40454938728

Names of 40454938728

• Cardinal: 40454938728 can be written as Forty billion, four hundred fifty-four million, nine hundred thirty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0454938728 × 10¹⁰

Factors of 40454938728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8328

Divisors of 40454938728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 79 81 97 108 158 162 194 216 237 291 316 324 388 474 582 632 648 711 776 873 948 1164 1422 1746 1896 2133 2328 2619 2844 3492 4266 5238 5688 6399 6984 7663 7857 8147 8532 10476 12798 15326 15714 16294 17064 20952 22989 24441 25596 30652 31428 32588 45978 48882 51192 61304 62856 65176 68967 73323 91956 97764 137934 146646 183912 195528 206901 219969 275868 293292 413802 439938 551736 586584 620703 643613 659907 790259 827604 879876 1241406 1287226 1319814 1580518 1655208 1759752 1930839 2370777 2482812 2574452 2639628 3161036 3861678 4741554 4965624 5148904 5279256 5792517 6322072 7112331 7723356 9483108 11585034 14224662 15446712 17377551 18966216 21336993 23170068 28449324 34755102 42673986 46340136 52132653 56898648 62430461 64010979 69510204 85347972 104265306 124860922 128021958 139020408 170695944 187291383 208530612 249721844 256043916 374582766 417061224 499443688 512087832 561874149 749165532 1123748298 1498331064 1685622447 2247496596 3371244894 4494993192 5056867341 6742489788 10113734682 13484979576 20227469364 40454938728
• Sum of all divisors σ(n): 115942780800
• Sum of proper divisors (its aliquot sum) s(n): 75487842072
• 40454938728 is an abundant number, because the sum of its proper divisors (75487842072) is greater than itself. Its abundance is 35032903344

Bases of 40454938728

• Binary: 100101101011010011010110000001101000₂
• Hexadecimal: 0x96B4D6068
• Base-36: IL1TQI0

Squares and roots of 40454938728

• 40454938728 squared (40454938728²) is 1636602067486234257984
• 40454938728 cubed (40454938728³) is 66208636362273727890197264804352
• The square root of 40454938728 is 201134.1311861317
• The cube root of 40454938728 is 3432.8686184689

Scales and comparisons

• 40,454,938,728 seconds is equal to 1,286 years, 17 weeks, 5 days, 10 hours, 58 minutes, 48 seconds.
• To count from 1 to 40,454,938,728 would take you about two thousand, five hundred seventy-two 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 40454938728 cubic inches would be around 286.1 feet tall.

Recreational maths with 40454938728

• 40454938728 backwards is 82783945404
• 40454938728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40454938728's digits is 54
• More coming soon!