18018923713

Names of 18018923713

• Cardinal: 18018923713 can be written as Eighteen billion, eighteen million, nine hundred twenty-three thousand, seven hundred thirteen.

Scientific notation

• Scientific notation: 1.8018923713 × 10¹⁰

Factors of 18018923713

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 142

Divisors of 18018923713

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 17 29 49 89 119 203 289 493 623 833 841 1421 1513 2023 2581 3451 4361 4913 5887 8381 10591 14161 14297 18067 24157 25721 34391 41209 43877 58667 74137 74849 100079 126469 142477 180047 240737 243049 307139 410669 437257 523943 700553 745909 997339 1260329 1272433 1701343 2149973 3060799 3667601 4131833 5221363 6981373 8907031 11909401 12680453 21425593 21631361 28922831 36549541 62349217 88763171 151419527 202459817 367733137 621342197 1059936689 2574131959 18018923713
• Sum of all divisors σ(n): 23324160600
• Sum of proper divisors (its aliquot sum) s(n): 5305236887
• 18018923713 is a deficient number, because the sum of its proper divisors (5305236887) is less than itself. Its deficiency is 12713686826

Bases of 18018923713

• Binary: 10000110010000000101111010011000001₂
• Hexadecimal: 0x43202F4C1
• Base-36: 8A002IP

Squares and roots of 18018923713

• 18018923713 squared (18018923713²) is 324681611774913706369
• 18018923713 cubed (18018923713³) is 5850413193586052602221093228097
• The square root of 18018923713 is 134234.5846382369
• The cube root of 18018923713 is 2621.6594828829

Scales and comparisons

• 18,018,923,713 seconds is equal to 572 years, 49 weeks, 1 day, 8 hours, 35 minutes, 13 seconds.
• To count from 1 to 18,018,923,713 would take you about one thousand, one hundred forty-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 18018923713 cubic inches would be around 218.5 feet tall.

Recreational maths with 18018923713

• 18018923713 backwards is 31732981081
• The number of decimal digits it has is: 11
• The sum of 18018923713's digits is 43
• More coming soon!