168137961138

Names of 168137961138

• Cardinal: 168137961138 can be written as One hundred sixty-eight billion, one hundred thirty-seven million, nine hundred sixty-one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.68137961138 × 10¹¹

Factors of 168137961138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 122

Divisors of 168137961138

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 31 42 49 54 62 63 79 81 93 98 126 147 158 162 186 189 217 237 243 279 294 378 434 441 474 486 553 558 567 651 711 729 837 882 961 1106 1134 1302 1323 1422 1458 1519 1659 1674 1701 1922 1953 2133 2449 2511 2646 2883 3038 3318 3402 3871 3906 3969 4266 4557 4898 4977 5022 5103 5766 5859 6399 6727 7347 7533 7742 7938 8649 9114 9954 10206 11613 11718 11907 12798 13454 13671 14694 14931 15066 17143 17298 17577 19197 20181 22041 22599 23226 23814 25947 27342 29791 29862 34286 34839 35154 35721 38394 40362 41013 44082 44793 45198 47089 51429 51894 52731 57591 59582 60543 66123 69678 71442 75919 77841 82026 89373 89586 94178 102858 104517 105462 115182 120001 121086 123039 132246 134379 141267 151838 154287 155682 158193 178746 181629 198369 208537 209034 227757 233523 240002 246078 268119 268758 282534 308574 313551 316386 360003 363258 369117 396738 403137 417074 423801 455514 462861 467046 531433 536238 544887 595107 625611 627102 683271 700569 720006 738234 804357 806274 847602 925722 940653 1062866 1080009 1089774 1107351 1190214 1251222 1271403 1366542 1388583 1401138 1459759 1594299 1608714 1634661 1785321 1876833 1881306 2049813 2160018 2214702 2353489 2413071 2542806 2777166 2821959 2919518 3188598 3240027 3269322 3570642 3720031 3753666 3814209 4099626 4165749 4379277 4706978 4782897 4826142 4903983 5630499 5643918 6149439 6480054 7060467 7239213 7440062 7628418 8331498 8758554 9565794 9720081 9807966 11160093 11260998 11442627 12298878 12497247 13137831 14120934 14348691 14478426 16474423 16891497 18448317 19440162 21181401 21717639 22320186 22885254 24994494 26275662 28697382 29160243 32948846 33480279 33782994 34327881 36896634 39413493 42362802 43046073 43435278 49423269 50674491 55344951 58320486 63544203 66960558 68655762 78826986 86092146 87480729 98846538 100440837 101348982 110689902 115320961 118240479 127088406 129138219 148269807 152023473 174961458 190632609 200881674 230641922 236480958 258276438 296539614 301322511 304046946 345962883 354721437 381265218 387414657 444809421 571897827 602645022 691925766 709442874 774829314 889618842 903967533 1037888649 1064164311 1143795654 1334428263 1715693481 1807935066 2075777298 2128328622 2668856526 2711902599 3113665947 3431386962 4003284789 5423805198 6227331894 8006569578 9340997841 12009854367 18681995682 24019708734 28022993523 56045987046 84068980569 168137961138
• Sum of all divisors σ(n): 460289756160
• Sum of proper divisors (its aliquot sum) s(n): 292151795022
• 168137961138 is an abundant number, because the sum of its proper divisors (292151795022) is greater than itself. Its abundance is 124013833884

Bases of 168137961138

• Binary: 10011100100101110011011010111010110010₂
• Hexadecimal: 0x2725CDAEB2
• Base-36: 258P014I

Squares and roots of 168137961138

• 168137961138 squared (168137961138²) is 28270373975643598255044
• 168137961138 cubed (168137961138³) is 4753323040873489881945072684480072
• The square root of 168137961138 is 410046.2914574403
• The cube root of 168137961138 is 5519.3583534655

Scales and comparisons

• 168,137,961,138 seconds is equal to 5,346 years, 13 weeks, 6 days, 5 hours, 12 minutes, 18 seconds.
• To count from 1 to 168,137,961,138 would take you about ten thousand, six hundred ninety-two 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 168137961138 cubic inches would be around 459.9 feet tall.

Recreational maths with 168137961138

• 168137961138 backwards is 831169731861
• 168137961138 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168137961138's digits is 54
• More coming soon!