18942320688

Names of 18942320688

• Cardinal: 18942320688 can be written as Eighteen billion, nine hundred forty-two million, three hundred twenty thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8942320688 × 10¹⁰

Factors of 18942320688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 469275

Divisors of 18942320688

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 841 1392 1682 2523 3364 5046 6728 10092 13456 20184 40368 469241 938482 1407723 1876964 2815446 3753928 5630892 7507856 11261784 13607989 22523568 27215978 40823967 54431956 81647934 108863912 163295868 217727824 326591736 394631681 653183472 789263362 1183895043 1578526724 2367790086 3157053448 4735580172 6314106896 9471160344 18942320688
• Sum of all divisors σ(n): 50680012968
• Sum of proper divisors (its aliquot sum) s(n): 31737692280
• 18942320688 is an abundant number, because the sum of its proper divisors (31737692280) is greater than itself. Its abundance is 12795371592

Bases of 18942320688

• Binary: 10001101001000011001110000000110000₂
• Hexadecimal: 0x4690CE030
• Base-36: 8P9RO6O

Squares and roots of 18942320688

• 18942320688 squared (18942320688²) is 358811513047032793344
• 18942320688 cubed (18942320688³) is 6796722746683391198374479900672
• The square root of 18942320688 is 137631.1036357697
• The cube root of 18942320688 is 2665.6987087169

Scales and comparisons

• 18,942,320,688 seconds is equal to 602 years, 15 weeks, 6 days, 19 hours, 44 minutes, 48 seconds.
• To count from 1 to 18,942,320,688 would take you about one thousand, two hundred four 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 18942320688 cubic inches would be around 222.1 feet tall.

Recreational maths with 18942320688

• 18942320688 backwards is 88602324981
• The number of decimal digits it has is: 11
• The sum of 18942320688's digits is 51
• More coming soon!