385688616138

Names of 385688616138

• Cardinal: 385688616138 can be written as Three hundred eighty-five billion, six hundred eighty-eight million, six hundred sixteen thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 3.85688616138 × 10¹¹

Factors of 385688616138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 30809

Divisors of 385688616138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 41 42 63 82 123 126 246 287 369 574 738 861 1722 2583 2657 5166 5314 7971 15942 18599 23913 28099 37198 47826 55797 56198 84297 108937 111594 167391 168594 196693 217874 252891 326811 334782 393386 505782 590079 653622 762559 980433 1152059 1180158 1525118 1770237 1960866 2287677 2304118 3456177 3540474 4575354 6863031 6912354 8064413 10368531 13726062 16128826 20737062 24193239 48386478 72579717 74659043 145159434 149318086 223977129 447954258 522613301 671931387 1045226602 1343862774 1567839903 3061020763 3135679806 4703519709 6122041526 9183062289 9407039418 18366124578 21427145341 27549186867 42854290682 55098373734 64281436023 128562872046 192844308069 385688616138
• Sum of all divisors σ(n): 978735139200
• Sum of proper divisors (its aliquot sum) s(n): 593046523062
• 385688616138 is an abundant number, because the sum of its proper divisors (593046523062) is greater than itself. Its abundance is 207357906924

Bases of 385688616138

• Binary: 101100111001100110101010011110011001010₂
• Hexadecimal: 0x59CCD53CCA
• Base-36: 4X6L1KUI

Squares and roots of 385688616138

• 385688616138 squared (385688616138²) is 148755708618445514035044
• 385688616138 cubed (385688616138³) is 57373383399675810168930176795940072
• The square root of 385688616138 is 621038.3370920027
• The cube root of 385688616138 is 7279.1210254471

Scales and comparisons

• 385,688,616,138 seconds is equal to 12,263 years, 36 weeks, 4 days, 14 hours, 42 minutes, 18 seconds.
• To count from 1 to 385,688,616,138 would take you about twenty-four thousand, five hundred twenty-seven 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 385688616138 cubic inches would be around 606.6 feet tall.

Recreational maths with 385688616138

• 385688616138 backwards is 831616886583
• 385688616138 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 385688616138's digits is 63
• More coming soon!