18120769625

Names of 18120769625

• Cardinal: 18120769625 can be written as Eighteen billion, one hundred twenty million, seven hundred sixty-nine thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8120769625 × 10¹⁰

Factors of 18120769625

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 411

Divisors of 18120769625

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 7 17 25 29 35 49 85 119 125 145 175 203 245 289 353 425 493 595 725 833 875 1015 1225 1421 1445 1765 2023 2125 2465 2471 2975 3451 3625 4165 5075 6001 6125 7105 7225 8381 8825 10115 10237 12325 12355 14161 14875 17255 17297 20825 24157 25375 30005 35525 36125 41905 42007 44125 50575 51185 58667 61625 61775 70805 71659 86275 86485 102017 104125 120785 150025 174029 177625 209525 210035 252875 255925 293335 294049 308875 354025 358295 410669 431375 432425 501613 510085 603925 714119 750125 870145 1047625 1050175 1218203 1279625 1466675 1470245 1770125 1791475 2053345 2162125 2508065 2550425 2958493 3019625 3570595 4350725 4998833 5250875 6091015 7333375 7351225 8527421 8957375 10266725 12540325 12752125 14792465 17852975 20709451 21753625 24994165 30455075 36756125 42637105 51333625 62701625 73962325 89264875 103547255 124970825 144966157 152275375 213185525 369811625 517736275 624854125 724830785 1065927625 2588681375 3624153925 18120769625
• Sum of all divisors σ(n): 28990943280
• Sum of proper divisors (its aliquot sum) s(n): 10870173655
• 18120769625 is a deficient number, because the sum of its proper divisors (10870173655) is less than itself. Its deficiency is 7250595970

Bases of 18120769625

• Binary: 10000111000000101010000000001011001₂
• Hexadecimal: 0x438150059
• Base-36: 8BOMZBT

Squares and roots of 18120769625

• 18120769625 squared (18120769625²) is 328362291802322640625
• 18120769625 cubed (18120769625³) is 5950177443286914610687291015625
• The square root of 18120769625 is 134613.4080431811
• The cube root of 18120769625 is 2626.5895557765

Scales and comparisons

• 18,120,769,625 seconds is equal to 576 years, 9 weeks, 4 days, 3 hours, 7 minutes, 5 seconds.
• To count from 1 to 18,120,769,625 would take you about one thousand, one hundred fifty-two 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 18120769625 cubic inches would be around 218.9 feet tall.

Recreational maths with 18120769625

• 18120769625 backwards is 52696702181
• The number of decimal digits it has is: 11
• The sum of 18120769625's digits is 47
• More coming soon!