18161394413359

Names of 18161394413359

• Cardinal: 18161394413359 can be written as Eighteen trillion, one hundred sixty-one billion, three hundred ninety-four million, four hundred thirteen thousand, three hundred fifty-nine.

Scientific notation

• Scientific notation: 1.8161394413359 × 10¹³

Factors of 18161394413359

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2085

Divisors of 18161394413359

• Number of divisors d(n): 128
• Complete list of divisors:
  1 19 29 31 43 113 127 551 589 817 899 1247 1333 1723 2147 2413 3277 3503 3683 3937 4859 5461 14351 17081 23693 25327 32737 38657 49967 53413 62263 66557 69977 74089 74803 92321 101587 103759 114173 140911 150629 158369 169291 194699 218821 272669 416179 444881 617093 734483 949373 1014847 1407691 1548977 1930153 2148581 2169287 2296759 2677309 2861951 3009011 3216529 3699281 4157599 4368241 4909439 5646271 6035669 6345809 6783451 7907401 8372057 8452739 9409303 11724767 12901549 17895697 19129883 24726773 29430563 40823039 43638421 66606011 82996579 93279341 107279149 114677711 120570371 128885569 159069083 175034401 178776757 196720079 242789653 245129431 259533767 272869787 291688393 340018243 363467777 469808687 554766607 717076417 766529963 1063251239 1265514209 3325653619 3737681501 4613003407 4931141573 5184525953 5542079467 7526479243 8458963397 10540565533 13624451923 14564069297 20201773541 22229368927 30834285931 32960788409 143003105617 160720304543 422358009613 585851432689 626254979771 955862863861 18161394413359
• Sum of all divisors σ(n): 21252302438400
• Sum of proper divisors (its aliquot sum) s(n): 3090908025041
• 18161394413359 is a deficient number, because the sum of its proper divisors (3090908025041) is less than itself. Its deficiency is 15070486388318

Bases of 18161394413359

• Binary: 100001000010010000111011101100110111100101111₂
• Hexadecimal: 0x108487766F2F
• Base-36: 6FR89BJ8V

Squares and roots of 18161394413359

• 18161394413359 squared (18161394413359²) is 329836247037587495757662881
• 18161394413359 cubed (18161394413359³) is 5990286174271740559138373759907884827279
• The square root of 18161394413359 is 4261618.7550459039
• The cube root of 18161394413359 is 26285.5093317439

Scales and comparisons

• 18,161,394,413,359 seconds is equal to 577,476 years, 8 weeks, 4 days, 5 hours, 29 minutes, 19 seconds.
• To count from 1 to 18,161,394,413,359 would take you about one million, four hundred forty-three thousand, six hundred ninety 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 18161394413359 cubic inches would be around 2190.5 feet tall.

Recreational maths with 18161394413359

• 18161394413359 backwards is 95331449316181
• The number of decimal digits it has is: 14
• The sum of 18161394413359's digits is 58
• More coming soon!