221338208041811378

Names of 221338208041811378

• Cardinal: 221338208041811378 can be written as Two hundred twenty-one quadrillion, three hundred thirty-eight trillion, two hundred eight billion, forty-one million, eight hundred eleven thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 2.21338208041811378 × 10¹⁷

Factors of 221338208041811378

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1433741917537

Divisors of 221338208041811378

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 7 14 11027 22054 77189 154378 1433741906501 2867483813002 10036193345507 20072386691014 15809872002986527 31619744005973054 110669104020905689 221338208041811378
• Sum of all divisors σ(n): 379471337877697344
• Sum of proper divisors (its aliquot sum) s(n): 158133129835885966
• 221338208041811378 is a deficient number, because the sum of its proper divisors (158133129835885966) is less than itself. Its deficiency is 63205078205925412

Bases of 221338208041811378

• Binary: 1100010010010110011110110101110001100011011011110110110010₂
• Hexadecimal: 0x31259ED718DBDB2
• Base-36: 1OJDUH1OWXIQ

Squares and roots of 221338208041811378

• 221338208041811378 squared (221338208041811378²) is 48990602339160174962809439330258884
• 221338208041811378 cubed (221338208041811378³) is 10843492132638685944085018224760382970445393036782152
• The square root of 221338208041811378 is 470465947.8026134231
• The cube root of 221338208041811378 is 604902.6166975559

Scales and comparisons

• 221,338,208,041,811,378 seconds is equal to 7,037,870,371 years, 36 weeks, 2 days, 17 hours, 49 minutes, 38 seconds.
• To count from 1 to 221,338,208,041,811,378 would take you about twenty-one billion, one hundred thirteen million, six hundred eleven thousand, one hundred fifteen 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 221338208041811378 cubic inches would be around 50408.6 feet tall.

Recreational maths with 221338208041811378

• 221338208041811378 backwards is 873118140802833122
• The number of decimal digits it has is: 18
• The sum of 221338208041811378's digits is 62
• More coming soon!