18972710722

Names of 18972710722

• Cardinal: 18972710722 can be written as Eighteen billion, nine hundred seventy-two million, seven hundred ten thousand, seven hundred twenty-two.

Scientific notation

• Scientific notation: 1.8972710722 × 10¹⁰

Factors of 18972710722

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 103

Divisors of 18972710722

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 14 41 49 53 82 98 106 287 371 574 742 1681 2009 2173 2597 2809 3362 4018 4346 5194 5618 11767 15211 19663 23534 30422 39326 68921 82369 89093 106477 115169 137641 137842 164738 178186 212954 230338 275282 482447 623651 806183 964894 1247302 1612366 3377129 3652813 4365557 4721929 5643281 6754258 7305626 8731114 9443858 11286562 25569691 33053503 51139382 66107006 178987837 193599089 231374521 357975674 387198178 462749042 1355193623 2710387246 9486355361 18972710722
• Sum of all divisors σ(n): 34585395012
• Sum of proper divisors (its aliquot sum) s(n): 15612684290
• 18972710722 is a deficient number, because the sum of its proper divisors (15612684290) is less than itself. Its deficiency is 3360026432

Bases of 18972710722

• Binary: 10001101010110111001001011101000010₂
• Hexadecimal: 0x46ADC9742
• Base-36: 8PRV1AA

Squares and roots of 18972710722

• 18972710722 squared (18972710722²) is 359963752140693761284
• 18972710722 cubed (18972710722³) is 6829488139771090977231455287048
• The square root of 18972710722 is 137741.4633362083
• The cube root of 18972710722 is 2667.1235146007

Scales and comparisons

• 18,972,710,722 seconds is equal to 603 years, 14 weeks, 1 day, 13 hours, 25 minutes, 22 seconds.
• To count from 1 to 18,972,710,722 would take you about one thousand, two hundred six 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 18972710722 cubic inches would be around 222.3 feet tall.

Recreational maths with 18972710722

• 18972710722 backwards is 22701727981
• The number of decimal digits it has is: 11
• The sum of 18972710722's digits is 46
• More coming soon!