1221996648644849

Names of 1221996648644849

• Cardinal: 1221996648644849 can be written as One quadrillion, two hundred twenty-one trillion, nine hundred ninety-six billion, six hundred forty-eight million, six hundred forty-four thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.221996648644849 × 10¹⁵

Factors of 1221996648644849

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1081

Divisors of 1221996648644849

• Number of divisors d(n): 216
• Complete list of divisors:
  1 7 11 19 31 49 77 121 133 209 217 341 539 589 847 931 961 1013 1331 1463 1519 2299 2387 3751 4123 5929 6479 6727 7091 9317 10241 10571 11143 16093 16709 18259 19247 25289 26257 28861 31403 41261 45353 47089 49637 65219 71269 73997 78001 112651 116281 122573 127813 134729 177023 183799 200849 211717 219821 288827 317471 345433 498883 517979 546007 596657 783959 813967 858011 894691 943103 973493 1026169 1239161 1279091 1348303 1405943 1482019 1538747 2021789 2209339 2328887 2418031 3492181 3799763 4176599 5487713 5697769 6006077 6563227 6814451 7183183 8953637 9438121 9841601 10374133 10708423 11287859 15465373 16302209 16926217 18496367 19497211 24302729 25617757 26598341 29236193 31811239 38413991 41797393 45942589 47701157 50282281 62675459 66066847 72195497 74958961 79015013 108257611 114115463 117792653 124166449 129474569 136480477 170119103 179324299 186188387 203460037 214469321 222678673 292581751 321598123 349923629 505368479 524712727 553105091 604413541 794150467 824548571 869165143 906321983 955363339 986148409 1190833721 1255270093 1295719183 1365830939 1424220259 1501285247 1558750711 2048072257 2238060407 2359162531 2449465403 3537579353 3849159919 4230894787 5559053269 5771839997 6084156001 6648548951 6903038863 9070034281 9560816573 9969541813 10508996729 10847632499 15666422849 16514137717 17146257821 18736819771 24618664477 25950787841 26944119433 29616263509 38913372883 42340759109 46539842657 48321272041 63490239967 66925716011 73134038461 75933427493 109664959943 115598964019 119323957489 131157738397 172330651339 181655514887 188608836031 206105017481 296385313763 325778898599 511938269227 531533992451 804474423071 835267702423 918104168779 1206314559373 1271588604209 1312563532379 1442735122367 2074697196341 2267155192291 3583567884589 5631320961497 5846873916961 9187944726653 10099145856569 15870086346037 24938707115201 39419246730479 64315613086571 111090604422259 174570949806407 1221996648644849
• Sum of all divisors σ(n): 1702327048302240
• Sum of proper divisors (its aliquot sum) s(n): 480330399657391
• 1221996648644849 is a deficient number, because the sum of its proper divisors (480330399657391) is less than itself. Its deficiency is 741666248987458

Bases of 1221996648644849

• Binary: 100010101110110011001000100001010001100000011110001₂
• Hexadecimal: 0x457664428C0F1
• Base-36: C15TIDL1PT

Squares and roots of 1221996648644849

• 1221996648644849 squared (1221996648644849²) is 1493275809299242537348134232801
• 1221996648644849 cubed (1221996648644849³) is 1824778034466099021929242092503280662935492049
• The square root of 1221996648644849 is 34957068.6506298607
• The cube root of 1221996648644849 is 106911.2330043165

Scales and comparisons

• 1,221,996,648,644,849 seconds is equal to 38,855,713 years, 28 weeks, 1 day, 16 hours, 27 minutes, 29 seconds.
• To count from 1 to 1,221,996,648,644,849 would take you about one hundred sixteen million, five hundred sixty-seven thousand, one hundred forty 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 1221996648644849 cubic inches would be around 8909.3 feet tall.

Recreational maths with 1221996648644849

• 1221996648644849 backwards is 9484468466991221
• The number of decimal digits it has is: 16
• The sum of 1221996648644849's digits is 83
• More coming soon!