1221665941980

Names of 1221665941980

• Cardinal: 1221665941980 can be written as One trillion, two hundred twenty-one billion, six hundred sixty-five million, nine hundred forty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.22166594198 × 10¹²

Factors of 1221665941980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 64

Divisors of 1221665941980

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 43 44 45 54 55 60 66 81 86 90 99 108 110 129 132 135 162 165 172 180 198 215 220 243 258 270 297 324 330 387 396 405 430 473 486 495 516 540 594 645 660 729 774 810 860 891 946 972 990 1161 1188 1215 1290 1419 1458 1485 1548 1620 1782 1892 1935 1980 2187 2322 2365 2430 2580 2673 2838 2916 2970 3483 3564 3645 3870 4257 4374 4455 4644 4730 4860 5346 5676 5805 5940 6561 6966 7095 7290 7740 8019 8514 8748 8910 9460 10449 10692 10935 11610 12771 13122 13365 13932 14190 14580 16038 17028 17415 17820 19683 20898 21285 21870 23220 24057 25542 26244 26730 28380 31347 32076 32805 34830 38313 39366 40095 41796 42570 43740 48114 51084 52245 53460 59049 62694 63855 65610 69660 72171 76626 78732 80190 85140 94041 96228 98415 104490 114939 118098 120285 125388 127710 131220 144342 153252 156735 160380 177147 188082 191565 196830 208980 216513 229878 236196 240570 255420 282123 288684 295245 313470 344817 354294 360855 376164 383130 393660 433026 459756 470205 481140 531441 564246 574695 590490 626940 649539 689634 708588 721710 766260 846369 866052 885735 940410 1034451 1062882 1082565 1128492 1149390 1180980 1299078 1379268 1410615 1443420 1594323 1692738 1724085 1771470 1880820 1948617 2068902 2125764 2165130 2298780 2539107 2598156 2657205 2821230 3103353 3188646 3247695 3385476 3448170 3542940 3897234 4137804 4231845 4330260 4782969 5078214 5172255 5314410 5642460 5845851 6206706 6377292 6495390 6896340 7617321 7794468 7971615 8463690 9310059 9565938 9743085 10156428 10344510 10628820 11691702 12413412 12695535 12990780 14348907 15234642 15516765 15943230 16927380 17537553 18620118 19131876 19486170 20689020 22851963 23383404 23914845 25391070 27930177 28697814 29229255 30469284 31033530 31886460 35075106 37240236 38086605 38972340 43046721 45703926 46550295 47829690 50782140 52612659 55860354 57395628 58458510 62067060 68555889 70150212 71744535 76173210 83790531 86093442 87687765 91407852 93100590 95659380 105225318 111720708 114259815 116917020 129140163 137111778 139650885 143489070 152346420 157837977 167581062 172186884 175375530 186201180 205667667 210450636 215233605 228519630 251371593 258280326 263063295 274223556 279301770 286978140 315675954 335162124 342779445 350751060 411335334 418952655 430467210 457039260 473513931 502743186 516560652 526126590 558603540 617003001 631351908 645700815 685558890 754114779 789189885 822670668 837905310 860934420 947027862 1005486372 1028338335 1052253180 1234006002 1256857965 1291401630 1371117780 1420541793 1508229558 1578379770 1675810620 1851009003 1894055724 2056676670 2262344337 2367569655 2468012004 2513715930 2582803260 2841083586 3016459116 3085015005 3156759540 3702018006 3770573895 4113353340 4524688674 4735139310 5027431860 5553027009 5682167172 6170030010 6787033011 7102708965 7404036012 7541147790 9049377348 9255045015 9470278620 11106054018 11311721685 12340060020 13574066022 14205417930 15082295580 18510090030 20361099033 22212108036 22623443370 27148132044 27765135045 28410835860 33935165055 37020180060 40722198066 45246886740 55530270090 61083297099 67870330110 81444396132 101805495165 111060540180 122166594198 135740660220 203610990330 244333188396 305416485495 407221980660 610832970990 1221665941980
• Sum of all divisors σ(n): 4295718370944
• Sum of proper divisors (its aliquot sum) s(n): 3074052428964
• 1221665941980 is an abundant number, because the sum of its proper divisors (3074052428964) is greater than itself. Its abundance is 1852386486984

Bases of 1221665941980

• Binary: 10001110001110000111101101110100111011100₂
• Hexadecimal: 0x11C70F6E9DC
• Base-36: FL84CXR0

Squares and roots of 1221665941980

• 1221665941980 squared (1221665941980²) is 1492467673793880726320400
• 1221665941980 cubed (1221665941980³) is 1823296926580100657879978045290392000
• The square root of 1221665941980 is 1105289.9809461769
• The cube root of 1221665941980 is 10690.1587738571

Scales and comparisons

• 1,221,665,941,980 seconds is equal to 38,845 years, 10 weeks, 2 days, 2 hours, 33 minutes.
• To count from 1 to 1,221,665,941,980 would take you about ninety-seven thousand, one hundred twelve 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 1221665941980 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221665941980

• 1221665941980 backwards is 0891495661221
• 1221665941980 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221665941980's digits is 54
• More coming soon!