12905386997472

Names of 12905386997472

• Cardinal: 12905386997472 can be written as Twelve trillion, nine hundred five billion, three hundred eighty-six million, nine hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.2905386997472 × 10¹³

Factors of 12905386997472

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 15635

Divisors of 12905386997472

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 211 272 288 306 408 422 544 612 633 816 844 859 1224 1266 1632 1688 1718 1899 2448 2532 2577 3376 3436 3587 3798 4896 5064 5154 6752 6872 7174 7596 7731 10128 10308 10761 13744 14348 14543 14603 15192 15462 20256 20616 21522 27488 28696 29086 29206 30384 30924 32283 41232 43044 43629 43809 57392 58172 58412 60768 61848 64566 82464 86088 87258 87618 114784 116344 116824 123696 129132 130887 131427 172176 174516 175236 181249 232688 233648 247231 247392 258264 261774 262854 344352 349032 350472 362498 465376 467296 494462 516528 523548 525708 543747 698064 700944 724996 741693 988924 1033056 1047096 1051416 1087494 1396128 1401888 1449992 1483386 1631241 1977848 2094192 2102832 2174988 2225079 2899984 2966772 3068573 3081233 3262482 3955696 4188384 4205664 4349976 4450158 5799968 5933544 6137146 6162466 6524964 7911392 8699952 8900316 9205719 9243699 11867088 12274292 12324932 12492437 13049928 17399904 17800632 18411438 18487398 23734176 24548584 24649864 24984874 26099856 27617157 27731097 35601264 36822876 36974796 37477311 49097168 49299728 49969748 52165741 52199712 55234314 55462194 71202528 73645752 73949592 74954622 98194336 98599456 99939496 104331482 110468628 110924388 112431933 147291504 147899184 149909244 156497223 199878992 208662964 212371429 220937256 221848776 224863866 294583008 295798368 299818488 312994446 399757984 417325928 424742858 441874512 443697552 449727732 469491669 599636976 625988892 637114287 834651856 849485716 883749024 887395104 899455464 938983338 1199273952 1251977784 1274228574 1669303712 1698971432 1798910928 1877966676 1911342861 2503955568 2548457148 2635904207 3397942864 3597821856 3755933352 3822685722 5007911136 5096914296 5271808414 6795885728 7511866704 7645371444 7907712621 10193828592 10543616828 15023733408 15290742888 15815425242 20387657184 21087233656 23723137863 30581485776 31630850484 42174467312 44810371519 47446275726 61162971552 63261700968 84348934624 89620743038 94892551452 126523401936 134431114557 179241486076 189785102904 253046803872 268862229114 358482972152 379570205808 403293343671 537724458228 716965944304 759140411616 806586687342 1075448916456 1433931888608 1613173374684 2150897832912 3226346749368 4301795665824 6452693498736 12905386997472
• Sum of all divisors σ(n): 39090802383360
• Sum of proper divisors (its aliquot sum) s(n): 26185415385888
• 12905386997472 is an abundant number, because the sum of its proper divisors (26185415385888) is greater than itself. Its abundance is 13280028388416

Bases of 12905386997472

• Binary: 10111011110011000101000000011111011011100000₂
• Hexadecimal: 0xBBCC501F6E0
• Base-36: 4KONI7LK0

Squares and roots of 12905386997472

• 12905386997472 squared (12905386997472²) is 166549013554519363334390784
• 12905386997472 cubed (12905386997472³) is 2149379473968282076558098526244068098048
• The square root of 12905386997472 is 3592406.8529986967
• The cube root of 12905386997472 is 23456.1651524875

Scales and comparisons

• 12,905,386,997,472 seconds is equal to 410,351 years, 20 weeks, 1 day, 1 hour, 31 minutes, 12 seconds.
• To count from 1 to 12,905,386,997,472 would take you about one million, twenty-five thousand, eight hundred seventy-eight 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 12905386997472 cubic inches would be around 1954.7 feet tall.

Recreational maths with 12905386997472

• 12905386997472 backwards is 27479968350921
• 12905386997472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12905386997472's digits is 72
• More coming soon!