18439699368807

Names of 18439699368807

• Cardinal: 18439699368807 can be written as Eighteen trillion, four hundred thirty-nine billion, six hundred ninety-nine million, three hundred sixty-eight thousand, eight hundred seven.

Scientific notation

• Scientific notation: 1.8439699368807 × 10¹³

Factors of 18439699368807

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 360

Divisors of 18439699368807

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 31 37 61 71 93 111 157 183 213 279 333 471 549 639 1147 1369 1413 1891 2201 2257 2627 3441 4107 4331 4867 5041 5673 5809 6603 6771 7881 9577 10323 11147 12321 12993 14601 15123 17019 17427 19809 20313 23643 28731 33441 38979 42439 43803 45369 52281 69967 81437 83509 86193 97199 100323 127317 134261 156271 160247 180079 186517 209901 214933 244311 250527 291597 296887 307501 345557 354349 381951 402783 412439 468813 480741 540237 559551 629703 644799 679967 732933 751581 791437 874791 890661 922503 1036671 1063047 1208349 1237317 1406439 1442223 1620711 1678653 1934397 2039901 2374311 2588779 2671983 2767509 3013169 3110013 3189141 3711951 4967657 5782027 5929139 6119703 6662923 6901129 7122933 7766337 9039507 9532531 10984819 11377537 12785609 13110913 14902971 15260243 17346081 17787417 19988769 20703387 21078977 23299011 24534547 25158779 27118521 28597593 29283169 32954457 34132611 38356827 39332739 44708913 45780729 48277657 52038243 53362251 59966307 62110161 63236931 73603641 75476337 85792779 87849507 98863371 102397833 115070481 117998217 137342187 144832971 183803309 189710793 213934999 220810923 226429011 263548521 352703647 406438303 420968869 434498913 473067533 551409927 641804997 779922149 907778239 930874823 1058110941 1083477253 1219314909 1262906607 1419202599 1496607367 1654229781 1786273309 1925414991 2339766447 2723334717 2792624469 3174332823 3250431759 3657944727 3788719821 4257607797 4489822101 5358819927 7019299341 8170004151 8377873407 9751295277 13050034939 13469466303 16076459781 28857119513 33587794843 39150104817 55374472579 66092112433 86571358539 100763384529 117450314451 166123417737 198276337299 259714075617 302290153587 498370253211 594829011897 2048855485423 6146566456269 18439699368807
• Sum of all divisors σ(n): 29316491707776
• Sum of proper divisors (its aliquot sum) s(n): 10876792338969
• 18439699368807 is a deficient number, because the sum of its proper divisors (10876792338969) is less than itself. Its deficiency is 7562907029838

Bases of 18439699368807

• Binary: 100001100010101010011101110110000101101100111₂
• Hexadecimal: 0x10C553BB0B67
• Base-36: 6JB2WWL7R

Squares and roots of 18439699368807

• 18439699368807 squared (18439699368807²) is 340022512811981274204603249
• 18439699368807 cubed (18439699368807³) is 6269912914879261172617726121559161453943
• The square root of 18439699368807 is 4294147.1060976707
• The cube root of 18439699368807 is 26419.0955398609

Scales and comparisons

• 18,439,699,368,807 seconds is equal to 586,325 years, 20 weeks, 6 days, 9 hours, 33 minutes, 27 seconds.
• To count from 1 to 18,439,699,368,807 would take you about one million, four hundred sixty-five thousand, eight hundred thirteen 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 18439699368807 cubic inches would be around 2201.6 feet tall.

Recreational maths with 18439699368807

• 18439699368807 backwards is 70886399693481
• The number of decimal digits it has is: 14
• The sum of 18439699368807's digits is 81
• More coming soon!