18090997242913

Names of 18090997242913

• Cardinal: 18090997242913 can be written as Eighteen trillion, ninety billion, nine hundred ninety-seven million, two hundred forty-two thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.8090997242913 × 10¹³

Factors of 18090997242913

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1380

Divisors of 18090997242913

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 19 31 41 53 133 217 287 371 589 779 961 1007 1229 1271 1643 2173 2809 4123 5453 6727 7049 8603 8897 11501 15211 18259 19663 23351 24149 31217 38099 39401 41287 50389 50933 53371 65137 67363 87079 115169 127813 163457 169043 218519 266693 275807 289009 352723 356531 373597 455959 471541 609553 723881 748619 806183 957391 967727 1181069 1237603 1279897 1562059 1654501 2019247 2088253 2188211 2670617 2699449 3452261 3570239 5067167 5240333 6701737 6774089 8267483 8663221 8959279 10934413 11581507 14134729 14617771 15317477 18694319 18896143 22440311 24165827 24991673 29679121 38365693 39676807 48423829 50741723 51289531 62596657 65592959 67834541 82789127 107020091 110677409 141542701 157082177 207753847 268559851 277737649 338966803 355192061 359026717 438176599 459150713 474841787 579523889 749140637 774741863 920052751 990798907 1189336483 1572993413 2033381729 2102870771 2566462937 2689311319 3317622821 4387823731 6440369257 8325355381 11010953891 14233672103 14720095397 17965240559 18825179233 23223359747 30714766117 48762795803 63034833599 83368650889 136022535661 341339570621 441243835193 583580556223 952157749627 2584428177559 18090997242913
• Sum of all divisors σ(n): 23498761910400
• Sum of proper divisors (its aliquot sum) s(n): 5407764667487
• 18090997242913 is a deficient number, because the sum of its proper divisors (5407764667487) is less than itself. Its deficiency is 12683232575426

Bases of 18090997242913

• Binary: 100000111010000100011011101101101110000100001₂
• Hexadecimal: 0x10742376DC21
• Base-36: 6EUW0NUW1

Squares and roots of 18090997242913

• 18090997242913 squared (18090997242913²) is 327284181243085767528725569
• 18090997242913 cubed (18090997242913³) is 5920897220517703209406564730307607142497
• The square root of 18090997242913 is 4253351.2954978219
• The cube root of 18090997242913 is 26251.5027374511

Scales and comparisons

• 18,090,997,242,913 seconds is equal to 575,237 years, 39 weeks, 1 day, 3 hours, 55 minutes, 13 seconds.
• To count from 1 to 18,090,997,242,913 would take you about one million, four hundred thirty-eight thousand and ninety-four 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 18090997242913 cubic inches would be around 2187.6 feet tall.

Recreational maths with 18090997242913

• 18090997242913 backwards is 31924279909081
• The number of decimal digits it has is: 14
• The sum of 18090997242913's digits is 64
• More coming soon!