12721449707568

Names of 12721449707568

• Cardinal: 12721449707568 can be written as Twelve trillion, seven hundred twenty-one billion, four hundred forty-nine million, seven hundred seven thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2721449707568 × 10¹³

Factors of 12721449707568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 55821

Divisors of 12721449707568

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 84 108 112 126 144 168 181 189 216 252 336 362 378 421 432 504 543 724 756 842 1008 1086 1263 1267 1448 1512 1629 1684 2172 2526 2534 2896 2947 3024 3258 3368 3789 3801 4344 4887 5052 5068 5894 6516 6736 7578 7602 8688 8841 9774 10104 10136 11367 11403 11788 13032 15156 15204 17682 19548 20208 20272 22734 22806 23576 26064 26523 30312 30408 34209 35364 39096 45468 45612 47152 53046 55207 60624 60816 68418 70728 76201 78192 79569 90936 91224 106092 110414 136836 141456 152402 159138 165621 181872 182448 212184 220828 228603 273672 304804 318276 331242 386449 424368 441656 457206 496863 533407 547344 609608 636552 662484 685809 772898 883312 914412 993726 1066814 1159347 1219216 1273104 1324968 1371618 1490589 1545796 1600221 1828824 1987452 2057427 2133628 2318694 2649936 2743236 2981178 3091592 3200442 3478041 3657648 3974904 4114854 4267256 4637388 4800663 5486472 5962356 6183184 6400884 6956082 7949808 8229708 8534512 9274776 9601326 9992467 10434123 10972944 11924712 12801768 13912164 14401989 16459416 18549552 19202652 19984934 20868246 23242147 23849424 25603536 27824328 28803978 29977401 32918832 38405304 39969868 41736492 46484294 55648656 57607956 59954802 69726441 69947269 76810608 79939736 83472984 89932203 92968588 115215912 119909604 139452882 139894538 159879472 162695029 166945968 179864406 185937176 209179323 209841807 230431824 239819208 269796609 278905764 279789076 325390058 359728812 371874352 418358646 419683614 479638416 488085087 539593218 557811528 559578152 627537969 629525421 650780116 719457624 836717292 839367228 976170174 1079186436 1115623056 1119156304 1255075938 1259050842 1301560232 1438915248 1464255261 1673434584 1678734456 1888576263 1952340348 2158372872 2510151876 2518101684 2603120464 2928510522 3346869168 3357468912 3777152526 3904680696 4206828607 4316745744 4392765783 5020303752 5036203368 5857021044 7554305052 7809361392 8413657214 8785531566 10040607504 10072406736 11714042088 12620485821 15108610104 16827314428 17571063132 23428084176 25240971642 29447800249 30217220208 33654628856 35142126264 37861457463 50481943284 58895600498 67309257712 70284252528 75722914926 88343400747 100963886568 113584372389 117791200996 151445829852 176686801494 201927773136 227168744778 235582401992 265030202241 302891659704 353373602988 454337489556 471164803984 530060404482 605783319408 706747205976 795090606723 908674979112 1060120808964 1413494411952 1590181213446 1817349958224 2120241617928 3180362426892 4240483235856 6360724853784 12721449707568
• Sum of all divisors σ(n): 42062736701440
• Sum of proper divisors (its aliquot sum) s(n): 29341286993872
• 12721449707568 is an abundant number, because the sum of its proper divisors (29341286993872) is greater than itself. Its abundance is 16619837286304

Bases of 12721449707568

• Binary: 10111001000111110001011111011010100000110000₂
• Hexadecimal: 0xB91F17DA830
• Base-36: 4IC5IP4C0

Squares and roots of 12721449707568

• 12721449707568 squared (12721449707568²) is 161835282662181952716474624
• 12721449707568 cubed (12721449707568³) is 2058779409296999222917803308700692754432
• The square root of 12721449707568 is 3566714.1331438381
• The cube root of 12721449707568 is 23344.1931784641

Scales and comparisons

• 12,721,449,707,568 seconds is equal to 404,502 years, 39 weeks, 5 hours, 52 minutes, 48 seconds.
• To count from 1 to 12,721,449,707,568 would take you about one million, eleven thousand, two hundred fifty-six 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 12721449707568 cubic inches would be around 1945.3 feet tall.

Recreational maths with 12721449707568

• 12721449707568 backwards is 86570794412721
• 12721449707568 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12721449707568's digits is 63
• More coming soon!