18936239355018

Names of 18936239355018

• Cardinal: 18936239355018 can be written as Eighteen trillion, nine hundred thirty-six billion, two hundred thirty-nine million, three hundred fifty-five thousand and eighteen.

Scientific notation

• Scientific notation: 1.8936239355018 × 10¹³

Factors of 18936239355018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 628

Divisors of 18936239355018

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 18 23 27 46 54 69 79 81 138 158 162 207 237 243 414 474 486 521 621 711 1042 1242 1422 1563 1817 1863 2133 3126 3634 3726 4266 4689 5451 5589 6241 6399 9378 10902 11178 11983 12482 12798 14067 16353 18723 19197 23966 28134 32706 35949 37446 38394 41159 42201 49059 56169 71898 82318 84402 98118 107847 112338 123477 126603 143543 147177 168507 215694 246954 253206 271441 287086 294354 323541 337014 370431 430629 441531 505521 542882 647082 740862 814323 861258 883062 946657 970623 1011042 1111293 1291887 1516563 1628646 1893314 1941246 2222586 2442969 2583774 2839971 2911869 3033126 3251561 3333879 3875661 4885938 5679942 5823738 6243143 6503122 6667758 7328907 7751322 8519913 9754683 10001637 11626983 12486286 14657814 17039826 18729429 19509366 20003274 21443839 21986721 23253966 25559739 29264049 34880949 37458858 42887678 43973442 51119478 56188287 58528098 64331517 65960163 69761898 74785903 76679217 87792147 112376574 128663034 131920326 149571806 153358434 168564861 175584294 192994551 224357709 230037651 263376441 337129722 385989102 448715418 460075302 493208297 505694583 526752882 578983653 673073127 790129323 986416594 1011389166 1157967306 1346146254 1479624891 1517083749 1580258646 1694063281 1736950959 2019219381 2959249782 3034167498 3388126562 3473901918 4038438762 4438874673 5082189843 5210852877 6057658143 8877749346 10164379686 10421705754 12115316286 13316624019 15246569529 18172974429 26633248038 30493139058 36345948858 38963455463 39949872057 45739708587 77926910926 79899744114 91479417174 116890366389 119849616171 137219125761 233780732778 239699232342 274438251522 350671099167 411657377283 701342198334 823314754566 1052013297501 2104026595002 3156039892503 6312079785006 9468119677509 18936239355018
• Sum of all divisors σ(n): 45053599447584
• Sum of proper divisors (its aliquot sum) s(n): 26117360092566
• 18936239355018 is an abundant number, because the sum of its proper divisors (26117360092566) is greater than itself. Its abundance is 7181120737548

Bases of 18936239355018

• Binary: 100010011100011101111110100011111010010001010₂
• Hexadecimal: 0x1138EFD1F48A
• Base-36: 6PN6RZQMI

Squares and roots of 18936239355018

• 18936239355018 squared (18936239355018²) is 358581160910532520641780324
• 18936239355018 cubed (18936239355018³) is 6790178691202068012280620013965003065832
• The square root of 18936239355018 is 4351578.9496478173
• The cube root of 18936239355018 is 26654.1340864063

Scales and comparisons

• 18,936,239,355,018 seconds is equal to 602,113 years, 43 weeks, 3 days, 23 hours, 30 minutes, 18 seconds.
• To count from 1 to 18,936,239,355,018 would take you about one million, five hundred five thousand, two hundred eighty-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 18936239355018 cubic inches would be around 2221.2 feet tall.

Recreational maths with 18936239355018

• 18936239355018 backwards is 81055393263981
• The number of decimal digits it has is: 14
• The sum of 18936239355018's digits is 63
• More coming soon!