18138606808973292

Names of 18138606808973292

• Cardinal: 18138606808973292 can be written as Eighteen quadrillion, one hundred thirty-eight trillion, six hundred six billion, eight hundred eight million, nine hundred seventy-three thousand, two hundred ninety-two.

Scientific notation

• Scientific notation: 1.8138606808973292 × 10¹⁶

Factors of 18138606808973292

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 37679823

Divisors of 18138606808973292

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 71 81 102 108 142 153 162 204 213 284 306 324 426 459 612 639 852 918 1207 1231 1278 1377 1836 1917 2414 2462 2556 2754 3621 3693 3834 4828 4924 5508 5751 7242 7386 7668 10863 11079 11502 14484 14772 20927 21726 22158 23004 32589 33237 41854 43452 44316 62781 65178 66474 83708 87401 97767 99711 125562 130356 132948 174802 188343 195534 199422 251124 262203 349604 376686 391068 398844 524406 565029 753372 786609 1048812 1130058 1485817 1573218 1695087 2260116 2359827 2971634 3146436 3390174 4457451 4719654 5943268 6780348 7079481 8914902 9439308 13372353 14158962 17829804 26744706 28317924 37678499 40117059 53489412 75356998 80234118 113035497 120351177 150713996 160468236 226070994 240702354 339106491 452141988 481404708 640534483 678212982 1017319473 1281068966 1356425964 1921603449 2034638946 2562137932 2675173429 3051958419 3843206898 4069277892 5350346858 5764810347 6103916838 7686413796 8025520287 10700693716 11529620694 12207833676 16051040574 17294431041 23059241388 24076560861 32102081148 34588862082 45477948293 46382232269 48153121722 51883293123 69177724164 72229682583 90955896586 92764464538 96306243444 103766586246 136433844879 139146696807 144459365166 181911793172 185528929076 207533172492 216689047749 272867689758 278293393614 288918730332 409301534637 417440090421 433378095498 545735379516 556586787228 788497948573 818603069274 834880180842 866756190996 1227904603911 1252320271263 1576995897146 1637206138548 1669760361684 2365493845719 2455809207822 2504640542526 3153991794292 3293138491099 3683713811733 3756960813789 4730987691438 4911618415644 5009281085052 6586276982198 7096481537157 7367427623466 7513921627578 9461975382876 9879415473297 13172553964396 14192963074314 14734855246932 15027843255156 19758830946594 21289444611471 28385926148628 29638246419891 39517661893188 42578889222942 55983354348683 59276492839782 63868333834413 85157778445884 88914739259673 111966708697366 118552985679564 127736667668826 167950063046049 177829478519346 223933417394732 255473335337652 266744217779019 335900126092098 355658957038692 503850189138147 533488435558038 671800252184196 1007700378276294 1066976871116076 1511550567414441 2015400756552588 3023101134828882 4534651702243323 6046202269657764 9069303404486646 18138606808973292
• Sum of all divisors σ(n): 50955694441344000
• Sum of proper divisors (its aliquot sum) s(n): 32817087632370708
• 18138606808973292 is an abundant number, because the sum of its proper divisors (32817087632370708) is greater than itself. Its abundance is 14678480823397416

Bases of 18138606808973292

• Binary: 1000000011100001111011101111111100100011011111111101100₂
• Hexadecimal: 0x4070F77F91BFEC
• Base-36: 4YLLKXL42R0

Squares and roots of 18138606808973292

• 18138606808973292 squared (18138606808973292²) is 329009056970532270659691169317264
• 18138606808973292 cubed (18138606808973292³) is 5967765920979578383048536189730517639900450513088
• The square root of 18138606808973292 is 134679645.1174909059
• The cube root of 18138606808973292 is 262745.1101172911

Scales and comparisons

• 18,138,606,808,973,292 seconds is equal to 576,751,590 years, 6 weeks, 5 days, 13 hours, 28 minutes, 12 seconds.
• To count from 1 to 18,138,606,808,973,292 would take you about one billion, seven hundred thirty million, two hundred fifty-four thousand, seven hundred seventy 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 18138606808973292 cubic inches would be around 21895.4 feet tall.

Recreational maths with 18138606808973292

• 18138606808973292 backwards is 29237980860683181
• 18138606808973292 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18138606808973292's digits is 81
• More coming soon!