72664561431

Names of 72664561431

• Cardinal: 72664561431 can be written as Seventy-two billion, six hundred sixty-four million, five hundred sixty-one thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 7.2664561431 × 10¹⁰

Factors of 72664561431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 227

Divisors of 72664561431

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 7 9 11 21 27 33 63 67 77 81 99 139 189 201 231 243 297 417 469 567 603 693 729 737 891 973 1251 1407 1529 1701 1809 2079 2211 2673 2919 3753 4221 4587 5103 5159 5427 6237 6633 8019 8757 9313 10703 11259 12663 13761 15477 16281 18711 19321 19899 26271 27939 32109 33777 37989 41283 46431 48843 56133 57963 59697 65191 78813 83817 96327 101331 102443 113967 123849 135247 139293 173889 179091 195573 212531 236439 251451 288981 307329 341901 371547 405741 417879 521667 537273 586719 637593 709317 717101 754353 866943 921987 1114641 1217223 1253637 1294507 1487717 1565001 1760157 1912779 2151303 2263059 2600829 2765961 3651669 3760911 3883521 4463151 4695003 5280471 5738337 6453909 6789177 7802487 8297883 9061549 10955007 11650563 13389453 14085009 14239577 15841413 17215011 19361727 24893649 27184647 32865021 34951689 40168359 42718731 47524239 51645033 58085181 74680947 81553941 98595063 99677039 104855067 120505077 128156193 154935099 174255543 244661823 299031117 314565201 361515231 384468579 522766629 733985469 897093351 943695603 1084545693 1153405737 2201956407 2691280053 3460217211 6605869221 8073840159 10380651633 24221520477 72664561431
• Sum of all divisors σ(n): 138856258944
• Sum of proper divisors (its aliquot sum) s(n): 66191697513
• 72664561431 is a deficient number, because the sum of its proper divisors (66191697513) is less than itself. Its deficiency is 6472863918

Bases of 72664561431

• Binary: 1000011101011001001010011011100010111₂
• Hexadecimal: 0x10EB253717
• Base-36: XDQLQFR

Squares and roots of 72664561431

• 72664561431 squared (72664561431²) is 5280138487959572767761
• 72664561431 cubed (72664561431³) is 383678947522525829227483880825991
• The square root of 72664561431 is 269563.6500550471
• The cube root of 72664561431 is 4172.9279436787

Scales and comparisons

• 72,664,561,431 seconds is equal to 2,310 years, 26 weeks, 3 days, 23 minutes, 51 seconds.
• To count from 1 to 72,664,561,431 would take you about four thousand, six hundred twenty-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 72664561431 cubic inches would be around 347.7 feet tall.

Recreational maths with 72664561431

• 72664561431 backwards is 13416546627
• The number of decimal digits it has is: 11
• The sum of 72664561431's digits is 45
• More coming soon!