138374747518518

Names of 138374747518518

• Cardinal: 138374747518518 can be written as One hundred thirty-eight trillion, three hundred seventy-four billion, seven hundred forty-seven million, five hundred eighteen thousand, five hundred eighteen.

Scientific notation

• Scientific notation: 1.38374747518518 × 10¹⁴

Factors of 138374747518518

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 14796

Divisors of 138374747518518

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 191 243 378 382 486 567 573 1134 1146 1337 1701 1719 2674 3402 3438 4011 5157 8022 10314 12033 14593 15471 24066 29186 30942 36099 43779 46413 72198 87558 92826 102151 108297 131337 204302 216594 262674 306453 324891 394011 612906 649782 788022 919359 1182033 1838718 2364066 2758077 2787263 3546099 5516154 5574526 7092198 8274231 8361789 16548462 16723578 19510841 24822693 25085367 39021682 49645386 50170734 58532523 75256101 117065046 150512202 175597569 212955649 225768303 351195138 425911298 451536606 526792707 638866947 677304909 1053585414 1277733894 1354609818 1490689543 1580378121 1916600841 2981379086 3160756242 3833201682 4472068629 4741134363 5749802523 8944137258 9482268726 11499605046 13416205887 17249407569 26832411774 34498815138 40248617661 40674528959 51748222707 80497235322 81349057918 103496445414 120745852983 122023586877 241491705966 244047173754 284721702713 362237558949 366070760631 569443405426 724475117898 732141521262 854165108139 1098212281893 1708330216278 2196424563786 2562495324417 3294636845679 5124990648834 6589273691358 7687485973251 9883910537037 15374971946502 19767821074074 23062457919753 46124915839506 69187373759259 138374747518518
• Sum of all divisors σ(n): 357217544226816
• Sum of proper divisors (its aliquot sum) s(n): 218842796708298
• 138374747518518 is an abundant number, because the sum of its proper divisors (218842796708298) is greater than itself. Its abundance is 80468049189780

Bases of 138374747518518

• Binary: 11111011101100111100001101010111111011000110110₂
• Hexadecimal: 0x7DD9E1ABF636
• Base-36: 1D1SHBXXDI

Squares and roots of 138374747518518

• 138374747518518 squared (138374747518518²) is 19147570750813603398752916324
• 138374747518518 cubed (138374747518518³) is 2649540268236792505031142918960234694487832
• The square root of 138374747518518 is 11763279.6242594693
• The cube root of 138374747518518 is 51723.2271473299

Scales and comparisons

• 138,374,747,518,518 seconds is equal to 4,399,888 years, 49 weeks, 2 days, 18 hours, 15 minutes, 18 seconds.
• To count from 1 to 138,374,747,518,518 would take you about ten million, nine hundred ninety-nine thousand, seven hundred twenty-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 138374747518518 cubic inches would be around 4310.3 feet tall.

Recreational maths with 138374747518518

• 138374747518518 backwards is 815815747473831
• The number of decimal digits it has is: 15
• The sum of 138374747518518's digits is 72
• More coming soon!