12813894964728

Names of 12813894964728

• Cardinal: 12813894964728 can be written as Twelve trillion, eight hundred thirteen billion, eight hundred ninety-four million, nine hundred sixty-four thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2813894964728 × 10¹³

Factors of 12813894964728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4231

Divisors of 12813894964728

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 66 72 73 78 88 99 104 117 132 143 146 156 198 219 234 264 286 292 312 396 429 438 468 572 584 657 792 803 858 876 936 949 1144 1287 1314 1606 1716 1752 1898 2409 2574 2628 2847 3212 3432 3796 4129 4818 5148 5256 5694 6424 7227 7592 8258 8541 9636 10296 10439 11388 12387 14454 16516 17082 19272 20878 22776 24774 28908 31317 33032 34164 37161 41756 45419 49548 53677 57816 62634 68328 74322 83512 90838 93951 99096 107354 125268 136257 148644 161031 181676 187902 214708 250536 272514 297288 301417 322062 363352 375804 408771 429416 483093 545028 590447 602834 644124 751608 817542 904251 966186 1090056 1180894 1205668 1288248 1635084 1771341 1808502 1932372 2361788 2411336 2712753 3270168 3315587 3542682 3617004 3864744 3918421 4723576 5314023 5425506 6631174 7085364 7234008 7836842 9946761 10628046 10851012 11755263 13262348 14170728 15673684 17048641 19893522 21256092 21702024 23510526 26524696 29840283 31347368 34097282 35265789 39787044 42512184 43102631 47021052 51145923 59680566 68194564 70531578 79574088 86205262 94042104 102291846 119361132 129307893 136389128 141063156 153437769 172410524 187535051 204583692 221632333 238722264 258615786 282126312 306875538 344821048 375070102 387923679 409167384 443264666 517231572 562605153 613751076 664896999 750140204 775847358 886529332 1034463144 1125210306 1227502152 1244550793 1329793998 1500280408 1551694716 1687815459 1773058664 1994690997 2250420612 2437955663 2489101586 2659587996 3103389432 3375630918 3733652379 3989381994 4500841224 4875911326 4978203172 5319175992 6751261836 7313866989 7467304758 7978763988 9751822652 9956406344 11200957137 13502523672 13690058723 14627733978 14934609516 15957527976 16179160309 19503645304 21941600967 22401914274 27380117446 29255467956 29869219032 32358320618 41070176169 43883201934 44803828548 48537480927 54760234892 58510935912 64716641236 82140352338 87766403868 89607657096 97074961854 109520469784 123210528507 129433282472 145612442781 164280704676 175532807736 177970763399 194149923708 246421057014 291224885562 328561409352 355941526798 388299847416 492842114028 533912290197 582449771124 711883053596 985684228056 1067824580394 1164899542248 1423766107192 1601736870591 2135649160788 3203473741182 4271298321576 6406947482364 12813894964728
• Sum of all divisors σ(n): 41340009569040
• Sum of proper divisors (its aliquot sum) s(n): 28526114604312
• 12813894964728 is an abundant number, because the sum of its proper divisors (28526114604312) is greater than itself. Its abundance is 15712219639584

Bases of 12813894964728

• Binary: 10111010011101110111101010000101010111111000₂
• Hexadecimal: 0xBA777A855F8
• Base-36: 4JIME7TA0

Squares and roots of 12813894964728

• 12813894964728 squared (12813894964728²) is 164195904167081592364113984
• 12813894964728 cubed (12813894964728³) is 2103989069635528049205256433140651556352
• The square root of 12813894964728 is 3579650.1176411083
• The cube root of 12813894964728 is 23400.6032454171

Scales and comparisons

• 12,813,894,964,728 seconds is equal to 407,442 years, 11 weeks, 4 days, 11 hours, 58 minutes, 48 seconds.
• To count from 1 to 12,813,894,964,728 would take you about one million, eighteen thousand, six hundred 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 12813894964728 cubic inches would be around 1950.1 feet tall.

Recreational maths with 12813894964728

• 12813894964728 backwards is 82746949831821
• 12813894964728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12813894964728's digits is 72
• More coming soon!