18421160666825

Names of 18421160666825

• Cardinal: 18421160666825 can be written as Eighteen trillion, four hundred twenty-one billion, one hundred sixty million, six hundred sixty-six thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.8421160666825 × 10¹³

Factors of 18421160666825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 367

Divisors of 18421160666825

• Number of divisors d(n): 216
• Complete list of divisors:
  1 5 7 25 35 43 49 131 175 181 215 245 301 343 655 905 917 1075 1225 1267 1505 1715 1849 2107 2401 3275 4525 4585 5633 6335 6419 7525 7783 8575 8869 9245 10535 12005 12943 14749 16807 22925 23711 28165 31675 32095 38915 39431 44345 44933 46225 52675 54481 60025 62083 64715 73745 84035 90601 103243 118555 140825 160475 165977 194575 197155 221725 224665 242219 272405 276017 310415 314531 323575 334669 368725 381367 420175 434581 453005 516215 592775 634207 722701 829885 985775 1019573 1123325 1161839 1211095 1362025 1380085 1552075 1572655 1673345 1695533 1906835 1932119 2172905 2201717 2265025 2342683 2581075 2669569 3042067 3171035 3613505 4149425 4439449 5097865 5809195 6055475 6900425 7137011 7863275 8132873 8366725 8477665 9534175 9660595 10864525 11008585 11713415 11868731 13347845 13524833 15210335 15855175 16398781 18067525 18686983 22197245 25489325 29045975 31076143 35685055 40664365 42388325 43841639 48302975 49959077 55042925 56930111 58567075 59343655 66739225 67624165 76051675 81993905 83081117 93434915 94673831 110986225 114791467 130808881 155380715 178425275 203321825 219208195 249795385 284650555 296718275 306891473 338120825 349713539 398510777 409969525 415405585 467174575 473369155 573957335 581567819 654044405 776903575 803540269 1096040975 1248976925 1423252775 1534457365 1748567695 1992553885 2077027925 2148240311 2366845775 2447994773 2869786675 2907839095 3270222025 4017701345 4070974733 5624781883 7672286825 8742838475 9962769425 10741201555 12239973865 14539195475 15037682177 17135963411 20088506725 20354873665 28123909415 53706007775 61199869325 75188410885 85679817055 101774368325 105263775239 140619547075 375942054425 428399085275 526318876195 736846426673 2631594380975 3684232133365 18421160666825
• Sum of all divisors σ(n): 27643366086336
• Sum of proper divisors (its aliquot sum) s(n): 9222205419511
• 18421160666825 is a deficient number, because the sum of its proper divisors (9222205419511) is less than itself. Its deficiency is 9198955247314

Bases of 18421160666825

• Binary: 100001100000100000010101111001110011011001001₂
• Hexadecimal: 0x10C102BCE6C9
• Base-36: 6J2KBFV7T

Squares and roots of 18421160666825

• 18421160666825 squared (18421160666825²) is 339339160312980478655580625
• 18421160666825 cubed (18421160666825³) is 6251021192670899049894243265532550265625
• The square root of 18421160666825 is 4291987.9621015947
• The cube root of 18421160666825 is 26410.2389246507

Scales and comparisons

• 18,421,160,666,825 seconds is equal to 585,735 years, 48 weeks, 2 days, 2 hours, 7 minutes, 5 seconds.
• To count from 1 to 18,421,160,666,825 would take you about one million, four hundred sixty-four thousand, three hundred thirty-nine 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 18421160666825 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421160666825

• 18421160666825 backwards is 52866606112481
• The number of decimal digits it has is: 14
• The sum of 18421160666825's digits is 56
• More coming soon!