18109040838372

Names of 18109040838372

• Cardinal: 18109040838372 can be written as Eighteen trillion, one hundred nine billion, forty million, eight hundred thirty-eight thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 1.8109040838372 × 10¹³

Factors of 18109040838372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 257

Divisors of 18109040838372

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 121 132 162 198 241 242 243 297 324 363 396 482 484 486 594 723 726 891 964 972 1089 1188 1331 1446 1452 1782 2169 2178 2651 2662 2673 2892 3267 3564 3993 4338 4356 5302 5324 5346 6507 6534 7953 7986 8676 9801 10604 10692 11979 13014 13068 15906 15972 19521 19602 23859 23958 26028 29161 29403 31812 35937 39042 39204 47718 47916 58081 58322 58563 58806 71577 71874 78084 87483 95436 107811 116162 116644 117126 117612 143154 143748 174243 174966 214731 215622 232324 234252 262449 286308 320771 323433 348486 349932 429462 431244 522729 524898 638891 641542 644193 646866 696972 787347 858924 962313 1045458 1049796 1277782 1283084 1288386 1293732 1568187 1574694 1916673 1924626 2090916 2362041 2555564 2576772 2886939 3136374 3149388 3833346 3849252 4704561 4724082 5750019 5773878 6272748 7027801 7086123 7666692 8660817 9409122 9448164 11500038 11547756 13997521 14055602 14113683 14172246 17250057 17321634 18818244 21083403 23000076 25982451 27995042 28111204 28227366 28344492 34500114 34643268 41992563 42166806 51750171 51964902 55990084 56454732 63250209 69000228 77305811 77947353 83985126 84333612 103500342 103929804 125977689 126500418 153972731 154611622 155250513 155894706 167970252 189750627 207000684 231917433 251955378 253000836 307945462 309223244 310501026 311789412 377933067 379501254 461918193 463834866 503910756 569251881 615890924 621002052 695752299 755866134 759002508 923836386 927669732 1133799201 1138503762 1385754579 1391504598 1511732268 1693700041 1707755643 1847672772 2087256897 2267598402 2277007524 2771509158 2783009196 3387400082 3401397603 3415511286 4157263737 4174513794 4535196804 5081100123 5543018316 6261770691 6774800164 6802795206 6831022572 8314527474 8349027588 10162200246 12471791211 12523541382 13605590412 15243300369 16629054948 18630700451 18785312073 20324400492 24943582422 25047082764 30486600738 37261400902 37415373633 37570624146 45729901107 49887164844 55892101353 60973201476 74522801804 74830747266 75141248292 91459802214 111784202706 137189703321 149661494532 167676304059 182919604428 223568405412 274379406642 335352608118 411569109963 503028912177 548758813284 670705216236 823138219926 1006057824354 1509086736531 1646276439852 2012115648708 3018173473062 4527260209593 6036346946124 9054520419186 18109040838372
• Sum of all divisors σ(n): 52432121309568
• Sum of proper divisors (its aliquot sum) s(n): 34323080471196
• 18109040838372 is an abundant number, because the sum of its proper divisors (34323080471196) is greater than itself. Its abundance is 16214039632824

Bases of 18109040838372

• Binary: 100000111100001010110111100100100011011100100₂
• Hexadecimal: 0x107856F246E4
• Base-36: 6F36FCQ90

Squares and roots of 18109040838372

• 18109040838372 squared (18109040838372²) is 327937360085824868627610384
• 18109040838372 cubed (18109040838372³) is 5938631046222106428845308309338332854848
• The square root of 18109040838372 is 4255471.8702362491
• The cube root of 18109040838372 is 26260.2274104589

Scales and comparisons

• 18,109,040,838,372 seconds is equal to 575,811 years, 25 weeks, 1 day, 1 hour, 46 minutes, 12 seconds.
• To count from 1 to 18,109,040,838,372 would take you about one million, four hundred thirty-nine thousand, five hundred twenty-eight 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 18109040838372 cubic inches would be around 2188.4 feet tall.

Recreational maths with 18109040838372

• 18109040838372 backwards is 27383804090181
• 18109040838372 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18109040838372's digits is 54
• More coming soon!