18168232446

Names of 18168232446

• Cardinal: 18168232446 can be written as Eighteen billion, one hundred sixty-eight million, two hundred thirty-two thousand, four hundred forty-six.

Scientific notation

• Scientific notation: 1.8168232446 × 10¹⁰

Factors of 18168232446

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 521

Divisors of 18168232446

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 29 39 42 49 54 58 63 78 81 87 91 98 117 126 147 162 169 174 182 189 203 234 261 273 294 338 351 377 378 406 441 467 507 522 546 567 609 637 702 754 783 819 882 934 1014 1053 1131 1134 1183 1218 1274 1323 1401 1421 1521 1566 1638 1827 1911 2106 2262 2349 2366 2457 2639 2646 2802 2842 3042 3269 3393 3549 3654 3822 3969 4203 4263 4563 4698 4901 4914 5278 5481 5733 6071 6538 6786 7098 7371 7917 7938 8281 8406 8526 9126 9802 9807 10179 10647 10962 11466 12142 12609 12789 13543 13689 14703 14742 15834 16443 16562 17199 18213 18473 19614 20358 21294 22883 23751 24843 25218 25578 27086 27378 29406 29421 30537 31941 32886 34307 34398 36426 36946 37827 38367 40629 42497 44109 45766 47502 49686 51597 54639 55419 58842 61074 63882 68614 68649 71253 74529 75654 76734 78923 81258 84994 88218 88263 94801 95823 102921 103194 109278 110838 115101 121887 127491 132327 137298 142506 149058 157846 163917 166257 176059 176526 189602 191646 205842 205947 213759 223587 230202 236769 240149 243774 254982 264654 264789 284403 297479 308763 327834 332514 352118 365661 382473 396981 411894 427518 447174 473538 480298 491751 498771 528177 529578 552461 568806 594958 617526 617841 663607 670761 710307 720447 731322 764946 793962 853209 892437 926289 983502 997542 1056354 1096983 1104922 1147419 1232413 1235682 1327214 1341522 1420614 1440894 1496313 1584531 1657383 1706418 1784874 1852578 1853523 1990821 2130921 2161341 2193966 2288767 2294838 2464826 2559627 2677311 2778867 2992626 3169062 3314766 3442257 3697239 3707046 3867227 3981642 4261842 4322682 4577534 4753593 4972149 5119254 5354622 5557734 5972463 6392763 6484023 6866301 6884514 7394478 7678881 7734454 8031933 8626891 9507186 9944298 11091717 11601681 11944926 12785526 12968046 13732602 14260779 14916447 15357762 16021369 16063866 17253782 17917389 19452069 20598903 22183434 23203362 24095799 25880673 28521558 29832894 32042738 33275151 34805043 35834778 38904138 41197806 44749341 48064107 48191598 51761346 53752167 61796709 66550302 69610086 77642019 89498682 96128214 99825453 104415129 107504334 112149583 123593418 144192321 155284038 185390127 199650906 208830258 224299166 232926057 288384642 313245387 336448749 370780254 432576963 465852114 626490774 672897498 698778171 865153926 1009346247 1297730889 1397556342 2018692494 2595461778 3028038741 6056077482 9084116223 18168232446
• Sum of all divisors σ(n): 53161800120
• Sum of proper divisors (its aliquot sum) s(n): 34993567674
• 18168232446 is an abundant number, because the sum of its proper divisors (34993567674) is greater than itself. Its abundance is 16825335228

Bases of 18168232446

• Binary: 10000111010111010010011100111111110₂
• Hexadecimal: 0x43AE939FE
• Base-36: 8CGW9VI

Squares and roots of 18168232446

• 18168232446 squared (18168232446²) is 330084670211887142916
• 18168232446 cubed (18168232446³) is 5997055015270817684816710252536
• The square root of 18168232446 is 134789.5858217541
• The cube root of 18168232446 is 2628.8807878339

Scales and comparisons

• 18,168,232,446 seconds is equal to 577 years, 36 weeks, 11 hours, 14 minutes, 6 seconds.
• To count from 1 to 18,168,232,446 would take you about one thousand, one hundred fifty-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 18168232446 cubic inches would be around 219.1 feet tall.

Recreational maths with 18168232446

• 18168232446 backwards is 64423286181
• The number of decimal digits it has is: 11
• The sum of 18168232446's digits is 45
• More coming soon!