138271578719638747202

Names of 138271578719638747202

• Cardinal: 138271578719638747202 can be written as One hundred thirty-eight quintillion, two hundred seventy-one quadrillion, five hundred seventy-eight trillion, seven hundred nineteen billion, six hundred thirty-eight million, seven hundred forty-seven thousand, two hundred two.

Scientific notation

• Scientific notation: 1.38271578719638747202 × 10²⁰

Factors of 138271578719638747202

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 19263245851161845

Divisors of 138271578719638747202

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 37 74 97 194 3589 7178 19263245851161709 38526491702323418 712740096492983233 1425480192985966466 1868534847562685773 3737069695125371546 69135789359819373601 138271578719638747202
• Sum of all divisors σ(n): 215208982649178624120
• Sum of proper divisors (its aliquot sum) s(n): 76937403929539876918
• 138271578719638747202 is a deficient number, because the sum of its proper divisors (76937403929539876918) is less than itself. Its deficiency is 61334174790098870284

Bases of 138271578719638747202

• Binary: 1110111111011100111010101000100000001010100100001110111100001000010₂
• Hexadecimal: 0x77EE7544054877842
• Base-36: T6ITBWP55Q2IQ

Squares and roots of 138271578719638747202

• 138271578719638747202 squared (138271578719638747202²) is 19119029481621254849007175986464062828804
• 138271578719638747202 cubed (138271578719638747202³) is 2643618390011087330184397280366784408036809616627526760006408
• The square root of 138271578719638747202 is 11758893601.0000000011
• The cube root of 138271578719638747202 is 5171036.9430514343

Scales and comparisons

• 138,271,578,719,638,747,202 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,271,578,719,638,747,202 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 138271578719638747202 cubic inches would be around 430919.7 feet tall.

Recreational maths with 138271578719638747202

• 138271578719638747202 backwards is 202747836917875172831
• The number of decimal digits it has is: 21
• The sum of 138271578719638747202's digits is 98
• More coming soon!