18038788974

Names of 18038788974

• Cardinal: 18038788974 can be written as Eighteen billion, thirty-eight million, seven hundred eighty-eight thousand, nine hundred seventy-four.

Scientific notation

• Scientific notation: 1.8038788974 × 10¹⁰

Factors of 18038788974

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1175

Divisors of 18038788974

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 18 19 29 38 57 58 59 87 114 118 171 174 177 261 342 354 522 531 551 841 1062 1063 1102 1121 1653 1682 1711 2126 2242 2523 3189 3306 3363 3422 4959 5046 5133 6378 6726 7569 9567 9918 10089 10266 15138 15399 15979 19134 20178 20197 30798 30827 31958 32509 40394 47937 49619 60591 61654 62717 65018 92481 95874 97527 99238 121182 125434 143811 148857 181773 184962 188151 195054 277443 287622 292581 297714 363546 376302 446571 554886 564453 585162 585713 893142 893983 942761 1128906 1171426 1191623 1757139 1787966 1818793 1885522 2383246 2681949 2828283 3514278 3574869 3637586 5271417 5363898 5456379 5656566 7149738 8045847 8484849 10542834 10724607 10912758 16091694 16369137 16969698 16985677 21449214 32738274 33971354 34557067 50957031 52744997 69114134 101914062 103671201 105489994 152871093 158234991 207342402 305742186 311013603 316469982 474704973 622027206 949409946 1002154943 2004309886 3006464829 6012929658 9019394487 18038788974
• Sum of all divisors σ(n): 43371619200
• Sum of proper divisors (its aliquot sum) s(n): 25332830226
• 18038788974 is an abundant number, because the sum of its proper divisors (25332830226) is greater than itself. Its abundance is 7294041252

Bases of 18038788974

• Binary: 10000110011001100100001001101101110₂
• Hexadecimal: 0x43332136E
• Base-36: 8ABTUNI

Squares and roots of 18038788974

• 18038788974 squared (18038788974²) is 325397907648503972676
• 18038788974 cubed (18038788974³) is 5869784188652503729903026074424
• The square root of 18038788974 is 134308.5588263087
• The cube root of 18038788974 is 2622.6225596945

Scales and comparisons

• 18,038,788,974 seconds is equal to 573 years, 30 weeks, 6 hours, 42 minutes, 54 seconds.
• To count from 1 to 18,038,788,974 would take you about one thousand, one hundred forty-seven 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 18038788974 cubic inches would be around 218.6 feet tall.

Recreational maths with 18038788974

• 18038788974 backwards is 47988783081
• The number of decimal digits it has is: 11
• The sum of 18038788974's digits is 63
• More coming soon!