8138227818

Names of 8138227818

• Cardinal: 8138227818 can be written as Eight billion, one hundred thirty-eight million, two hundred twenty-seven thousand, eight hundred eighteen.

Scientific notation

• Scientific notation: 8.138227818 × 10⁹

Factors of 8138227818

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 338

Divisors of 8138227818

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 49 62 79 89 93 98 127 147 158 178 186 217 237 254 267 294 381 434 474 534 553 623 651 762 889 1106 1246 1302 1519 1659 1778 1869 2449 2667 2759 3038 3318 3738 3871 3937 4361 4557 4898 5334 5518 6223 7031 7347 7742 7874 8277 8722 9114 10033 11303 11613 11811 12446 13083 14062 14694 16554 17143 18669 19313 20066 21093 22606 23226 23622 26166 27559 30099 33909 34286 37338 38626 42186 49217 51429 55118 57939 60198 67818 70231 79121 82677 98434 102858 115878 120001 135191 140462 147651 158242 165354 192913 210693 217961 237363 240002 270382 295302 311023 344519 350393 360003 385826 405573 421386 435922 474726 491617 553847 578739 622046 653883 689038 700786 720006 811146 892937 933069 983234 1033557 1051179 1107694 1157478 1307766 1474851 1525727 1661541 1785874 1866138 2067114 2102358 2177161 2452751 2678811 2949702 3051454 3323082 4354322 4577181 4905502 5357622 6250559 6531483 7358253 9154362 10680089 12501118 13062966 14716506 15240127 17169257 18751677 21360178 27681047 30480254 32040267 34338514 37503354 43753913 45720381 51507771 55362094 64080534 83043141 87507826 91440762 103015542 131261739 166086282 193767329 262523478 387534658 581301987 1162603974 1356371303 2712742606 4069113909 8138227818
• Sum of all divisors σ(n): 20171980800
• Sum of proper divisors (its aliquot sum) s(n): 12033752982
• 8138227818 is an abundant number, because the sum of its proper divisors (12033752982) is greater than itself. Its abundance is 3895525164

Bases of 8138227818

• Binary: 111100101000100111000000001101010₂
• Hexadecimal: 0x1E513806A
• Base-36: 3QLAGRU

Squares and roots of 8138227818

• 8138227818 squared (8138227818²) is 66230752017669041124
• 8138227818 cubed (8138227818³) is 539000948477253817992722787432
• The square root of 8138227818 is 90212.1267790533
• The cube root of 8138227818 is 2011.4532709251

Scales and comparisons

• 8,138,227,818 seconds is equal to 258 years, 40 weeks, 10 hours, 50 minutes, 18 seconds.
• To count from 1 to 8,138,227,818 would take you about five hundred seventeen 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 8138227818 cubic inches would be around 167.6 feet tall.

Recreational maths with 8138227818

• 8138227818 backwards is 8187228318
• The number of decimal digits it has is: 10
• The sum of 8138227818's digits is 48
• More coming soon!