18216355193728

Names of 18216355193728

• Cardinal: 18216355193728 can be written as Eighteen trillion, two hundred sixteen billion, three hundred fifty-five million, one hundred ninety-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8216355193728 × 10¹³

Factors of 18216355193728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1338

Divisors of 18216355193728

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 8 16 19 31 32 38 43 53 62 64 76 86 97 106 124 128 152 172 194 212 248 304 344 388 424 496 589 608 688 776 817 848 992 1007 1093 1178 1216 1333 1376 1552 1634 1643 1696 1843 1984 2014 2186 2279 2356 2432 2666 2752 3007 3104 3268 3286 3392 3686 3968 4028 4171 4372 4558 4712 5141 5332 5504 6014 6208 6536 6572 6784 7372 8056 8342 8744 9116 9424 10282 10664 12028 12416 13072 13144 14744 16112 16684 17488 18232 18848 20564 20767 21328 24056 25327 26144 26288 29488 31217 32224 33368 33883 34976 36464 37696 41128 41534 42656 43301 46999 48112 50654 52288 52576 57133 57929 58976 62434 64448 66736 67766 69952 70649 72928 75392 79249 82256 83068 85312 86602 93998 96224 97679 101308 104576 105152 106021 114266 115858 117952 124868 128896 129301 133472 135532 139904 141298 145856 158498 159371 164512 166136 170624 173204 187996 192448 195358 202616 210304 212042 221063 228532 231716 235904 249736 258602 266944 271064 282596 291712 316996 318742 329024 332272 346408 375992 384896 390716 405232 424084 442126 457064 463432 499472 517204 533888 542128 565192 633992 637484 643777 658048 664544 692816 751984 781432 810464 848168 884252 892981 914128 926864 998944 1034408 1084256 1100651 1130384 1267984 1274968 1287554 1329088 1342331 1385632 1456969 1503968 1562864 1620928 1696336 1768504 1785962 1795799 1828256 1853728 1997888 2014399 2068816 2168512 2201302 2260768 2456719 2490947 2535968 2549936 2575108 2658176 2684662 2771264 2913938 3007936 3028049 3125728 3241856 3286651 3392672 3537008 3571924 3591598 3656512 3707456 3995776 4028798 4137632 4200197 4337024 4402604 4521536 4558903 4913438 4981894 5071936 5099872 5150216 5369324 5542528 5619113 5827876 6015872 6056098 6251456 6573302 6785344 6852953 7074016 7143848 7183196 7313024 7414912 8057596 8275264 8400394 8805208 9043072 9117806 9826876 9963788 10143872 10199744 10300432 10738648 11238226 11655752 12112196 12502912 13146604 13570688 13705906 14148032 14287696 14366392 16115192 16550528 16800788 17610416 18235612 19653752 19927576 20399488 20600864 21477296 22476452 23311504 24224392 26293208 27411812 27682411 28296064 28575392 28732784 32230384 33601576 34120181 35220832 36471224 39307504 39855152 41201728 42954592 44952904 46623008 47327993 48448784 52586416 54823624 55364822 57150784 57465568 62446369 64460768 67203152 68240362 70441664 72942448 77219357 78615008 79710304 82403456 85909184 86619157 89905808 93246016 94655986 96897568 105172832 106763147 109647248 110729644 114301568 114931136 124892738 128921536 130206107 134406304 136480724 140883328 141325993 145884896 154438714 157230016 159420608 171818368 173238314 174192503 179811616 186492032 189311972 193795136 210345664 213526294 219294496 221459288 229862272 241621859 249785476 257843072 260412214 268812608 272961448 282651986 291769792 308877428 314460032 318841216 346476628 348385006 359623232 378623944 387590272 420691328 427052588 438588992 442918576 483243718 499570952 520824428 537625216 545922896 565303972 583539584 617754856 692953256 696770012 719246464 757247888 854105176 877177984 885837152 966487436 999141904 1041648856 1091845792 1130607944 1235509712 1385906512 1393540024 1467167783 1514495776 1708210352 1771674304 1932974872 1998283808 2083297712 2183691584 2261215888 2471019424 2685193867 2771813024 2787080048 2934335566 3028991552 3309657557 3416420704 3543348608 3865949744 3996567616 4166595424 4367383168 4522431776 4590815321 4942038848 5370387734 5543626048 5574160096 5868671132 6057983104 6619315114 6832841408 7490277629 7731899488 7993135232 8333190848 9044863552 9181630642 9884077696 10740775468 11087252096 11148320192 11737342264 13238630228 13665682816 14980555258 15463798976 16666381696 18089727104 18363261284 21481550936 22296640384 23474684528 26477260456 29961110516 30927597952 36726522568 42963101872 46949369056 52954520912 59922221032 73453045136 85926203744 93898738112 105909041824 119844442064 142315274951 146906090272 171852407488 187797476224 211818083648 239688884128 284630549902 293812180544 343704814976 423636167296 479377768256 569261099804 587624361088 958755536512 1138522199608 2277044399216 4554088798432 9108177596864 18216355193728
• Sum of all divisors σ(n): 41572868198400
• Sum of proper divisors (its aliquot sum) s(n): 23356513004672
• 18216355193728 is an abundant number, because the sum of its proper divisors (23356513004672) is greater than itself. Its abundance is 5140157810944

Bases of 18216355193728

• Binary: 100001001000101010011011000010110001110000000₂
• Hexadecimal: 0x109153616380
• Base-36: 6GGH7JSSG

Squares and roots of 18216355193728

• 18216355193728 squared (18216355193728²) is 331835596544061080410537984
• 18216355193728 cubed (18216355193728³) is 6044835092569236229729770643301022564352
• The square root of 18216355193728 is 4268062.2293645157
• The cube root of 18216355193728 is 26311.9980694897

Scales and comparisons

• 18,216,355,193,728 seconds is equal to 579,223 years, 38 weeks, 6 days, 8 hours, 55 minutes, 28 seconds.
• To count from 1 to 18,216,355,193,728 would take you about one million, four hundred forty-eight thousand and fifty-nine 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 18216355193728 cubic inches would be around 2192.7 feet tall.

Recreational maths with 18216355193728

• 18216355193728 backwards is 82739155361281
• The number of decimal digits it has is: 14
• The sum of 18216355193728's digits is 61
• More coming soon!