121291198455

Names of 121291198455

• Cardinal: 121291198455 can be written as One hundred twenty-one billion, two hundred ninety-one million, one hundred ninety-eight thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.21291198455 × 10¹¹

Factors of 121291198455

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2977

Divisors of 121291198455

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 15 21 31 35 93 101 105 137 155 217 303 411 465 505 651 685 707 959 1085 1515 2055 2121 2693 2877 3131 3255 3535 4247 4795 8079 9393 10605 12741 13465 13837 14385 15655 18851 21235 21917 29729 40395 41511 46965 56553 63705 65751 69185 83483 89187 94255 96859 109585 148645 207555 250449 271993 282765 290577 328755 368941 417415 428947 445935 484295 584381 815979 1106823 1252245 1286841 1359965 1452885 1753143 1844705 1903951 2144735 2582587 2921905 3002629 4079895 5534115 5711853 6434205 7747761 8431783 8765715 9007887 9519755 11437171 12912935 15013145 25295349 28559265 34311513 37263041 38738805 42158915 45039435 57185855 59022481 80060197 111789123 126476745 171557565 177067443 186315205 240180591 260841287 295112405 400300985 558945615 782523861 885337215 1155154271 1200902955 1304206435 3465462813 3912619305 5775771355 8086079897 17327314065 24258239691 40430399485 121291198455
• Sum of all divisors σ(n): 232985051136
• Sum of proper divisors (its aliquot sum) s(n): 111693852681
• 121291198455 is a deficient number, because the sum of its proper divisors (111693852681) is less than itself. Its deficiency is 9597345774

Bases of 121291198455

• Binary: 1110000111101100001001100111111110111₂
• Hexadecimal: 0x1C3D84CFF7
• Base-36: 1JPXNBP3

Squares and roots of 121291198455

• 121291198455 squared (121291198455²) is 14711554822650194387025
• 121291198455 cubed (121291198455³) is 1784382115575677056440976352046375
• The square root of 121291198455 is 348268.8594390833
• The cube root of 121291198455 is 4950.0520139417

Scales and comparisons

• 121,291,198,455 seconds is equal to 3,856 years, 35 weeks, 4 days, 7 hours, 34 minutes, 15 seconds.
• To count from 1 to 121,291,198,455 would take you about seven thousand, seven hundred thirteen 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 121291198455 cubic inches would be around 412.5 feet tall.

Recreational maths with 121291198455

• 121291198455 backwards is 554891192121
• The number of decimal digits it has is: 12
• The sum of 121291198455's digits is 48
• More coming soon!