1091405439728

Names of 1091405439728

• Cardinal: 1091405439728 can be written as One trillion, ninety-one billion, four hundred five million, four hundred thirty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.091405439728 × 10¹²

Factors of 1091405439728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 417

Divisors of 1091405439728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 17 31 34 62 68 124 136 248 272 367 496 527 734 961 1054 1468 1922 2108 2936 3844 4216 5872 6239 7688 8432 11377 12478 15376 16337 22754 24956 29791 32674 45508 49912 59582 65348 91016 99824 119164 130696 134689 182032 193409 238328 261392 269378 352687 386818 476656 506447 538756 705374 773636 1012894 1077512 1410748 1547272 2025788 2155024 2289713 2821496 3094544 4051576 4175359 4579426 5642992 5995679 8103152 8350718 9158852 10933297 11991358 16701436 18317704 21866594 23982716 33402872 36635408 43733188 47965432 66805744 70981103 87466376 95930864 129436129 141962206 174932752 185866049 258872258 283924412 371732098 517744516 567848824 743464196 1035489032 1135697648 1486928392 2070978064 2200414193 2973856784 4012519999 4400828386 8025039998 8801656772 16050079996 17603313544 32100159992 35206627088 64200319984 68212839983 136425679966 272851359932 545702719864 1091405439728
• Sum of all divisors σ(n): 2319937835904
• Sum of proper divisors (its aliquot sum) s(n): 1228532396176
• 1091405439728 is an abundant number, because the sum of its proper divisors (1228532396176) is greater than itself. Its abundance is 137126956448

Bases of 1091405439728

• Binary: 1111111000011100110101010110001011110000₂
• Hexadecimal: 0xFE1CD562F0
• Base-36: DXDUMAY8

Squares and roots of 1091405439728

• 1091405439728 squared (1091405439728²) is 1191165833867869040713984
• 1091405439728 cubed (1091405439728³) is 1300044870701531405430763242598756352
• The square root of 1091405439728 is 1044703.5176201907
• The cube root of 1091405439728 is 10295.8460005599

Scales and comparisons

• 1,091,405,439,728 seconds is equal to 34,703 years, 16 weeks, 3 days, 9 hours, 42 minutes, 8 seconds.
• To count from 1 to 1,091,405,439,728 would take you about eighty-six thousand, seven hundred fifty-eight 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 1091405439728 cubic inches would be around 858 feet tall.

Recreational maths with 1091405439728

• 1091405439728 backwards is 8279345041901
• The number of decimal digits it has is: 13
• The sum of 1091405439728's digits is 53
• More coming soon!