1218109755972

Names of 1218109755972

• Cardinal: 1218109755972 can be written as One trillion, two hundred eighteen billion, one hundred nine million, seven hundred fifty-five thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.218109755972 × 10¹²

Factors of 1218109755972

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3871

Divisors of 1218109755972

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 19 38 57 76 114 228 361 722 1083 1444 2166 3847 4332 6859 7694 11541 13718 15388 20577 23082 27436 41154 46164 73093 82308 146186 219279 292372 438558 877116 1388767 2777534 4166301 5555068 8332602 14799409 16665204 26386573 29598818 44398227 52773146 59197636 79159719 88796454 105546292 158319438 177592908 281188771 316638876 562377542 843566313 1124755084 1687132626 3374265252 5342586649 10685173298 16027759947 21370346596 32055519894 64111039788 101509146331 203018292662 304527438993 406036585324 609054877986 1218109755972
• Sum of all divisors σ(n): 3000916259040
• Sum of proper divisors (its aliquot sum) s(n): 1782806503068
• 1218109755972 is an abundant number, because the sum of its proper divisors (1782806503068) is greater than itself. Its abundance is 564696747096

Bases of 1218109755972

• Binary: 10001101110011100111111111101001001000100₂
• Hexadecimal: 0x11B9CFFD244
• Base-36: FJLB3J2C

Squares and roots of 1218109755972

• 1218109755972 squared (1218109755972²) is 1483791377594165389664784
• 1218109755972 cubed (1218109755972³) is 1807420752874586511255578329122090048
• The square root of 1218109755972 is 1103680.0967544899
• The cube root of 1218109755972 is 10679.7759190385

Scales and comparisons

• 1,218,109,755,972 seconds is equal to 38,732 years, 6 weeks, 2 days, 13 hours, 6 minutes, 12 seconds.
• To count from 1 to 1,218,109,755,972 would take you about ninety-six thousand, eight hundred thirty 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 1218109755972 cubic inches would be around 890 feet tall.

Recreational maths with 1218109755972

• 1218109755972 backwards is 2795579018121
• 1218109755972 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1218109755972's digits is 57
• More coming soon!