1813223538

Names of 1813223538

• Cardinal: 1813223538 can be written as One billion, eight hundred thirteen million, two hundred twenty-three thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 1.813223538 × 10⁹

Factors of 1813223538

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 148

Divisors of 1813223538

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 42 46 49 63 69 98 113 126 138 147 161 207 226 294 322 339 343 414 441 483 678 686 791 882 966 1017 1029 1127 1449 1582 2034 2058 2254 2373 2599 2898 3087 3381 4746 5198 5537 6174 6762 7119 7797 7889 10143 11074 12769 14238 15594 15778 16611 18193 20286 23391 23667 25538 33222 36386 38307 38759 46782 47334 49833 54579 71001 76614 77518 89383 99666 109158 114921 116277 127351 142002 163737 178766 229842 232554 254702 268149 293687 327474 348831 382053 536298 587374 625681 697662 764106 804447 881061 891457 1146159 1251362 1608894 1762122 1782914 1877043 2055809 2292318 2643183 2674371 3754086 4111618 4379767 5286366 5348742 5631129 6167427 8023113 8759534 11262258 12334854 13139301 14390663 16046226 18502281 26278602 28781326 37004562 39417903 43171989 78835806 86343978 100734641 129515967 201469282 259031934 302203923 604407846 906611769 1813223538
• Sum of all divisors σ(n): 4823395200
• Sum of proper divisors (its aliquot sum) s(n): 3010171662
• 1813223538 is an abundant number, because the sum of its proper divisors (3010171662) is greater than itself. Its abundance is 1196948124

Bases of 1813223538

• Binary: 1101100000100111001100001110010₂
• Hexadecimal: 0x6C139872
• Base-36: TZJO8I

Squares and roots of 1813223538

• 1813223538 squared (1813223538²) is 3287779598757237444
• 1813223538 cubed (1813223538³) is 5961479356222818481315756872
• The square root of 1813223538 is 42581.9625898103
• The cube root of 1813223538 is 1219.4119574929

Scales and comparisons

• 1,813,223,538 seconds is equal to 57 years, 34 weeks, 9 hours, 12 minutes, 18 seconds.
• To count from 1 to 1,813,223,538 would take you about one hundred fifteen 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 1813223538 cubic inches would be around 101.6 feet tall.

Recreational maths with 1813223538

• 1813223538 backwards is 8353223181
• The number of decimal digits it has is: 10
• The sum of 1813223538's digits is 36
• More coming soon!