121395590955

Names of 121395590955

• Cardinal: 121395590955 can be written as One hundred twenty-one billion, three hundred ninety-five million, five hundred ninety thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 1.21395590955 × 10¹¹

Factors of 121395590955

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2824

Divisors of 121395590955

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 17 31 45 51 61 85 93 153 155 183 255 279 305 465 527 549 765 915 961 1037 1395 1581 1891 2635 2707 2745 2883 3111 4743 4805 5185 5673 7905 8121 8649 9333 9455 13535 14415 15555 16337 17019 23715 24363 28365 32147 40605 43245 46019 46665 49011 58621 81685 83917 85095 96441 121815 138057 147033 160735 165127 175863 230095 245055 251751 289323 293105 414171 419585 482205 495381 527589 690285 735165 755253 825635 879315 996557 1258755 1426589 1446615 1486143 2070855 2476905 2601427 2637945 2807159 2989671 3776265 4279767 4982785 5118937 7132945 7430715 7804281 8421477 8969013 12839301 13007135 14035795 14948355 15356811 21398835 23412843 25264431 25594685 39021405 42107385 44224259 44845065 46070433 64196505 76784055 87021929 117064215 126322155 132672777 158687047 221121295 230352165 261065787 398018331 435109645 476061141 663363885 783197361 793435235 1305328935 1428183423 1990091655 2380305705 2697679799 3915986805 7140917115 8093039397 13488398995 24279118191 40465196985 121395590955
• Sum of all divisors σ(n): 234075902112
• Sum of proper divisors (its aliquot sum) s(n): 112680311157
• 121395590955 is a deficient number, because the sum of its proper divisors (112680311157) is less than itself. Its deficiency is 8715279798

Bases of 121395590955

• Binary: 1110001000011101111011011011100101011₂
• Hexadecimal: 0x1C43BDB72B
• Base-36: 1JRNSTGR

Squares and roots of 121395590955

• 121395590955 squared (121395590955²) is 14736889503313677812025
• 121395590955 cubed (121395590955³) is 1788993410093300348725246280233875
• The square root of 121395590955 is 348418.7006390443
• The cube root of 121395590955 is 4951.4717380747

Scales and comparisons

• 121,395,590,955 seconds is equal to 3,860 years, 1 day, 13 hours, 29 minutes, 15 seconds.
• To count from 1 to 121,395,590,955 would take you about seven thousand, seven hundred twenty 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 121395590955 cubic inches would be around 412.6 feet tall.

Recreational maths with 121395590955

• 121395590955 backwards is 559095593121
• The number of decimal digits it has is: 12
• The sum of 121395590955's digits is 54
• More coming soon!