1638317083221

Names of 1638317083221

• Cardinal: 1638317083221 can be written as One trillion, six hundred thirty-eight billion, three hundred seventeen million, eighty-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.638317083221 × 10¹²

Factors of 1638317083221

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1602863

Divisors of 1638317083221

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 9 13 21 39 63 91 117 273 819 1249 3747 8743 11241 16237 26229 48711 78687 113659 146133 340977 1022931 1601591 4804773 11211137 14414319 20820683 33633411 62462049 100900233 145744781 187386147 437234343 1311703029 2000387159 6001161477 14002710113 18003484431 26005033067 42008130339 78015099201 126024391017 182035231469 234045297603 546105694407 1638317083221
• Sum of all divisors σ(n): 2914897440000
• Sum of proper divisors (its aliquot sum) s(n): 1276580356779
• 1638317083221 is a deficient number, because the sum of its proper divisors (1276580356779) is less than itself. Its deficiency is 361736726442

Bases of 1638317083221

• Binary: 10111110101110011010011101100101001010101₂
• Hexadecimal: 0x17D734ECA55
• Base-36: KWMROVV9

Squares and roots of 1638317083221

• 1638317083221 squared (1638317083221²) is 2684082865173765039734841
• 1638317083221 cubed (1638317083221³) is 4397378810794947341229165874370202861
• The square root of 1638317083221 is 1279967.6102233995
• The cube root of 1638317083221 is 11788.7019198817

Scales and comparisons

• 1,638,317,083,221 seconds is equal to 52,093 years, 21 weeks, 4 days, 6 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,638,317,083,221 would take you about one hundred thirty thousand, two hundred thirty-three 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 1638317083221 cubic inches would be around 982.4 feet tall.

Recreational maths with 1638317083221

• 1638317083221 backwards is 1223807138361
• The number of decimal digits it has is: 13
• The sum of 1638317083221's digits is 45
• More coming soon!