18918445919958

Names of 18918445919958

• Cardinal: 18918445919958 can be written as Eighteen trillion, nine hundred eighteen billion, four hundred forty-five million, nine hundred nineteen thousand, nine hundred fifty-eight.

Scientific notation

• Scientific notation: 1.8918445919958 × 10¹³

Factors of 18918445919958

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 467

Divisors of 18918445919958

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 59 78 107 117 118 169 177 214 234 283 321 338 354 507 531 566 642 767 849 963 1014 1062 1391 1521 1534 1698 1926 2301 2547 2782 3042 3481 3679 4173 4602 5094 6313 6903 6962 7358 8346 9971 10443 11037 12519 12626 13806 16697 18083 18939 19942 20886 22074 25038 29913 30281 31329 33111 33394 36166 37878 45253 47827 50091 54249 56817 59826 60562 62658 66222 82069 89739 90506 90843 95654 100182 108498 113634 135759 143481 150273 162747 164138 179478 181686 205379 217061 246207 271518 272529 286962 300546 325494 372467 393653 407277 410758 430443 434122 492414 545058 588289 616137 651183 738621 744934 787306 814554 860886 985123 1066897 1117401 1176578 1180959 1232274 1302366 1477242 1764867 1786579 1848411 1953549 1970246 2133794 2234802 2361918 2669927 2821793 2955369 3200691 3352203 3529734 3542877 3573158 3696822 3907098 4842071 5117489 5294601 5339854 5359737 5643586 5910738 6401382 6704406 7085754 8009781 8465379 8866107 9602073 9684142 10234978 10589202 10719474 12806599 14526213 15352467 16019562 16079211 16930758 17732214 19204146 21975553 23225527 24029343 25396137 25613198 29052426 30704934 32158422 34709051 38419797 43578639 43951106 46057401 46451054 48058686 50792274 58122257 62946923 65926659 69418102 69676581 76839594 87157278 92114802 104127153 105408161 115259391 116244514 125893846 131853318 139353162 166485787 174366771 188840769 197779977 208254306 209029743 210816322 230518782 285682189 301931851 312381459 316224483 332971574 348733542 377681538 395559954 418059486 499457361 523100313 566522307 571364378 603863702 624762918 632448966 755589341 857046567 905795553 948673449 998914722 1046200626 1133044614 1370306093 1498372083 1511178682 1714093134 1811591106 1897346898 2266768023 2571139701 2717386659 2740612186 2996744166 3713868457 4110918279 4533536046 5142279402 5434773318 6219081499 6800304069 7427736914 8221836558 9822661433 11141605371 12332754837 12438162998 13600608138 17813979209 18657244497 19645322866 22283210742 24665509674 29467984299 33424816113 35627958418 37314488994 53441937627 55971733491 58935968598 66849632226 80848059487 88403952897 106883875254 111943466982 160325812881 161696118974 176807905794 242544178461 320651625762 485088356922 727632535383 1051024773331 1455265070766 2102049546662 3153074319993 6306148639986 9459222959979 18918445919958
• Sum of all divisors σ(n): 45733854890880
• Sum of proper divisors (its aliquot sum) s(n): 26815408970922
• 18918445919958 is an abundant number, because the sum of its proper divisors (26815408970922) is greater than itself. Its abundance is 7896963050964

Bases of 18918445919958

• Binary: 100010011010011001011001111111010111011010110₂
• Hexadecimal: 0x1134CB3FAED6
• Base-36: 6PF0I8O9I

Squares and roots of 18918445919958

• 18918445919958 squared (18918445919958²) is 357907596026375496942721764
• 18918445919958 cubed (18918445919958³) is 6771055499767159613490899258969408565912
• The square root of 18918445919958 is 4349533.9888266191
• The cube root of 18918445919958 is 26645.7829521701

Scales and comparisons

• 18,918,445,919,958 seconds is equal to 601,548 years, 3 weeks, 1 day, 10 hours, 39 minutes, 18 seconds.
• To count from 1 to 18,918,445,919,958 would take you about one million, five hundred three thousand, eight hundred seventy 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 18918445919958 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18918445919958

• 18918445919958 backwards is 85991954481981
• The number of decimal digits it has is: 14
• The sum of 18918445919958's digits is 81
• More coming soon!