421909678133867

Names of 421909678133867

• Cardinal: 421909678133867 can be written as Four hundred twenty-one trillion, nine hundred nine billion, six hundred seventy-eight million, one hundred thirty-three thousand, eight hundred sixty-seven.

Scientific notation

• Scientific notation: 4.21909678133867 × 10¹⁴

Factors of 421909678133867

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 831

Divisors of 421909678133867

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 29 77 203 227 319 557 841 1589 2233 2497 3899 5887 6127 6583 9251 16153 17479 42889 46081 51529 64757 72413 113071 126439 177683 190907 360703 468437 506891 566819 885073 1243781 1336349 1390829 1494341 2099977 3279059 3666731 3967733 5152807 9735803 10460387 11697083 14699839 16437751 25667117 28701653 36069649 40334041 43335889 81879581 106335199 115064257 128667913 200911571 282338287 303351223 315718183 339215407 476694779 744346393 832347937 900675391 1169687189 2210027281 2374507849 3336863453 3731369477 5826435559 6515275231 8187810323 9155827307 9837246803 24138090173 26119586339 45606926617 64090791149 68860727621 71668027541 108209714833 168966631211 188942981699 265518991903 501676192787 757468003831 1322600871893 1858632943321 2078372798689 5479346469271 14548609590823 38355425284897 60272811161981 421909678133867
• Sum of all divisors σ(n): 548174181035520
• Sum of proper divisors (its aliquot sum) s(n): 126264502901653
• 421909678133867 is a deficient number, because the sum of its proper divisors (126264502901653) is less than itself. Its deficiency is 295645175232214

Bases of 421909678133867

• Binary: 1011111111011100110000000011111100001001001101011₂
• Hexadecimal: 0x17FB9807E126B
• Base-36: 45JYMOZ4OB

Squares and roots of 421909678133867

• 421909678133867 squared (421909678133867²) is 178007776503023249747572373689
• 421909678133867 cubed (421909678133867³) is 75103203689715872344642054838779933090625363
• The square root of 421909678133867 is 20540440.0667041941
• The cube root of 421909678133867 is 75002.0549442209

Scales and comparisons

• 421,909,678,133,867 seconds is equal to 13,415,422 years, 37 weeks, 6 hours, 57 minutes, 47 seconds.
• To count from 1 to 421,909,678,133,867 would take you about thirty-three million, five hundred thirty-eight thousand, five hundred fifty-six 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 421909678133867 cubic inches would be around 6250.2 feet tall.

Recreational maths with 421909678133867

• 421909678133867 backwards is 768331876909124
• The number of decimal digits it has is: 15
• The sum of 421909678133867's digits is 74
• More coming soon!