121831358718972

Names of 121831358718972

• Cardinal: 121831358718972 can be written as One hundred twenty-one trillion, eight hundred thirty-one billion, three hundred fifty-eight million, seven hundred eighteen thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.21831358718972 × 10¹⁴

Factors of 121831358718972

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6789848

Divisors of 121831358718972

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 84 220789 441578 662367 883156 1324734 1545523 2649468 3091046 4636569 6182092 6569047 9273138 13138094 18546276 19707141 26276188 39414282 45983329 78828564 91966658 137949987 183933316 275899974 551799948 1450373318083 2900746636166 4351119954249 5801493272332 8702239908498 10152613226581 17404479816996 20305226453162 30457839679743 40610452906324 60915679359486 121831358718972
• Sum of all divisors σ(n): 324885144174080
• Sum of proper divisors (its aliquot sum) s(n): 203053785455108
• 121831358718972 is an abundant number, because the sum of its proper divisors (203053785455108) is greater than itself. Its abundance is 81222426736136

Bases of 121831358718972

• Binary: 11011101100111000010010110110111110001111111100₂
• Hexadecimal: 0x6ECE12DBE3FC
• Base-36: 176OJXDZWC

Squares and roots of 121831358718972

• 121831358718972 squared (121831358718972²) is 14842879967310834764872736784
• 121831358718972 cubed (121831358718972³) is 1808328233720089703375461712141353983066048
• The square root of 121831358718972 is 11037724.3451253123
• The cube root of 121831358718972 is 49573.8934760387

Scales and comparisons

• 121,831,358,718,972 seconds is equal to 3,873,860 years, 18 weeks, 4 days, 8 hours, 36 minutes, 12 seconds.
• To count from 1 to 121,831,358,718,972 would take you about nine million, six hundred eighty-four thousand, six hundred fifty 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 121831358718972 cubic inches would be around 4131.2 feet tall.

Recreational maths with 121831358718972

• 121831358718972 backwards is 279817853138121
• The number of decimal digits it has is: 15
• The sum of 121831358718972's digits is 66
• More coming soon!