18518990738248

Names of 18518990738248

• Cardinal: 18518990738248 can be written as Eighteen trillion, five hundred eighteen billion, nine hundred ninety million, seven hundred thirty-eight thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 1.8518990738248 × 10¹³

Factors of 18518990738248

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 33416

Divisors of 18518990738248

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 11 13 14 22 26 28 31 44 52 56 62 77 88 91 104 124 143 154 182 217 248 286 308 341 364 403 434 572 616 682 728 806 868 1001 1144 1364 1612 1736 2002 2387 2411 2728 2821 3224 4004 4433 4774 4822 5642 8008 8866 9548 9644 11284 16877 17732 19096 19288 22568 26521 30941 31031 31343 33754 35464 53042 61882 62062 62686 67508 74741 106084 123764 124124 125372 135016 149482 185647 212168 216587 219401 247528 248248 250744 298964 340351 344773 371294 402233 433174 438802 523187 597928 680702 689546 742588 804466 822151 866348 877604 959171 971633 1046374 1361404 1379092 1485176 1608932 1644302 1732696 1755208 1918342 1943266 2092748 2382457 2413411 2722808 2758184 2815631 3217864 3288604 3836684 3886532 4185496 4424563 4764914 4826822 5631262 5755057 6577208 6714197 6801431 7673368 7773064 8849126 9529828 9653644 10550881 10687963 11262524 11510114 12469223 13428394 13602862 17698252 19059656 19307288 21101762 21375926 22525048 23020228 24938446 26856788 27205724 30971941 35396504 42203524 42751852 46040456 49876892 53713576 54411448 61943882 73856167 74598751 74815741 84407048 85503704 87284561 99753784 123887764 137161453 147712334 149197502 149631482 174569122 247775528 274322906 295424668 298395004 299262964 349138244 522191257 548645812 590849336 596790008 598525928 698276488 820586261 960130171 969783763 1044382514 1097291624 1641172522 1920260342 1939567526 2088765028 2312561281 3282345044 3840520684 3879135052 4177530056 4625122562 5744103827 6564690088 6788486341 7681041368 7758270104 9250245124 10667621393 11488207654 13576972682 16187928967 18500490248 21335242786 22976415308 25438174091 27153945364 30063296653 32375857934 42670485572 45952830616 50876348182 54307890728 60126593306 64751715868 74673349751 85340971144 101752696364 120253186612 129503431736 149346699502 178067218637 203505392728 210443076571 240506373224 298693399004 330696263183 356134437274 420886153142 597386798008 661392526366 712268874548 841772306284 1322785052732 1424537749096 1683544612568 2314873842281 2645570105464 4629747684562 9259495369124 18518990738248
• Sum of all divisors σ(n): 48146662932480
• Sum of proper divisors (its aliquot sum) s(n): 29627672194232
• 18518990738248 is an abundant number, because the sum of its proper divisors (29627672194232) is greater than itself. Its abundance is 11108681455984

Bases of 18518990738248

• Binary: 100001101011111001001110111010101001101001000₂
• Hexadecimal: 0x10D7C9DD5348
• Base-36: 6KBI8XTFS

Squares and roots of 18518990738248

• 18518990738248 squared (18518990738248²) is 342953017963315204050109504
• 18518990738248 cubed (18518990738248³) is 6351143763316834236033460163066201108992
• The square root of 18518990738248 is 4303369.6957440225
• The cube root of 18518990738248 is 26456.9090781871

Scales and comparisons

• 18,518,990,738,248 seconds is equal to 588,846 years, 32 weeks, 2 days, 13 hours, 57 minutes, 28 seconds.
• To count from 1 to 18,518,990,738,248 would take you about one million, four hundred seventy-two thousand, one hundred sixteen 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 18518990738248 cubic inches would be around 2204.7 feet tall.

Recreational maths with 18518990738248

• 18518990738248 backwards is 84283709981581
• The number of decimal digits it has is: 14
• The sum of 18518990738248's digits is 73
• More coming soon!