18481911881512

Names of 18481911881512

• Cardinal: 18481911881512 can be written as Eighteen trillion, four hundred eighty-one billion, nine hundred eleven million, eight hundred eighty-one thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.8481911881512 × 10¹³

Factors of 18481911881512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13210

Divisors of 18481911881512

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 61 122 244 488 1093 2186 4372 4733 7321 8744 9466 14642 18932 29284 37864 58568 66673 133346 266692 288713 446581 533384 577426 893162 1154852 1786324 2309704 3572648 5173169 8001853 10346338 16003706 20692676 32007412 34650293 41385352 64014824 69300586 138601172 277202344 315563309 488113033 631126618 976226066 1262253236 1952452132 2113667873 2524506472 3904904264 4227335746 8454671492 16909342984 37872770249 75745540498 151491080996 302982161992 2310238985189 4620477970378 9240955940756 18481911881512
• Sum of all divisors σ(n): 35266166102160
• Sum of proper divisors (its aliquot sum) s(n): 16784254220648
• 18481911881512 is a deficient number, because the sum of its proper divisors (16784254220648) is less than itself. Its deficiency is 1697657660864

Bases of 18481911881512

• Binary: 100001100111100100111110010101101111100101000₂
• Hexadecimal: 0x10CF27CADF28
• Base-36: 6JUH158H4

Squares and roots of 18481911881512

• 18481911881512 squared (18481911881512²) is 341581066795974435927406144
• 18481911881512 cubed (18481911881512³) is 6313071176916064036538539777500828809728
• The square root of 18481911881512 is 4299059.4182346443
• The cube root of 18481911881512 is 26439.2398757833

Scales and comparisons

• 18,481,911,881,512 seconds is equal to 587,667 years, 32 weeks, 5 days, 3 hours, 31 minutes, 52 seconds.
• To count from 1 to 18,481,911,881,512 would take you about one million, four hundred sixty-nine thousand, one hundred sixty-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 18481911881512 cubic inches would be around 2203.3 feet tall.

Recreational maths with 18481911881512

• 18481911881512 backwards is 21518811918481
• The number of decimal digits it has is: 14
• The sum of 18481911881512's digits is 58
• More coming soon!