121857139403997016679

Names of 121857139403997016679

• Cardinal: 121857139403997016679 can be written as One hundred twenty-one quintillion, eight hundred fifty-seven quadrillion, one hundred thirty-nine trillion, four hundred three billion, nine hundred ninety-seven million, sixteen thousand, six hundred seventy-nine.

Scientific notation

• Scientific notation: 1.21857139403997016679 × 10²⁰

Factors of 121857139403997016679

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6611940

Divisors of 121857139403997016679

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 67 83 737 913 5561 12049 25147 61171 132539 276617 807283 1000067 1684849 2087201 6574583 8880113 11000737 18533339 22959211 67004489 72320413 139842467 302996203 440497061 545690389 737049379 1538267137 3332958233 4845467671 6002594279 20300745601 25148684849 36561256063 79217150567 165331038701 223308201611 276635533339 402173816693 871388656237 1684961884883 1818641425711 5307549087989 6575023497061 11077179592967 13722476212183 18534580733713 58383039967879 72325258467671 121848975522637 150947238334013 440526574303087 919405906216261 1992073685308349 4845792317333957 10113464968378871 21912810538391839 133468936915659383 165342115880592967 1468158306072253213 1818763274686522637 11077921763999728789 121857139403997016679
• Sum of all divisors σ(n): 136561482218630246400
• Sum of proper divisors (its aliquot sum) s(n): 14704342814633229721
• 121857139403997016679 is a deficient number, because the sum of its proper divisors (14704342814633229721) is less than itself. Its deficiency is 107152796589363786958

Bases of 121857139403997016679

• Binary: 1101001101100011011100001101010100101000000011111110111001001100111₂
• Hexadecimal: 0x69B1B86A9407F7267
• Base-36: PPTA6SFY4MRTZ

Squares and roots of 121857139403997016679

• 121857139403997016679 squared (121857139403997016679²) is 14849162423725162397290032247532204189041
• 121857139403997016679 cubed (121857139403997016679³) is 1809476455500471331411019181231978995147067166048630546014839
• The square root of 121857139403997016679 is 11038892127.5641160547
• The cube root of 121857139403997016679 is 4957738.9999999327

Scales and comparisons

• 121,857,139,403,997,016,679 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,857,139,403,997,016,679 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121857139403997016679 cubic inches would be around 413144.9 feet tall.

Recreational maths with 121857139403997016679

• 121857139403997016679 backwards is 976610799304931758121
• The number of decimal digits it has is: 21
• The sum of 121857139403997016679's digits is 98
• More coming soon!