38649664940628028

Names of 38649664940628028

• Cardinal: 38649664940628028 can be written as Thirty-eight quadrillion, six hundred forty-nine trillion, six hundred sixty-four billion, nine hundred forty million, six hundred twenty-eight thousand and twenty-eight.

Scientific notation

• Scientific notation: 3.8649664940628028 × 10¹⁶

Factors of 38649664940628028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 162718988672

Divisors of 38649664940628028

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 17 28 34 68 119 238 476 499 998 1996 3493 6986 8483 13972 16966 33932 59381 118762 237524 162718988147 325437976294 650875952588 1139032917029 2278065834058 2766222798499 4556131668116 5532445596998 11064891193996 19363559589493 38727119178986 77454238357972 81196775085353 162393550170706 324787100341412 568377425597471 1136754851194942 1380345176451001 2273509702389884 2760690352902002 5521380705804004 9662416235157007 19324832470314014 38649664940628028
• Sum of all divisors σ(n): 82010370026592000
• Sum of proper divisors (its aliquot sum) s(n): 43360705085963972
• 38649664940628028 is an abundant number, because the sum of its proper divisors (43360705085963972) is greater than itself. Its abundance is 4711040145335944

Bases of 38649664940628028

• Binary: 10001001010011111010101001011101011110010101100000111100₂
• Hexadecimal: 0x894FAA5D79583C
• Base-36: AKK5UYGVFI4

Squares and roots of 38649664940628028

• 38649664940628028 squared (38649664940628028²) is 1493796600022811347146271059168784
• 38649664940628028 cubed (38649664940628028³) is 57734738080331001015152527772017994827980613077952
• The square root of 38649664940628028 is 196595180.3596111253
• The cube root of 38649664940628028 is 338102.6523771071

Scales and comparisons

• 38,649,664,940,628,028 seconds is equal to 1,228,939,793 years, 44 weeks, 23 hours, 20 minutes, 28 seconds.
• To count from 1 to 38,649,664,940,628,028 would take you about three billion, six hundred eighty-six million, eight hundred nineteen thousand, three hundred eighty-one 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 38649664940628028 cubic inches would be around 28175.2 feet tall.

Recreational maths with 38649664940628028

• 38649664940628028 backwards is 82082604946694683
• The number of decimal digits it has is: 17
• The sum of 38649664940628028's digits is 85
• More coming soon!