221335278138

Names of 221335278138

• Cardinal: 221335278138 can be written as Two hundred twenty-one billion, three hundred thirty-five million, two hundred seventy-eight thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.21335278138 × 10¹¹

Factors of 221335278138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 235

Divisors of 221335278138

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 41 54 67 78 81 82 109 117 123 134 162 169 201 218 234 243 246 327 338 351 369 402 486 507 533 603 654 702 729 738 871 981 1014 1053 1066 1107 1206 1417 1458 1521 1599 1742 1809 1962 2106 2187 2214 2613 2747 2834 2943 3042 3159 3198 3321 3618 4251 4374 4469 4563 4797 5226 5427 5494 5886 6318 6642 6929 7303 7839 8241 8502 8829 8938 9126 9477 9594 9963 10854 11323 12753 13407 13689 13858 14391 14606 15678 16281 16482 17658 18421 18954 19926 20787 21909 22646 23517 24723 25506 26487 26814 27378 28431 28782 29889 32562 33969 35711 36842 38259 40221 41067 41574 43173 43818 47034 48843 49446 52974 55263 56862 58097 59778 62361 65727 67938 70551 71422 74169 76518 79461 80442 82134 86346 89667 94939 97686 101907 107133 110526 114777 116194 120663 123201 124722 129519 131454 141102 146529 148338 158922 165789 174291 179334 187083 189878 197181 203814 211653 214266 222507 229554 238383 241326 246402 259038 284817 293058 299423 305721 321399 331578 344331 348582 361989 369603 374166 388557 394362 423306 445014 464243 476766 497367 522873 561249 569634 591543 598846 611442 634959 642798 667521 688662 723978 739206 755261 777114 854451 898269 917163 928486 964197 994734 1032993 1045746 1085967 1122498 1165671 1183086 1234207 1269918 1335042 1392729 1492101 1510522 1568619 1683747 1708902 1774629 1796538 1834326 1904877 1928394 2002563 2065986 2171934 2265783 2331342 2468414 2563353 2694807 2751489 2785458 2892591 2984202 3098979 3137238 3257901 3367494 3549258 3702621 3809754 3892499 4005126 4178187 4476303 4531566 4705857 5051241 5126706 5323887 5389614 5502978 5785182 6007689 6197958 6515802 6797349 7405242 7690059 7784998 8084421 8254467 8356374 8677773 8952606 9411714 9773703 10102482 10647774 11107863 11677497 12015378 12534561 13428909 13594698 14117571 15153723 15380118 15971661 16168842 16508934 17355546 19547406 20392047 22215726 23070177 23354994 24253263 24763401 25069122 26033319 26857818 28235142 30307446 31943322 33323589 35032491 37603683 40286727 40784094 42352713 46140354 48506526 49526802 50602487 52066638 61176141 66647178 69210531 70064982 72759789 75207366 78099957 80573454 84705426 99970767 101204974 105097473 112811049 122352282 127058139 138421062 145519578 151807461 156199914 183528423 199941534 207631593 210194946 218279367 225622098 254116278 299912301 303614922 315292419 338433147 367056846 415263186 436558734 455422383 550585269 599824602 630584838 654838101 676866294 899736903 910844766 945877257 1015299441 1101170538 1309676202 1366267149 1651755807 1799473806 1891754514 2030598882 2699210709 2732534298 2837631771 3303511614 4098801447 5398421418 5675263542 8197602894 8512895313 12296404341 17025790626 24592808682 36889213023 73778426046 110667639069 221335278138
• Sum of all divisors σ(n): 565714195200
• Sum of proper divisors (its aliquot sum) s(n): 344378917062
• 221335278138 is an abundant number, because the sum of its proper divisors (344378917062) is greater than itself. Its abundance is 123043638924

Bases of 221335278138

• Binary: 11001110001000100111000101001000111010₂
• Hexadecimal: 0x33889C523A
• Base-36: 2TOHB5MI

Squares and roots of 221335278138

• 221335278138 squared (221335278138²) is 48989305348425820747044
• 221335278138 cubed (221335278138³) is 10843061525081240035507914681324072
• The square root of 221335278138 is 470462.8339603459
• The cube root of 221335278138 is 6048.9994760829

Scales and comparisons

• 221,335,278,138 seconds is equal to 7,037 years, 40 weeks, 2 days, 21 hours, 42 minutes, 18 seconds.
• To count from 1 to 221,335,278,138 would take you about fourteen thousand and seventy-five 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 221335278138 cubic inches would be around 504.1 feet tall.

Recreational maths with 221335278138

• 221335278138 backwards is 831872533122
• The number of decimal digits it has is: 12
• The sum of 221335278138's digits is 45
• More coming soon!