40566390921

Names of 40566390921

• Cardinal: 40566390921 can be written as Forty billion, five hundred sixty-six million, three hundred ninety thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 4.0566390921 × 10¹⁰

Factors of 40566390921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 172

Divisors of 40566390921

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 21 23 27 49 63 69 81 139 147 161 189 207 417 441 483 529 567 621 973 1127 1251 1323 1449 1587 1863 2919 3197 3381 3703 3753 3969 4347 4761 6811 8757 9591 10143 11109 11259 13041 14283 19321 20433 22379 25921 26271 28773 30429 33327 42849 57963 61299 67137 73531 77763 78813 86319 91287 99981 135247 156653 173889 183897 201411 220593 233289 258957 299943 405741 444383 469959 514717 521667 551691 604233 661779 699867 946729 1217223 1333149 1409877 1544151 1565001 1812699 1985337 2099601 2840187 3110681 3603019 3651669 3999447 4229631 4632453 5956011 8520561 9332043 10220809 10809057 10955007 11998341 12688893 13897359 21774767 25561683 27996129 30662427 32427171 35995023 41692077 65324301 71545663 76685049 83988387 91987281 97281513 195972903 214636989 251965161 275961843 291844539 500819641 587918709 643910967 827885529 1502458923 1763756127 1931732901 4507376769 5795198703 13522130307 40566390921
• Sum of all divisors σ(n): 74225051901
• Sum of proper divisors (its aliquot sum) s(n): 33658660980
• 40566390921 is a deficient number, because the sum of its proper divisors (33658660980) is less than itself. Its deficiency is 6907729941

Bases of 40566390921

• Binary: 100101110001111100100000000010001001₂
• Hexadecimal: 0x971F20089
• Base-36: IMW6JK9

Squares and roots of 40566390921

• 40566390921 squared (40566390921²) is 1645632072355391228241
• 40566390921 cubed (40566390921³) is 66757353959304157806718741199961
• 40566390921 is a perfect square number. Its square root is 201411
• The cube root of 40566390921 is 3436.0182126697

Scales and comparisons

• 40,566,390,921 seconds is equal to 1,289 years, 46 weeks, 9 hours, 55 minutes, 21 seconds.
• To count from 1 to 40,566,390,921 would take you about two 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 40566390921 cubic inches would be around 286.3 feet tall.

Recreational maths with 40566390921

• 40566390921 backwards is 12909366504
• The number of decimal digits it has is: 11
• The sum of 40566390921's digits is 45
• More coming soon!