405005143829

Names of 405005143829

• Cardinal: 405005143829 can be written as Four hundred five billion, five million, one hundred forty-three thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 4.05005143829 × 10¹¹

Factors of 405005143829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 296

Divisors of 405005143829

• Number of divisors d(n): 72
• Complete list of divisors:
  1 11 13 31 121 143 169 241 341 403 1331 1573 1859 2651 3133 3751 4433 5239 7471 17303 20449 29161 34463 40729 41261 48763 57629 58081 82181 97123 224939 320771 379093 448019 536393 633919 638891 755053 903991 1068353 1262599 1800511 4170023 4928209 6973109 7027801 8305583 9815689 9943901 11751883 13888589 19805621 23406643 54210299 77305811 91361413 107972579 129270713 152774479 217861831 257473073 304286359 1004975543 1187698369 1680519269 2396480141 2832203803 3347149949 13064682059 31154241833 36818649439 405005143829
• Sum of all divisors σ(n): 500013810432
• Sum of proper divisors (its aliquot sum) s(n): 95008666603
• 405005143829 is a deficient number, because the sum of its proper divisors (95008666603) is less than itself. Its deficiency is 309996477226

Bases of 405005143829

• Binary: 101111001001100001100000000111100010101₂
• Hexadecimal: 0x5E4C300F15
• Base-36: 5621LT05

Squares and roots of 405005143829

• 405005143829 squared (405005143829²) is 164029166527948976781241
• 405005143829 cubed (405005143829³) is 66432656181802967889659892674111789
• The square root of 405005143829 is 636400.1444288019
• The cube root of 405005143829 is 7398.6675457555

Scales and comparisons

• 405,005,143,829 seconds is equal to 12,877 years, 47 weeks, 2 days, 12 hours, 50 minutes, 29 seconds.
• To count from 1 to 405,005,143,829 would take you about twenty-five thousand, seven hundred fifty-five 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 405005143829 cubic inches would be around 616.6 feet tall.

Recreational maths with 405005143829

• 405005143829 backwards is 928341500504
• The number of decimal digits it has is: 12
• The sum of 405005143829's digits is 41
• More coming soon!