400655511906

Names of 400655511906

• Cardinal: 400655511906 can be written as Four hundred billion, six hundred fifty-five million, five hundred eleven thousand, nine hundred six.

Scientific notation

• Scientific notation: 4.00655511906 × 10¹¹

Factors of 400655511906

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6477518

Divisors of 400655511906

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 13 26 39 61 78 122 169 183 338 366 507 793 1014 1586 2379 4758 10309 20618 30927 61854 6477439 12954878 19432317 38864634 84206707 168413414 252620121 395123779 505240242 790247558 1094687191 1185371337 2189374382 2370742674 3284061573 5136609127 6568123146 10273218254 15409827381 30819654762 66775918651 133551837302 200327755953 400655511906
• Sum of all divisors σ(n): 881916410880
• Sum of proper divisors (its aliquot sum) s(n): 481260898974
• 400655511906 is an abundant number, because the sum of its proper divisors (481260898974) is greater than itself. Its abundance is 80605387068

Bases of 400655511906

• Binary: 101110101001000111011011111000101100010₂
• Hexadecimal: 0x5D48EDF162
• Base-36: 5423Y3J6

Squares and roots of 400655511906

• 400655511906 squared (400655511906²) is 160524839220658907752836
• 400655511906 cubed (400655511906³) is 64315161631581440776331339703265416
• The square root of 400655511906 is 632973.5475562939
• The cube root of 400655511906 is 7372.0856781667

Scales and comparisons

• 400,655,511,906 seconds is equal to 12,739 years, 31 weeks, 3 days, 13 hours, 45 minutes, 6 seconds.
• To count from 1 to 400,655,511,906 would take you about twenty-five thousand, four 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 400655511906 cubic inches would be around 614.3 feet tall.

Recreational maths with 400655511906

• 400655511906 backwards is 609115556004
• The number of decimal digits it has is: 12
• The sum of 400655511906's digits is 42
• More coming soon!