421697378200493381

Names of 421697378200493381

• Cardinal: 421697378200493381 can be written as Four hundred twenty-one quadrillion, six hundred ninety-seven trillion, three hundred seventy-eight billion, two hundred million, four hundred ninety-three thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 4.21697378200493381 × 10¹⁷

Factors of 421697378200493381

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 315036884

Divisors of 421697378200493381

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 29 203 6738031 47166217 195402899 308298817 1367820293 2158091719 8940665693 62584659851 2077326986209327 14541288903465289 60242482600070483 421697378200493381
• Sum of all divisors σ(n): 498558552299082240
• Sum of proper divisors (its aliquot sum) s(n): 76861174098588859
• 421697378200493381 is a deficient number, because the sum of its proper divisors (76861174098588859) is less than itself. Its deficiency is 344836204101904522

Bases of 421697378200493381

• Binary: 10111011010001010111000011111111110010110101001110101000101₂
• Hexadecimal: 0x5DA2B87FE5A9D45
• Base-36: 37C78T50X5C5

Squares and roots of 421697378200493381

• 421697378200493381 squared (421697378200493381²) is 177828678781169950188307631824811161
• 421697378200493381 cubed (421697378200493381³) is 74989887610877076814399657046767605711495447355425341
• The square root of 421697378200493381 is 649382305.1180971171
• The cube root of 421697378200493381 is 749894.7278617233

Scales and comparisons

• 421,697,378,200,493,381 seconds is equal to 13,408,672,231 years, 7 weeks, 2 days, 8 hours, 9 minutes, 41 seconds.
• To count from 1 to 421,697,378,200,493,381 would take you about forty billion, two hundred twenty-six million, sixteen thousand, six hundred ninety-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 421697378200493381 cubic inches would be around 62491.2 feet tall.

Recreational maths with 421697378200493381

• 421697378200493381 backwards is 183394002873796124
• The number of decimal digits it has is: 18
• The sum of 421697378200493381's digits is 77
• More coming soon!