1221091442688

Names of 1221091442688

• Cardinal: 1221091442688 can be written as One trillion, two hundred twenty-one billion, ninety-one million, four hundred forty-two thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.221091442688 × 10¹²

Factors of 1221091442688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 221

Divisors of 1221091442688

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 29 32 37 39 48 52 58 64 74 78 87 96 104 111 116 128 137 148 156 169 174 192 208 222 232 256 274 296 312 338 348 377 384 411 416 444 464 481 507 512 548 592 624 676 696 754 768 822 832 888 928 962 1014 1024 1073 1096 1131 1184 1248 1352 1392 1443 1508 1536 1644 1664 1776 1781 1856 1924 2028 2048 2146 2192 2262 2368 2496 2704 2784 2886 3016 3072 3219 3288 3328 3552 3562 3712 3848 3973 4056 4096 4292 4384 4524 4736 4901 4992 5069 5343 5408 5568 5772 6032 6144 6253 6438 6576 6656 7104 7124 7424 7696 7946 8112 8192 8584 8768 9048 9472 9802 9984 10138 10686 10816 11136 11544 11919 12064 12288 12506 12876 13152 13312 13949 14208 14248 14703 14848 15207 15392 15892 16224 16384 17168 17536 18096 18759 18944 19604 19968 20276 21372 21632 22272 23088 23153 23838 24128 24576 25012 25752 26304 26624 27898 28416 28496 29406 29696 30414 30784 31784 32448 34336 35072 36192 37518 37888 39208 39936 40552 41847 42744 43264 44544 46176 46306 47676 48256 49152 50024 51504 51649 52608 53248 55796 56832 56992 58812 59392 60828 61568 63568 64896 65897 68672 69459 70144 72384 75036 75776 78416 79872 81104 83694 85488 86528 89088 92352 92612 95352 96512 100048 103008 103298 105216 106496 111592 113664 113984 117624 118784 121656 123136 127136 129792 131794 137344 138918 140288 144768 147001 150072 151552 154947 156832 159744 162208 167388 170976 173056 178176 181337 184704 185224 190704 193024 197691 200096 206016 206596 210432 212992 223184 227328 227968 235248 237568 243312 246272 254272 259584 263588 274688 277836 280576 289536 294002 300144 303104 309894 313664 319488 324416 334776 341952 346112 356352 362674 369408 370448 381408 386048 395382 400192 412032 413192 420864 441003 446368 454656 455936 470496 475136 486624 492544 508544 519168 527176 544011 549376 555672 561152 579072 588004 600288 606208 619788 627328 638976 648832 669552 671437 683904 692224 712704 725348 738816 740896 762816 772096 790764 800384 824064 826384 841728 856661 882006 892736 909312 911872 940992 973248 985088 1017088 1038336 1054352 1088022 1098752 1111344 1122304 1158144 1176008 1200576 1239576 1254656 1297664 1339104 1342874 1367808 1384448 1425408 1450696 1477632 1481792 1525632 1544192 1581528 1600768 1648128 1652768 1683456 1713322 1764012 1785472 1818624 1823744 1881984 1911013 1946496 1970176 2014311 2034176 2076672 2108704 2176044 2197504 2222688 2244608 2316288 2352016 2401152 2479152 2509312 2569983 2595328 2678208 2685748 2735616 2768896 2901392 2955264 2963584 3051264 3088384 3163056 3201536 3296256 3305536 3366912 3426644 3528024 3570944 3647488 3763968 3822026 3892992 3940352 4028622 4068352 4153344 4217408 4352088 4395008 4445376 4632576 4704032 4802304 4958304 5018624 5139966 5190656 5356416 5371496 5471232 5733039 5802784 5910528 5927168 6102528 6176768 6326112 6403072 6592512 6611072 6733824 6853288 7056048 7141888 7294976 7527936 7644052 7785984 7880704 8057244 8136704 8306688 8434816 8704176 8790016 8890752 9265152 9408064 9604608 9916608 10037248 10279932 10381312 10712832 10742992 10942464 11466078 11605568 11821056 11854336 12205056 12652224 12806144 13185024 13222144 13706576 14112096 14283776 14589952 15055872 15288104 15571968 16114488 16273408 16869632 17408352 17580032 17781504 18530304 18816128 19209216 19833216 20074496 20559864 20762624 21425664 21485984 21884928 22932156 23211136 23642112 23708672 24410112 24843169 25304448 25612288 26370048 26444288 27413152 28224192 28567552 29179904 30111744 30576208 31143936 32228976 32546816 33739264 34816704 35563008 37632256 38418432 39666432 40148992 41119728 41525248 42851328 42971968 43769856 45864312 46422272 47417344 48820224 49686338 50608896 51224576 52740096 52888576 54826304 56448384 57135104 60223488 61152416 62287872 64457952 65093632 67478528 69633408 71126016 74529507 75264512 76836864 79332864 80297984 82239456 83050496 85702656 85943936 87539712 91728624 92844544 94834688 97640448 99372676 101217792 102449152 105777152 109652608 112896768 114270208 120446976 122304832 124575744 128915904 134957056 139266816 142252032 149059014 150529024 153673728 158665728 164478912 171405312 171887872 183457248 185689088 189669376 195280896 198745352 202435584 211554304 219305216 225793536 228540416 240893952 244609664 249151488 257831808 269914112 278533632 284504064 298118028 301058048 307347456 317331456 328957824 342810624 343775744 366914496 371378176 379338752 397490704 404871168 423108608 438610432 451587072 489219328 515663616 539828224 557067264 569008128 596236056 602116096 634662912 657915648 685621248 687551488 733828992 742756352 794981408 809742336 846217216 877220864 903174144 978438656 1031327232 1079656448 1114134528 1138016256 1192472112 1204232192 1269325824 1315831296 1375102976 1467657984 1485512704 1589962816 1619484672 1754441728 1806348288 1956877312 2062654464 2228269056 2384944224 2408464384 2538651648 2631662592 2750205952 2935315968 2971025408 3179925632 3238969344 3508883456 3612696576 3913754624 4125308928 4456538112 4769888448 5263325184 5500411904 5870631936 6359851264 7017766912 7225393152 7827509248 8250617856 8913076224 9539776896 10526650368 11000823808 11741263872 12719702528 14035533824 15655018496 16501235712 19079553792 21053300736 23482527744 25439405056 31310036992 33002471424 38159107584 42106601472 46965055488 50878810112 76318215168 93930110976 101757620224 152636430336 203515240448 305272860672 407030480896 610545721344 1221091442688
• Sum of all divisors σ(n): 3773390050080
• Sum of proper divisors (its aliquot sum) s(n): 2552298607392
• 1221091442688 is an abundant number, because the sum of its proper divisors (2552298607392) is greater than itself. Its abundance is 1331207164704

Bases of 1221091442688

• Binary: 10001110001001110101110001100000000000000₂
• Hexadecimal: 0x11C4EB8C000
• Base-36: FKYMBF9C

Squares and roots of 1221091442688

• 1221091442688 squared (1221091442688²) is 1491064311405861188665344
• 1221091442688 cubed (1221091442688³) is 1820725871155172332366431458187804672
• The square root of 1221091442688 is 1105030.0641557225
• The cube root of 1221091442688 is 10688.4827969843

Scales and comparisons

• 1,221,091,442,688 seconds is equal to 38,826 years, 48 weeks, 2 days, 19 hours, 24 minutes, 48 seconds.
• To count from 1 to 1,221,091,442,688 would take you about ninety-seven thousand and sixty-seven 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 1221091442688 cubic inches would be around 890.7 feet tall.

Recreational maths with 1221091442688

• 1221091442688 backwards is 8862441901221
• 1221091442688 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221091442688's digits is 48
• More coming soon!