40255078123728

Names of 40255078123728

• Cardinal: 40255078123728 can be written as Forty trillion, two hundred fifty-five billion, seventy-eight million, one hundred twenty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.0255078123728 × 10¹³

Factors of 40255078123728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1264928332

Divisors of 40255078123728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 34 36 39 48 51 52 68 72 78 102 104 117 136 144 153 156 204 208 221 234 272 306 312 408 442 468 612 624 663 816 884 936 1224 1326 1768 1872 1989 2448 2652 3536 3978 5304 7956 10608 15912 31824 1264928297 2529856594 3794784891 5059713188 7589569782 10119426376 11384354673 15179139564 16444067861 20238852752 21503781049 22768709346 30358279128 32888135722 43007562098 45537418692 49332203583 60716558256 64511343147 65776271444 86015124196 91074837384 98664407166 129022686294 131552542888 147996610749 172030248392 182149674768 193534029441 197328814332 258045372588 263105085776 279549153637 295993221498 344060496784 387068058882 394657628664 516090745176 559098307274 591986442996 774136117764 789315257328 838647460911 1032181490352 1118196614548 1183972885992 1548272235528 1677294921822 2236393229096 2367945771984 2515942382733 3096544471056 3354589843644 4472786458192 5031884765466 6709179687288 10063769530932 13418359374576 20127539061864 40255078123728
• Sum of all divisors σ(n): 128461058231688
• Sum of proper divisors (its aliquot sum) s(n): 88205980107960
• 40255078123728 is an abundant number, because the sum of its proper divisors (88205980107960) is greater than itself. Its abundance is 47950901984232

Bases of 40255078123728

• Binary: 1001001001110010011101101000011100100011010000₂
• Hexadecimal: 0x249C9DA1C8D0
• Base-36: E9OXE5QS0

Squares and roots of 40255078123728

• 40255078123728 squared (40255078123728²) is 1620471314747444596876617984
• 40255078123728 cubed (40255078123728³) is 65232199372418607379018638404472941924352
• The square root of 40255078123728 is 6344688.9698178271
• The cube root of 40255078123728 is 34272.0611945075

Scales and comparisons

• 40,255,078,123,728 seconds is equal to 1,279,986 years, 50 weeks, 2 days, 1 hour, 28 minutes, 48 seconds.
• To count from 1 to 40,255,078,123,728 would take you about three million, one hundred ninety-nine thousand, nine hundred sixty-seven 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 40255078123728 cubic inches would be around 2856 feet tall.

Recreational maths with 40255078123728

• 40255078123728 backwards is 82732187055204
• The number of decimal digits it has is: 14
• The sum of 40255078123728's digits is 54
• More coming soon!