181357912962018

Names of 181357912962018

• Cardinal: 181357912962018 can be written as One hundred eighty-one trillion, three hundred fifty-seven billion, nine hundred twelve million, nine hundred sixty-two thousand and eighteen.

Scientific notation

• Scientific notation: 1.81357912962018 × 10¹⁴

Factors of 181357912962018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1197

Divisors of 181357912962018

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 97 117 162 194 234 243 291 351 373 486 582 702 709 729 746 873 1053 1119 1261 1418 1458 1746 2106 2127 2238 2522 2619 3159 3357 3783 4254 4849 5238 6318 6381 6714 7566 7857 9217 9477 9698 10071 11349 12762 14547 15714 18434 18954 19143 20142 22698 23571 27651 29094 30213 34047 36181 38286 43641 47142 55302 57429 60426 68094 68773 70713 72362 82953 87282 90639 102141 108543 114858 130923 137546 139129 141426 165906 172287 181278 204282 206319 217086 248859 261846 264457 271917 278258 306423 325629 344574 392769 412638 417387 470353 497718 516861 528914 543834 612846 618957 651258 746577 785538 793371 834774 894049 919269 940706 976887 1033722 1178307 1237914 1252161 1411059 1493154 1586742 1788098 1808677 1838538 1856871 1953774 2239731 2356614 2380113 2504322 2682147 2822118 2930661 3437941 3534921 3617354 3713742 3756483 4233177 4479462 4760226 5364294 5426031 5570613 5861322 6719193 6875882 7069842 7140339 7512966 8046441 8466354 8791983 10313823 10852062 11141226 11269449 12699531 13438386 13495513 14280678 16092882 16278093 16711839 17583966 20627646 21421017 22538898 24139323 25399062 25652329 26375949 26991026 30941469 32556186 33423678 33808347 38098593 40486539 42842034 48278646 48834279 50135517 51304658 52751898 61882938 64263051 67616694 72417969 76197186 76956987 80973078 92824407 97668558 98642461 100271034 101425041 114295779 121459617 128526102 144835938 146502837 153913974 175441669 185648814 192789153 197284922 202850082 217253907 228591558 230870961 242919234 278473221 293005674 295927383 333480277 342887337 350883338 364378851 385578306 434507814 439508511 461741922 526325007 556946442 591854766 651761721 666960554 685774674 692612883 728757702 835419663 879017022 887782149 1000440831 1052650014 1093136553 1282351993 1303523442 1318525533 1385225766 1578975021 1670839326 1775564298 2000881662 2077838649 2186273106 2506258989 2564703986 2637051066 2663346447 3001322493 3157950042 3279409659 3847055979 4155677298 4736925063 5012517978 5326692894 6002644986 6233515947 6558819318 7694111958 7990039341 9003967479 9473850126 9568318717 9838228977 11541167937 12467031894 14210775189 15980078682 18007934958 18700547841 19136637434 19676457954 23082335874 23970118023 27011902437 28421550378 28704956151 34623503811 37401095682 42632325567 47940236046 54023804874 57409912302 69247007622 71910354069 81035707311 85264651134 86114868453 103870511433 124388143321 127896976701 143820708138 162071414622 172229736906 207741022866 243107121933 248776286642 255793953402 258344605359 311611534299 373164429963 486214243866 516689210718 623223068598 746328859926 775033816077 934834602897 1119493289889 1550067632154 1869669205794 2238986579778 2325101448231 3358479869667 4650202896462 6716959739334 6975304344693 10075439609001 13950608689386 20150879218002 30226318827003 60452637654006 90678956481009 181357912962018
• Sum of all divisors σ(n): 445592039878440
• Sum of proper divisors (its aliquot sum) s(n): 264234126916422
• 181357912962018 is an abundant number, because the sum of its proper divisors (264234126916422) is greater than itself. Its abundance is 82876213954404

Bases of 181357912962018

• Binary: 101001001111000110101101111110101011001111100010₂
• Hexadecimal: 0xA4F1ADFAB3E2
• Base-36: 1SAAOAUS4I

Squares and roots of 181357912962018

• 181357912962018 squared (181357912962018²) is 32890692593938896498310632324
• 181357912962018 cubed (181357912962018³) is 5964987364712060432353637137192145375069832
• The square root of 181357912962018 is 13466919.2082680143
• The cube root of 181357912962018 is 56603.7889643889

Scales and comparisons

• 181,357,912,962,018 seconds is equal to 5,766,620 years, 34 weeks, 13 hours, 18 seconds.
• To count from 1 to 181,357,912,962,018 would take you about fourteen million, four hundred sixteen thousand, five hundred fifty-one 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 181357912962018 cubic inches would be around 4717 feet tall.

Recreational maths with 181357912962018

• 181357912962018 backwards is 810269219753181
• The number of decimal digits it has is: 15
• The sum of 181357912962018's digits is 63
• More coming soon!