18438487980237

Names of 18438487980237

• Cardinal: 18438487980237 can be written as Eighteen trillion, four hundred thirty-eight billion, four hundred eighty-seven million, nine hundred eighty thousand, two hundred thirty-seven.

Scientific notation

• Scientific notation: 1.8438487980237 × 10¹³

Factors of 18438487980237

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 45

Divisors of 18438487980237

• Number of divisors d(n): 198
• Complete list of divisors:
  1 3 9 13 27 29 39 81 87 117 169 243 261 351 377 507 729 783 841 1053 1131 1521 2187 2197 2349 2523 3159 3393 4563 4901 6561 6591 7047 7569 9477 10179 10933 13689 14703 19683 19773 21141 22707 28431 28561 30537 32799 41067 44109 59049 59319 63423 63713 68121 85293 85683 91611 98397 123201 132327 142129 177957 190269 191139 204363 255879 257049 274833 295191 369603 371293 396981 426387 533871 570807 573417 613089 767637 771147 824499 828269 885573 1108809 1113879 1190943 1279161 1601613 1712421 1720251 1839267 1847677 2313441 2473497 2484807 2656719 3326427 3341637 3572829 3837483 4804839 5160753 5517801 5543031 6940323 7420491 7454421 7970157 9979281 10024911 10718487 10767497 11512449 14414517 15482259 16553403 16629093 20820969 22261473 22363263 23910471 24019801 30074733 32155461 32302491 34537347 43243551 46446777 49660209 49887279 62462907 67089789 71731413 72059403 90224199 96466383 96907473 103612041 129730653 139340331 149661837 187388721 201269367 215194239 216178209 270672597 289399149 290722419 310836123 312257413 418020993 448985511 562166163 603808101 645582717 648534627 812017791 872167257 932508369 936772239 1254062979 1346956533 1686498489 1811424303 1945603881 2436053373 2616501771 2797525107 2810316717 3762188937 4040869599 5434272909 5836811643 7308160119 7849505313 8392575321 8430950151 12122608797 16302818727 17510434929 21924480357 23548515939 25292850453 36367826391 48908456181 52531304787 70645547817 75878551359 109103479173 157593914361 211936643451 227635654077 472781743083 635809930353 682906962231 1418345229249 2048720886693 6146162660079 18438487980237
• Sum of all divisors σ(n): 31031179783422
• Sum of proper divisors (its aliquot sum) s(n): 12592691803185
• 18438487980237 is a deficient number, because the sum of its proper divisors (12592691803185) is less than itself. Its deficiency is 5845796177052

Bases of 18438487980237

• Binary: 100001100010100001011100001101011100011001101₂
• Hexadecimal: 0x10C50B86B8CD
• Base-36: 6JAIVOBT9

Squares and roots of 18438487980237

• 18438487980237 squared (18438487980237²) is 339977838997344323702576169
• 18438487980237 cubed (18438487980237³) is 6268677297899483312353550391858459172053
• The square root of 18438487980237 is 4294006.0526549099
• The cube root of 18438487980237 is 26418.5169966035

Scales and comparisons

• 18,438,487,980,237 seconds is equal to 586,286 years, 45 weeks, 6 days, 16 hours, 43 minutes, 57 seconds.
• To count from 1 to 18,438,487,980,237 would take you about one million, four hundred sixty-five thousand, seven hundred seventeen 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 18438487980237 cubic inches would be around 2201.5 feet tall.

Recreational maths with 18438487980237

• 18438487980237 backwards is 73208978483481
• The number of decimal digits it has is: 14
• The sum of 18438487980237's digits is 72
• More coming soon!