400427121457103218

Names of 400427121457103218

• Cardinal: 400427121457103218 can be written as Four hundred quadrillion, four hundred twenty-seven trillion, one hundred twenty-one billion, four hundred fifty-seven million, one hundred three thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 4.00427121457103218 × 10¹⁷

Factors of 400427121457103218

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 686160129

Divisors of 400427121457103218

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 103 206 2844691 5689382 293003173 586006346 683315333 1366630666 70381479299 140762958598 1943820977947103 3887641955894206 200213560728551609 400427121457103218
• Sum of all divisors σ(n): 606472359201423936
• Sum of proper divisors (its aliquot sum) s(n): 206045237744320718
• 400427121457103218 is a deficient number, because the sum of its proper divisors (206045237744320718) is less than itself. Its deficiency is 194381883712782500

Bases of 400427121457103218

• Binary: 10110001110100110100101100001101100111000100000000101110010₂
• Hexadecimal: 0x58E9A586CE20172
• Base-36: 31IRKG35NSKY

Squares and roots of 400427121457103218

• 400427121457103218 squared (400427121457103218²) is 160341879598421692376094107905955524
• 400427121457103218 cubed (400427121457103218³) is 64205237296617423566714116159963792224017915385276232
• The square root of 400427121457103218 is 632793111.1011743765
• The cube root of 400427121457103218 is 737068.4612548153

Scales and comparisons

• 400,427,121,457,103,218 seconds is equal to 12,732,343,859 years, 48 weeks, 18 hours, 26 minutes, 58 seconds.
• To count from 1 to 400,427,121,457,103,218 would take you about thirty-eight billion, one hundred ninety-seven million, thirty-one thousand, five hundred seventy-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 400427121457103218 cubic inches would be around 61422.4 feet tall.

Recreational maths with 400427121457103218

• 400427121457103218 backwards is 812301754121724004
• The number of decimal digits it has is: 18
• The sum of 400427121457103218's digits is 52
• More coming soon!