138204455856364000689

Names of 138204455856364000689

• Cardinal: 138204455856364000689 can be written as One hundred thirty-eight quintillion, two hundred four quadrillion, four hundred fifty-five trillion, eight hundred fifty-six billion, three hundred sixty-four million, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.38204455856364000689 × 10²⁰

Factors of 138204455856364000689

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 54384625168

Divisors of 138204455856364000689

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 541 1623 1565813 4697439 847104833 2541314499 54383058811 163149176433 29421234816751 88263704450253 85153700466028343 255461101398085029 46068151952121333563 138204455856364000689
• Sum of all divisors σ(n): 184613340516215634624
• Sum of proper divisors (its aliquot sum) s(n): 46408884659851633935
• 138204455856364000689 is a deficient number, because the sum of its proper divisors (46408884659851633935) is less than itself. Its deficiency is 91795571196512366754

Bases of 138204455856364000689

• Binary: 1110111110111111000110111000101110011011110101110110001010110110001₂
• Hexadecimal: 0x77DF8DC5CDEBB15B1
• Base-36: T60GEU7G4WUCX

Squares and roots of 138204455856364000689

• 138204455856364000689 squared (138204455856364000689²) is 19100471618553665727045040666069592474721
• 138204455856364000689 cubed (138204455856364000689³) is 2639770286642133550369754947565659910932970590998923659082769
• The square root of 138204455856364000689 is 11756039122.7812780147
• The cube root of 138204455856364000689 is 5170200.0610522339

Scales and comparisons

• 138,204,455,856,364,000,689 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,204,455,856,364,000,689 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 138204455856364000689 cubic inches would be around 430850 feet tall.

Recreational maths with 138204455856364000689

• 138204455856364000689 backwards is 986000463658554402831
• The number of decimal digits it has is: 21
• The sum of 138204455856364000689's digits is 87
• More coming soon!