18189238965975

Names of 18189238965975

• Cardinal: 18189238965975 can be written as Eighteen trillion, one hundred eighty-nine billion, two hundred thirty-eight million, nine hundred sixty-five thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 1.8189238965975 × 10¹³

Factors of 18189238965975

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 483

Divisors of 18189238965975

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 11 15 21 25 33 35 45 55 63 75 77 99 105 121 165 175 225 231 275 315 363 385 457 495 525 605 693 825 847 1089 1155 1371 1575 1815 1925 2285 2475 2541 3025 3199 3465 4113 4235 5027 5445 5775 6855 7623 9075 9597 11425 12705 15081 15995 17325 20565 21175 25135 27225 28791 34275 35189 38115 45243 47985 55297 63525 75405 79975 102825 105567 125675 143955 165891 175945 190575 208849 226215 239925 276485 316701 377025 387079 497673 527835 626547 719775 829455 879725 1044245 1131075 1161237 1382425 1461943 1583505 1879641 1935395 2297339 2488365 2639175 3132735 3483711 4147275 4385829 5221225 5806185 6892017 7309715 7917525 9398205 9676975 11486695 12441825 13157487 15663675 16081373 17418555 20676051 21929145 25270729 29030925 34460085 36548575 46991025 48244119 57433475 65787435 75812187 80406865 87092775 95443993 103380255 109645725 126353645 144732357 172300425 176895103 227436561 241220595 286331979 328937175 379060935 402034325 477219965 516901275 530685309 631768225 668107951 723661785 858995937 884475515 1049883923 1137182805 1206102975 1431659895 1592055927 1895304675 2004323853 2386099825 2653426545 3149651769 3340539755 3618308925 4294979685 4422377575 5249419615 5685914025 6012971559 7158299475 7349187461 7960279635 9448955307 10021619265 11548723153 13267132725 15748258845 16702698775 21474898425 22047562383 26247098075 30064857795 34646169459 36745937305 39801398175 47244776535 50108096325 57743615765 66142687149 78741294225 80841062071 103938508377 110237811915 150324288975 173230847295 183729686525 236223882675 242523186213 288718078825 330713435745 404205310355 519692541885 551189059575 727569558639 866154236475 1212615931065 1653567178725 2021026551775 2598462709425 3637847793195 6063079655325 18189238965975
• Sum of all divisors σ(n): 41015369813600
• Sum of proper divisors (its aliquot sum) s(n): 22826130847625
• 18189238965975 is an abundant number, because the sum of its proper divisors (22826130847625) is greater than itself. Its abundance is 4636891881650

Bases of 18189238965975

• Binary: 100001000101100000011001000001001011011010111₂
• Hexadecimal: 0x108B032096D7
• Base-36: 6G40R8XJR

Squares and roots of 18189238965975

• 18189238965975 squared (18189238965975²) is 330848414161343287207700625
• 18189238965975 cubed (18189238965975³) is 6017880866694540320226803961332361234375
• The square root of 18189238965975 is 4264884.4024164359
• The cube root of 18189238965975 is 26298.9358800589

Scales and comparisons

• 18,189,238,965,975 seconds is equal to 578,361 years, 27 weeks, 6 days, 3 hours, 26 minutes, 15 seconds.
• To count from 1 to 18,189,238,965,975 would take you about one million, four hundred forty-five thousand, nine hundred three 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 18189238965975 cubic inches would be around 2191.6 feet tall.

Recreational maths with 18189238965975

• 18189238965975 backwards is 57956983298181
• The number of decimal digits it has is: 14
• The sum of 18189238965975's digits is 81
• More coming soon!