18423792189

Names of 18423792189

• Cardinal: 18423792189 can be written as Eighteen billion, four hundred twenty-three million, seven hundred ninety-two thousand, one hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8423792189 × 10¹⁰

Factors of 18423792189

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 752

Divisors of 18423792189

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 11 23 33 69 89 99 207 229 253 267 397 687 759 801 979 1191 2047 2061 2277 2519 2937 3573 4367 5267 6141 7557 8811 9131 13101 15801 18423 20381 22517 22671 27393 35333 39303 47403 57937 61143 67551 82179 90913 100441 105999 173811 183429 202653 224191 272739 301323 317997 388663 468763 521433 672573 812659 818217 903969 1000043 1165989 1406289 2017719 2090999 2437977 3000129 3497967 4218867 5156393 6272997 7313931 8091257 8939249 9000387 15469179 18818991 23000989 24273771 26817747 46407537 69002967 72821313 80453241 89003827 186098911 207008901 267011481 558296733 801034443 1674890199 2047088021 6141264063 18423792189
• Sum of all divisors σ(n): 30845318400
• Sum of proper divisors (its aliquot sum) s(n): 12421526211
• 18423792189 is a deficient number, because the sum of its proper divisors (12421526211) is less than itself. Its deficiency is 6002265978

Bases of 18423792189

• Binary: 10001001010001001001100001000111101₂
• Hexadecimal: 0x44A24C23D
• Base-36: 8GP1T19

Squares and roots of 18423792189

• 18423792189 squared (18423792189²) is 339436118623457411721
• 18423792189 cubed (18423792189³) is 6253700510959332094239516847269
• The square root of 18423792189 is 135734.2705030677
• The cube root of 18423792189 is 2641.1496460689

Scales and comparisons

• 18,423,792,189 seconds is equal to 585 years, 42 weeks, 4 days, 8 hours, 3 minutes, 9 seconds.
• To count from 1 to 18,423,792,189 would take you about one thousand, one hundred seventy-one 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 18423792189 cubic inches would be around 220.1 feet tall.

Recreational maths with 18423792189

• 18423792189 backwards is 98129732481
• The number of decimal digits it has is: 11
• The sum of 18423792189's digits is 54
• More coming soon!