138197795056217991613

Names of 138197795056217991613

• Cardinal: 138197795056217991613 can be written as One hundred thirty-eight quintillion, one hundred ninety-seven quadrillion, seven hundred ninety-five trillion, fifty-six billion, two hundred seventeen million, nine hundred ninety-one thousand, six hundred thirteen.

Scientific notation

• Scientific notation: 1.38197795056217991613 × 10²⁰

Factors of 138197795056217991613

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 13882

Divisors of 138197795056217991613

• Number of divisors d(n): 12
• Complete list of divisors:
  1 383 13499 146689 5170117 56181887 182223001 1980154811 69791409383 758399292613 26730109793689 10237632050982887
• Sum of all divisors σ(n): 138197822616742377686
• Sum of proper divisors (its aliquot sum) s(n): 27560524386073
• 138197795056217991613 is a deficient number, because the sum of its proper divisors (27560524386073) is less than itself. Its deficiency is 138197767495693605540

Bases of 138197795056217991613

• Binary: 1110111110111100001001100100110011001111100000110111010100110111101₂
• Hexadecimal: 0x77DE132667C1BA9BD
• Base-36: T5YMTS63QQPJ1

Squares and roots of 138197795056217991613

• 138197795056217991613 squared (138197795056217991613²) is 19098630558400429963650649250999338341769
• 138197795056217991613 cubed (138197795056217991613³) is 2639388631764244800580390755198616199746117734121118969583397
• The square root of 138197795056217991613 is 11755755826.6671221131
• 138197795056217991613 is a perfect cube number. Its cube root is 5170117

Scales and comparisons

• 138,197,795,056,217,991,613 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 138,197,795,056,217,991,613 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 138197795056217991613 cubic inches would be around 430843.1 feet tall.

Recreational maths with 138197795056217991613

• 138197795056217991613 backwards is 316199712650597791831
• The number of decimal digits it has is: 21
• The sum of 138197795056217991613's digits is 100
• More coming soon!