695113408 697997696 713873571 716835702 895841344 899558528 923836386 927669732 951831428 955780936 1042670112 1046996544 1231781848 1236892976 1314198787 1343762016 1349337792 1390226816 1427747142 1433671404 1693700041 1791682688 1847672772 1855339464 1903662856 1911561872 2085340224 2093993088 2463563696 2473785952 2617536427 2628397574 2687524032 2698675584 2855494284 2867342808 3387400082 3695345544 3710678928 3807325712 3823123744 3942596361 4170680448 4927127392 4947571904 5081100123 5235072854 5256795148 5375048064 5710988568 5734685616 6774800164 7390691088 7421357856 7614651424 7646247488 7852609281 7885192722 9854254784 9895143808 10162200246 10470145708 10513590296 11421977136 11469371232 13549600328 14781382176 14842715712 15229302848 15292494976 15705218562 15770385444 18630700451 19708509568 20324400492 20940291416 21027180592 22843954272 22938742464 27099200656 28792900697 29562764352 29685431424 30458605696 31410437124 31540770888 37261400902 40648800984 41880582832 42054361184 45687908544 45877484928 54198401312 55892101353 57585801394 59125528704 62820874248 63081541776 74522801804 81297601968 83761165664 84108722368 86378702091 91375817088 108396802624 111784202706 115171602788 125641748496 126163083552 149045603608 162595203936 167522331328 168217444736 172757404182 216793605248 223568405412 230343205576 251283496992 252326167104 298091207216 316721907667 325190407872 335044662656 345514808364 447136810824 460686411152 502566993984 504652334208 596182414432 633443815334 650380815744 691029616728 894273621648 921372822304 950165723001 1005133987968 1192364828864 1266887630668 1382059233456 1788547243296 1842745644608 1900331446002 2384729657728 2533775261336 2764118466912 3577094486592 3685491289216 3800662892004 5067550522672 5528236933824 7154188973184 7601325784008 10135101045344 11056473867648 15202651568016 20270202090688 30405303136032 40540404181376 60810606272064 121621212544128
• Sum of all divisors σ(n): 377807593109760
• Sum of proper divisors (its aliquot sum) s(n): 256186380565632
• 121621212544128 is an abundant number, because the sum of its proper divisors (256186380565632) is greater than itself. Its abundance is 134565168021504

Bases of 121621212544128

• Binary: 11011101001110100100101001010111011110010000000₂
• Hexadecimal: 0x6E9D252BBC80
• Base-36: 17400HS5MO

Squares and roots of 121621212544128

• 121621212544128 squared (121621212544128²) is 14791719340703957982347280384
• 121621212544128 cubed (121621212544128³) is 1798986841828844964428714094224566388785152
• The square root of 121621212544128 is 11028200.7845399697
• The cube root of 121621212544128 is 49545.3738354791

Scales and comparisons

• 121,621,212,544,128 seconds is equal to 3,867,178 years, 18 weeks, 4 days, 23 hours, 8 minutes, 48 seconds.
• To count from 1 to 121,621,212,544,128 would take you about nine million, six hundred sixty-seven thousand, nine hundred forty-five 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 121621212544128 cubic inches would be around 4128.8 feet tall.

Recreational maths with 121621212544128

• 121621212544128 backwards is 821445212126121
• The number of decimal digits it has is: 15
• The sum of 121621212544128's digits is 42
• More coming soon!