12987820189422

Names of 12987820189422

• Cardinal: 12987820189422 can be written as Twelve trillion, nine hundred eighty-seven billion, eight hundred twenty million, one hundred eighty-nine thousand, four hundred twenty-two.

Scientific notation

• Scientific notation: 1.2987820189422 × 10¹³

Factors of 12987820189422

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10481

Divisors of 12987820189422

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 1014 1521 2197 3042 4394 4563 6591 9126 10463 13182 19773 20926 31389 39546 59319 62778 94167 118638 136019 188334 272038 282501 408057 565002 816114 1224171 1768247 2448342 3536494 3672513 5304741 7345026 10609482 15914223 22987211 31828446 45974422 47742669 68961633 95485338 109474369 137923266 206884899 218948738 328423107 413769798 620654697 656846214 985269321 1241309394 1423166797 1970538642 2846333594 2955807963 4269500391 5911615926 8539000782 12808501173 18501168361 25617002346 37002336722 38425503519 55503505083 76851007038 111007010166 166510515249 240515188693 333021030498 481030377386 499531545747 721545566079 999063091494 1443091132158 2164636698237 4329273396474 6493910094711 12987820189422
• Sum of all divisors σ(n): 31268868304800
• Sum of proper divisors (its aliquot sum) s(n): 18281048115378
• 12987820189422 is an abundant number, because the sum of its proper divisors (18281048115378) is greater than itself. Its abundance is 5293227925956

Bases of 12987820189422

• Binary: 10111100111111110110011010001010011011101110₂
• Hexadecimal: 0xBCFF668A6EE
• Base-36: 4LQISSZJI

Squares and roots of 12987820189422

• 12987820189422 squared (12987820189422²) is 168683473272757715960694084
• 12987820189422 cubed (12987820189422³) is 2190830619793748992780933910763474779448
• The square root of 12987820189422 is 3603861.8438311423
• The cube root of 12987820189422 is 23506.0012977865

Scales and comparisons

• 12,987,820,189,422 seconds is equal to 412,972 years, 26 weeks, 2 days, 22 hours, 23 minutes, 42 seconds.
• To count from 1 to 12,987,820,189,422 would take you about one million, thirty-two thousand, four hundred thirty-one 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 12987820189422 cubic inches would be around 1958.8 feet tall.

Recreational maths with 12987820189422

• 12987820189422 backwards is 22498102878921
• The number of decimal digits it has is: 14
• The sum of 12987820189422's digits is 63
• More coming soon!