42185728242

Names of 42185728242

• Cardinal: 42185728242 can be written as Forty-two billion, one hundred eighty-five million, seven hundred twenty-eight thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 4.2185728242 × 10¹⁰

Factors of 42185728242

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 233

Divisors of 42185728242

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 34 42 47 51 63 94 102 119 126 141 153 157 238 282 289 306 314 329 357 423 471 578 658 714 799 846 867 942 987 1071 1099 1413 1598 1734 1974 2023 2142 2198 2397 2601 2669 2826 2961 3297 4046 4794 5202 5338 5593 5922 6069 6594 7191 7379 8007 9891 11186 12138 13583 14382 14758 16014 16779 18207 18683 19782 22137 24021 24649 27166 33558 36414 37366 40749 44274 45373 48042 49298 50337 51653 56049 66411 73947 81498 90746 95081 100674 103306 112098 122247 125443 132822 136119 147894 154959 168147 172543 190162 221841 244494 250886 272238 285243 309918 317611 336294 345086 376329 408357 419033 443682 464877 517629 570486 635222 752658 816714 838066 855729 878101 929754 952833 1035258 1128987 1158503 1257099 1552887 1711458 1756202 1905666 2132531 2257974 2317006 2514198 2634303 2858499 2933231 3105774 3475509 3771297 4265062 5268606 5716998 5866462 6397593 6951018 7123561 7542594 7902909 8109521 8799693 10426527 12795186 14247122 14927717 15805818 16219042 17599386 19192779 19694551 20853054 21370683 24328563 26399079 29855434 38385558 39389102 42741366 44783151 48657126 49864927 52798158 59083653 64112049 72985689 89566302 99729854 118167306 128224098 134349453 137861857 145971378 149594781 177250959 268698906 275723714 299189562 334807367 354501918 413585571 448784343 669614734 827171142 897568686 1004422101 1240756713 2008844202 2343651569 2481513426 3013266303 4687303138 6026532606 7030954707 14061909414 21092864121 42185728242
• Sum of all divisors σ(n): 114053457024
• Sum of proper divisors (its aliquot sum) s(n): 71867728782
• 42185728242 is an abundant number, because the sum of its proper divisors (71867728782) is greater than itself. Its abundance is 29682000540

Bases of 42185728242

• Binary: 100111010010011101110010000011110010₂
• Hexadecimal: 0x9D27720F2
• Base-36: JDOAK8I

Squares and roots of 42185728242

• 42185728242 squared (42185728242²) is 1779635667307876410564
• 42185728242 cubed (42185728242³) is 75075226630820398002175321948488
• The square root of 42185728242 is 205391.6459888279
• The cube root of 42185728242 is 3481.1428910629

Scales and comparisons

• 42,185,728,242 seconds is equal to 1,341 years, 19 weeks, 3 days, 17 hours, 50 minutes, 42 seconds.
• To count from 1 to 42,185,728,242 would take you about two thousand, six hundred eighty-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 42185728242 cubic inches would be around 290.1 feet tall.

Recreational maths with 42185728242

• 42185728242 backwards is 24282758124
• The number of decimal digits it has is: 11
• The sum of 42185728242's digits is 45
• More coming soon!