18181538103459072

Names of 18181538103459072

• Cardinal: 18181538103459072 can be written as Eighteen quadrillion, one hundred eighty-one trillion, five hundred thirty-eight billion, one hundred three million, four hundred fifty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8181538103459072 × 10¹⁶

Factors of 18181538103459072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 524

Divisors of 18181538103459072

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 43 48 64 86 96 103 128 129 172 192 206 256 258 309 344 373 384 412 516 618 688 746 768 824 1032 1119 1236 1376 1492 1648 2064 2238 2472 2752 2984 3296 4128 4429 4476 4944 5504 5968 6592 8256 8858 8952 9888 10609 11008 11936 13184 13287 16039 16512 17716 17904 19776 21218 23872 26368 26574 31827 32078 33024 35432 35808 38419 39552 42436 47744 48117 53148 63654 64156 70864 71616 76838 79104 84872 95488 96234 106296 115257 127308 128312 139129 141728 143232 153676 169744 192468 212592 230514 254616 256624 278258 283456 286464 307352 339488 384936 417387 425184 456187 461028 509232 513248 556516 566912 614704 678976 769872 834774 850368 912374 922056 1018464 1026496 1113032 1133824 1229408 1357952 1368561 1539744 1652017 1669548 1700736 1824748 1844112 2036928 2052992 2226064 2458816 2715904 2737122 3079488 3304034 3339096 3401472 3649496 3688224 3957157 4073856 4105984 4452128 4917632 4956051 5474244 5982547 6158976 6608068 6678192 7298992 7376448 7914314 8147712 8904256 9835264 9912102 10948488 11871471 11965094 12317952 13216136 13356384 14330287 14597984 14752896 15828628 17808512 17947641 19824204 21896976 23742942 23930188 26432272 26712768 28660574 29195968 29505792 31657256 35617024 35895282 39648408 42990861 43793952 47485884 47860376 51895117 52864544 53425536 57321148 58391936 63314512 71790564 79296816 85981722 87587904 94971768 95720752 103790234 105729088 106851072 114642296 116783872 126629024 143581128 155685351 158593632 170157751 171963444 175175808 189943536 191441504 207580468 211458176 229284592 253258048 287162256 311370702 317187264 340315502 343926888 350351616 379887072 382883008 415160936 422916352 458569184 506516096 510473253 574324512 616202341 622741404 634374528 680631004 687853776 759774144 765766016 830321872 917138368 1013032192 1020946506 1148649024 1232404682 1245482808 1268749056 1361262008 1375707552 1476019561 1519548288 1531532032 1660643744 1834276736 1848607023 2041893012 2231490031 2297298048 2464809364 2490965616 2722524016 2751415104 2952039122 3039096576 3321287488 3668553472 3697214046 4083786024 4428058683 4462980062 4594596096 4929618728 4981931232 5345197051 5445048032 5502830208 5904078244 6642574976 6694470093 7394428092 8167572048 8856117366 8925960124 9859237456 9963862464 10690394102 10890096064 11005660416 11808156488 13285149952 13388940186 14788856184 16035591153 16335144096 17712234732 17851920248 19718474912 19927724928 21380788204 21780192128 23616312976 26777880372 29577712368 32071182306 32670288192 35424469464 35703840496 39436949824 39855449856 42761576408 43560384256 47232625952 53555760744 59155424736 63468841123 64142364612 65340576384 70848938928 71407680992 78873899648 85523152816 94465251904 107111521488 118310849472 126937682246 128284729224 130681152768 141697877856 142815361984 157747799296 171046305632 188930503808 190406523369 214223042976 229843473193 236621698944 253875364492 256569458448 283395755712 285630723968 342092611264 377861007616 380813046738 428446085952 459686946386 473243397888 507750728984 513138916896 550555296253 566791511424 571261447936 684185222528 689530419579 761626093476 856892171904 919373892772 1015501457968 1026277833792 1101110592506 1133583022848 1368370445056 1379060839158 1523252186952 1651665888759 1713784343808 1838747785544 2031002915936 2052555667584 2202221185012 2758121678316 3046504373904 3303331777518 3677495571088 4062005831872 4105111335168 4404442370024 5516243356632 6093008747808 6606663555036 7354991142176 8124011663744 8808884740048 11032486713264 12186017495616 13213327110072 14709982284352 16248023327488 17617769480096 22064973426528 23673877738879 24372034991232 26426654220144 29419964568704 35235538960192 44129946853056 47347755477758 48744069982464 52853308440288 58839929137408 70471077920384 71021633216637 88259893706112 94695510955516 105706616880576 140942155840768 142043266433274 176519787412224 189391021911032 211413233761152 284086532866548 378782043822064 422826467522304 568173065733096 757564087644128 1136346131466192 1515128175288256 2272692262932384 3030256350576512 4545384525864768 6060512701153024 9090769051729536 18181538103459072
• Sum of all divisors σ(n): 50134542964820160
• Sum of proper divisors (its aliquot sum) s(n): 31953004861361088
• 18181538103459072 is an abundant number, because the sum of its proper divisors (31953004861361088) is greater than itself. Its abundance is 13771466757902016

Bases of 18181538103459072

• Binary: 1000000100110000000001100111000001000000111110100000000₂
• Hexadecimal: 0x40980338207D00
• Base-36: 4Z0TFAPEADC

Squares and roots of 18181538103459072

• 18181538103459072 squared (18181538103459072²) is 330568327807534108729251579101184
• 18181538103459072 cubed (18181538103459072³) is 6010240647829430511716292794463650369335090741248
• The square root of 18181538103459072 is 134838933.9302972685
• The cube root of 18181538103459072 is 262952.2392198159

Scales and comparisons

• 18,181,538,103,459,072 seconds is equal to 578,116,672 years, 26 weeks, 51 minutes, 12 seconds.
• To count from 1 to 18,181,538,103,459,072 would take you about one billion, seven hundred thirty-four million, three hundred fifty thousand and 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 18181538103459072 cubic inches would be around 21912.7 feet tall.

Recreational maths with 18181538103459072

• 18181538103459072 backwards is 27095430183518181
• The number of decimal digits it has is: 17
• The sum of 18181538103459072's digits is 66
• More coming soon!