18938680889232

Names of 18938680889232

• Cardinal: 18938680889232 can be written as Eighteen trillion, nine hundred thirty-eight billion, six hundred eighty million, eight hundred eighty-nine thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 1.8938680889232 × 10¹³

Factors of 18938680889232

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 524439

Divisors of 18938680889232

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 39 48 52 61 73 78 104 122 146 156 169 183 208 219 244 292 312 338 366 438 488 507 584 624 676 732 793 876 949 976 1014 1168 1352 1464 1586 1752 1898 2028 2379 2704 2847 2928 3172 3504 3796 4056 4453 4758 5694 6344 7592 8112 8906 9516 10309 11388 12337 12688 13359 15184 17812 19032 20618 22776 24674 26718 30927 35624 37011 38064 41236 45552 49348 53436 57889 61854 71248 74022 82472 98696 106872 115778 123708 148044 164944 173667 197392 213744 231556 247416 296088 347334 463112 494832 524287 592176 694668 752557 926224 1048574 1389336 1505114 1572861 2097148 2257671 2778672 3010228 3145722 4194296 4515342 6020456 6291444 6815731 8388592 9030684 12040912 12582888 13631462 18061368 20447193 25165776 27262924 31981507 36122736 38272951 40894386 54525848 63963014 76545902 81788772 88604503 95944521 109051696 114818853 127926028 153091804 163577544 177209006 191889042 229637706 255852056 265813509 306183608 327155088 354418012 383778084 415759591 459275412 497548363 511704112 531627018 612367216 708836024 767556168 831519182 918550824 995096726 1063254036 1247278773 1417672048 1492645089 1535112336 1663038364 1837101648 1990193452 2126508072 2334650011 2494557546 2985290178 3326076728 3980386904 4253016144 4669300022 4989115092 5404874683 5970580356 6468128719 6652153456 7003950033 7960773808 9338600044 9978230184 10809749366 11941160712 12936257438 14007900066 16214624049 18677200088 19404386157 19956460368 21619498732 23882321424 25872514876 28015800132 30350450143 32429248098 37354400176 38808772314 43238997464 51745029752 56031600264 60700900286 64858496196 77617544628 86477994928 91051350429 103490059504 112063200528 121401800572 129716992392 155235089256 182102700858 242803601144 259433984784 310470178512 364205401716 394555851859 485607202288 728410803432 789111703718 1183667555577 1456821606864 1578223407436 2367335111154 3156446814872 4734670222308 6312893629744 9469340444616 18938680889232
• Sum of all divisors σ(n): 54584093442048
• Sum of proper divisors (its aliquot sum) s(n): 35645412552816
• 18938680889232 is an abundant number, because the sum of its proper divisors (35645412552816) is greater than itself. Its abundance is 16706731663584

Bases of 18938680889232

• Binary: 100010011100110000001010110001100111110010000₂
• Hexadecimal: 0x11398158CF90
• Base-36: 6POB5MAHC

Squares and roots of 18938680889232

• 18938680889232 squared (18938680889232²) is 358673633824161378253549824
• 18938680889232 cubed (18938680889232³) is 6792805494377041363829609687952937095168
• The square root of 18938680889232 is 4351859.4748948409
• The cube root of 18938680889232 is 26655.2795828345

Scales and comparisons

• 18,938,680,889,232 seconds is equal to 602,191 years, 24 weeks, 3 days, 11 hours, 27 minutes, 12 seconds.
• To count from 1 to 18,938,680,889,232 would take you about one million, five hundred five thousand, four 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 18938680889232 cubic inches would be around 2221.3 feet tall.

Recreational maths with 18938680889232

• 18938680889232 backwards is 23298808683981
• The number of decimal digits it has is: 14
• The sum of 18938680889232's digits is 75
• More coming soon!