400405068

Names of 400405068

• Cardinal: 400405068 can be written as Four hundred million, four hundred five thousand and sixty-eight.

Scientific notation

• Scientific notation: 4.00405068 × 10⁸

Factors of 400405068

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 245

Divisors of 400405068

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 23 28 36 42 46 49 63 69 71 84 92 98 126 138 139 142 147 161 196 207 213 252 276 278 284 294 322 414 417 426 441 483 497 556 588 639 644 828 834 852 882 966 973 994 1127 1251 1278 1449 1491 1633 1668 1764 1932 1946 1988 2254 2502 2556 2898 2919 2982 3197 3266 3381 3479 3892 4473 4508 4899 5004 5796 5838 5964 6394 6532 6762 6811 6958 8757 8946 9591 9798 9869 10143 10437 11431 11676 12788 13524 13622 13916 14697 17514 17892 19182 19596 19738 20286 20433 20874 22379 22862 27244 28773 29394 29607 31311 34293 35028 38364 39476 40572 40866 41748 44758 45724 57546 58788 59214 61299 62622 67137 68586 69083 80017 81732 88821 89516 102879 115092 118428 122598 125244 134274 137172 138166 156653 160034 177642 201411 205758 207249 226987 240051 245196 268548 276332 313306 320068 355284 402822 411516 414498 453974 469959 480102 483581 621747 626612 680961 720153 805644 828996 907948 939918 960204 967162 1243494 1361922 1409877 1440306 1450743 1588909 1879836 1934324 2042883 2486988 2723844 2819754 2880612 2901486 3177818 4085766 4352229 4766727 5639508 5802972 6355636 8171532 8704458 9533454 11122363 14300181 17408916 19066908 22244726 28600362 33367089 44489452 57200724 66734178 100101267 133468356 200202534 400405068
• Sum of all divisors σ(n): 1254839040
• Sum of proper divisors (its aliquot sum) s(n): 854433972
• 400405068 is an abundant number, because the sum of its proper divisors (854433972) is greater than itself. Its abundance is 454028904

Bases of 400405068

• Binary: 10111110111011011001001001100₂
• Hexadecimal: 0x17DDB24C
• Base-36: 6ME2J0

Squares and roots of 400405068

• 400405068 squared (400405068²) is 160324218480084624
• 400405068 cubed (400405068³) is 64194629602565140518474432
• The square root of 400405068 is 20010.1241375459
• The cube root of 400405068 is 737.0549296987

Scales and comparisons

• 400,405,068 seconds is equal to 12 years, 38 weeks, 7 hours, 37 minutes, 48 seconds.
• To count from 1 to 400,405,068 would take you about nineteen 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 400405068 cubic inches would be around 61.4 feet tall.

Recreational maths with 400405068

• 400405068 backwards is 860504004
• The number of decimal digits it has is: 9
• The sum of 400405068's digits is 27
• More coming soon!