18139831164

Names of 18139831164

• Cardinal: 18139831164 can be written as Eighteen billion, one hundred thirty-nine million, eight hundred thirty-one thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.8139831164 × 10¹⁰

Factors of 18139831164

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 171

Divisors of 18139831164

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 17 18 19 21 26 28 31 34 36 38 39 42 49 51 52 57 62 63 68 76 78 79 84 91 93 98 102 114 117 119 124 126 133 147 153 156 158 171 182 186 196 204 217 221 228 234 237 238 247 252 266 273 279 294 306 316 323 342 357 364 372 399 403 434 441 442 468 474 476 494 527 532 546 553 558 588 589 612 637 646 651 663 684 711 714 741 798 806 819 833 868 882 884 931 948 969 988 1027 1054 1071 1092 1106 1116 1178 1197 1209 1274 1292 1302 1326 1343 1422 1428 1482 1501 1519 1547 1581 1596 1612 1638 1659 1666 1729 1764 1767 1862 1911 1938 1953 1989 2054 2108 2142 2212 2223 2261 2356 2394 2418 2449 2499 2548 2604 2652 2686 2793 2821 2844 2907 2964 3002 3038 3081 3094 3162 3276 3318 3332 3458 3534 3627 3689 3724 3822 3871 3876 3906 3978 4029 4108 4123 4199 4284 4446 4503 4522 4557 4641 4743 4788 4836 4898 4977 4998 5187 5301 5372 5586 5642 5733 5814 6004 6076 6162 6188 6324 6636 6783 6851 6916 7068 7189 7254 7347 7378 7497 7644 7657 7742 7812 7956 8058 8246 8379 8398 8463 8892 9006 9044 9114 9243 9282 9401 9486 9796 9954 9996 10013 10374 10507 10602 10829 11067 11172 11284 11466 11613 11628 12087 12103 12324 12369 12597 13509 13566 13671 13702 13923 14378 14508 14694 14756 14994 15314 15484 15561 15827 16116 16492 16758 16796 16926 17143 17459 18012 18228 18486 18564 18802 18972 19513 19747 19908 20026 20349 20553 20748 21014 21204 21567 21658 22041 22134 22932 22971 23226 24174 24206 24738 25194 25389 25517 25823 27018 27132 27342 27404 27846 28203 28756 28861 29388 29393 29988 30039 30628 31122 31521 31654 31837 32487 33201 33516 33852 34286 34839 34918 36309 36972 37107 37604 37791 39026 39494 40052 40698 41106 41633 42028 43134 43316 44082 44268 45942 46452 46531 47481 47957 48348 48412 49476 50323 50388 50778 51034 51429 51646 52377 53599 54036 54684 55692 56406 57722 58539 58786 59241 60078 61659 62244 63042 63308 63674 64701 64974 65807 66402 68572 68913 69678 69836 70091 72618 73549 74214 75582 76551 77469 78052 78988 81396 82212 83266 84609 86268 86583 88164 88179 90117 91884 93062 94563 94962 95511 95914 97461 100646 101556 102068 102858 103292 104754 107198 108927 112812 115444 117078 117572 118482 120001 120156 122213 123318 124899 126084 127348 129402 129948 130169 131614 132804 136591 137826 139356 139593 140182 142443 143871 145236 147098 148428 150969 151164 153102 154287 154938 157131 160797 166532 169218 173166 175617 176358 177723 178619 180234 186124 189126 189924 191022 191828 194922 197421 201292 205716 205751 209508 210273 214396 217854 220647 222859 229653 232407 234156 236964 240002 244426 246636 249798 258804 259749 260338 263228 264537 273182 275652 279186 280364 284886 286533 287742 291431 294196 301938 306204 308574 309876 314262 321594 325717 331721 335699 338436 346332 351234 352716 355446 357238 360003 360468 366639 374697 375193 378252 382044 389844 390507 394842 409773 411502 418779 420546 431613 435708 441294 445718 452907 459306 464814 480004 482391 488852 490637 499596 519498 520676 529074 535857 541229 546364 558372 569772 573066 575484 582862 592263 603876 604903 617148 617253 628524 630819 643188 651434 661941 663442 668577 671398 702468 710892 714476 720006 733278 749394 750386 781014 789684 791027 819546 823004 837558 841092 855491 863226 874293 882588 891436 905814 911183 918612 929628 956137 964782 977151 981274 995163 1007097 1038996 1058148 1071714 1080009 1082458 1099917 1125579 1146132 1165724 1171521 1184526 1209806 1229319 1234506 1250333 1261638 1302868 1323882 1326884 1337154 1342796 1440012 1466556 1471911 1498788 1500772 1560013 1562028 1582054 1607571 1623687 1639092 1675116 1710982 1726452 1748586 1811628 1814709 1822366 1851759 1912274 1929564 1954302 1962548 1990326 2005731 2014194 2040017 2143428 2160018 2164916 2199834 2251158 2280019 2322047 2343042 2369052 2373081 2419612 2458638 2469012 2500666 2523276 2566473 2622879 2647764 2674308 2733549 2868411 2931453 2943822 2985489 3021291 3120026 3164108 3215142 3247374 3376737 3421964 3497172 3629418 3644732 3703518 3750999 3788603 3824548 3908604 3980652 4011462 4028388 4080034 4234321 4320036 4399668 4415733 4502316 4560038 4644094 4680039 4686084 4746162 4871061 4917276 5001332 5132946 5245758 5444127 5467098 5537189 5736822 5862906 5887644 5970978 6042582 6120051 6240052 6378281 6430284 6494748 6753474 6840057 6966141 7119243 7258836 7407036 7501998 7577206 7699419 8022924 8160068 8200647 8468642 8605233 8831466 9120076 9288188 9360078 9492324 9742122 10265892 10283351 10491516 10888254 10934196 11074378 11252997 11365809 11473644 11725812 11941956 12085164 12240102 12702963 12756562 13506948 13680114 13932282 14040117 14238486 15003996 15154412 15398838 16254329 16401294 16611567 16937284 17210466 17662932 18360153 18720156 19134843 19484244 20520171 20566702 20898423 21776508 22148756 22505994 22731618 24480204 25405926 25513124 26520221 27360228 27864564 28080234 28476972 29640247 30797676 30850053 32508658 32802588 33223134 34097427 34420932 36720306 38108889 38269686 38760323 41040342 41133404 41796846 45011988 45463236 48762987 49834701 50811852 53040442 56160468 57404529 59280494 61700106 65017316 66446268 68194854 71983457 73440612 76217778 76539372 77520646 79560663 82080684 83593692 88920741 92550159 97525974 99669402 106080884 114809058 116280969 118560988 123400212 136389708 143966914 146288961 152435556 155041292 159121326 177841482 185100318 195051948 199338804 215950371 229618116 232561938 238681989 266762223 287933828 292577922 318242652 348842907 355682964 370200636 431900742 465123876 477363978 503884199 533524446 585155844 647851113 697685814 863801484 954727956 1007768398 1067048892 1295702226 1395371628 1511652597 2015536796 2591404452 3023305194 4534957791 6046610388 9069915582 18139831164
• Sum of all divisors σ(n): 66924748800
• Sum of proper divisors (its aliquot sum) s(n): 48784917636
• 18139831164 is an abundant number, because the sum of its proper divisors (48784917636) is greater than itself. Its abundance is 30645086472

Bases of 18139831164

• Binary: 10000111001001101111101101101111100₂
• Hexadecimal: 0x43937DB7C
• Base-36: 8BZZJB0

Squares and roots of 18139831164

• 18139831164 squared (18139831164²) is 329053474658425594896
• 18139831164 cubed (18139831164³) is 5968974474231392861469700138944
• The square root of 18139831164 is 134684.1904753487
• The cube root of 18139831164 is 2627.5102174475

Scales and comparisons

• 18,139,831,164 seconds is equal to 576 years, 41 weeks, 17 hours, 59 minutes, 24 seconds.
• To count from 1 to 18,139,831,164 would take you about one thousand, one hundred fifty-three 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 18139831164 cubic inches would be around 219 feet tall.

Recreational maths with 18139831164

• 18139831164 backwards is 46113893181
• The number of decimal digits it has is: 11
• The sum of 18139831164's digits is 45
• More coming soon!