1664211843

Names of 1664211843

• Cardinal: 1664211843 can be written as One billion, six hundred sixty-four million, two hundred eleven thousand, eight hundred forty-three.

Scientific notation

• Scientific notation: 1.664211843 × 10⁹

Factors of 1664211843

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 252

Divisors of 1664211843

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 31 43 49 57 63 93 129 133 147 149 171 217 279 301 387 399 441 447 589 651 817 903 931 1043 1197 1333 1341 1519 1767 1953 2107 2451 2709 2793 2831 3129 3999 4123 4557 4619 5301 5719 6321 6407 7301 7353 8379 8493 9331 9387 11997 12369 13671 13857 17157 18963 19221 19817 21903 25327 25479 27993 28861 32333 37107 40033 41571 44849 51471 57663 59451 65317 65709 75981 83979 86583 87761 96999 120099 121733 134547 138719 177289 178353 195951 198617 226331 227943 259749 263283 290997 313943 360297 365199 403641 416157 531867 587853 595851 614327 678993 789849 852131 941829 1095597 1241023 1248471 1390319 1595601 1787553 1842981 2036979 2556393 2825487 3723069 3773723 4170957 4300289 5528943 5964917 7669179 9732233 11169207 11321169 12512871 12900867 17894751 26416061 29196699 33963507 38702601 53684253 79248183 87590097 184912427 237744549 554737281 1664211843
• Sum of all divisors σ(n): 3129984000
• Sum of proper divisors (its aliquot sum) s(n): 1465772157
• 1664211843 is a deficient number, because the sum of its proper divisors (1465772157) is less than itself. Its deficiency is 198439686

Bases of 1664211843

• Binary: 1100011001100011101101110000011₂
• Hexadecimal: 0x6331DB83
• Base-36: RITU2R

Squares and roots of 1664211843

• 1664211843 squared (1664211843²) is 2769601058381456649
• 1664211843 cubed (1664211843³) is 4609202881743754566856894107
• The square root of 1664211843 is 40794.7526405051
• The cube root of 1664211843 is 1185.0487124129

Scales and comparisons

• 1,664,211,843 seconds is equal to 52 years, 47 weeks, 4 days, 17 hours, 4 minutes, 3 seconds.
• To count from 1 to 1,664,211,843 would take you about one hundred five 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 1664211843 cubic inches would be around 98.8 feet tall.

Recreational maths with 1664211843

• 1664211843 backwards is 3481124661
• The number of decimal digits it has is: 10
• The sum of 1664211843's digits is 36
• More coming soon!