38138990904

Names of 38138990904

• Cardinal: 38138990904 can be written as Thirty-eight billion, one hundred thirty-eight million, nine hundred ninety thousand, nine hundred four.

Scientific notation

• Scientific notation: 3.8138990904 × 10¹⁰

Factors of 38138990904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8711

Divisors of 38138990904

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 8699 17398 26097 34796 52194 60893 69592 78291 104388 121786 156582 182679 208776 243572 313164 365358 487144 548037 626328 730716 1096074 1461432 2192148 4384296 75672601 151345202 227017803 302690404 454035606 529708207 605380808 681053409 908071212 1059416414 1362106818 1589124621 1816142424 2118832828 2724213636 3178249242 4237665656 4767373863 5448427272 6356498484 9534747726 12712996968 19069495452 38138990904
• Sum of all divisors σ(n): 118062829560
• Sum of proper divisors (its aliquot sum) s(n): 79923838656
• 38138990904 is an abundant number, because the sum of its proper divisors (79923838656) is greater than itself. Its abundance is 41784847752

Bases of 38138990904

• Binary: 100011100001010000101101000100111000₂
• Hexadecimal: 0x8E142D138
• Base-36: HIQYXQ0

Squares and roots of 38138990904

• 38138990904 squared (38138990904²) is 1454582627175394737216
• 38138990904 cubed (38138990904³) is 55476313586958803095290494283264
• The square root of 38138990904 is 195292.0656452791
• The cube root of 38138990904 is 3366.0694018395

Scales and comparisons

• 38,138,990,904 seconds is equal to 1,212 years, 36 weeks, 3 days, 12 hours, 8 minutes, 24 seconds.
• To count from 1 to 38,138,990,904 would take you about two thousand, four hundred twenty-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 38138990904 cubic inches would be around 280.5 feet tall.

Recreational maths with 38138990904

• 38138990904 backwards is 40909983183
• The number of decimal digits it has is: 11
• The sum of 38138990904's digits is 54
• More coming soon!