20420832864

Names of 20420832864

• Cardinal: 20420832864 can be written as Twenty billion, four hundred twenty million, eight hundred thirty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 2.0420832864 × 10¹⁰

Factors of 20420832864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 68076

Divisors of 20420832864

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 31 32 48 62 93 96 101 124 186 202 248 303 372 404 496 606 744 808 992 1212 1488 1616 2424 2976 3131 3232 4848 6262 9393 9696 12524 18786 25048 37572 50096 67939 75144 100192 135878 150288 203817 271756 300576 407634 543512 815268 1087024 1630536 2106109 2174048 3261072 4212218 6318327 6522144 6861839 8424436 12636654 13723678 16848872 20585517 25273308 27447356 33697744 41171034 50546616 54894712 67395488 82342068 101093232 109789424 164684136 202186464 212717009 219578848 329368272 425434018 638151027 658736544 850868036 1276302054 1701736072 2552604108 3403472144 5105208216 6806944288 10210416432 20420832864
• Sum of all divisors σ(n): 55882552320
• Sum of proper divisors (its aliquot sum) s(n): 35461719456
• 20420832864 is an abundant number, because the sum of its proper divisors (35461719456) is greater than itself. Its abundance is 15040886592

Bases of 20420832864

• Binary: 10011000001001011010010111001100000₂
• Hexadecimal: 0x4C12D2E60
• Base-36: 9DQ1BHC

Squares and roots of 20420832864

• 20420832864 squared (20420832864²) is 417010414859422442496
• 20420832864 cubed (20420832864³) is 8515699984391567753781466988544
• The square root of 20420832864 is 142901.4795724663
• The cube root of 20420832864 is 2733.3242238575

Scales and comparisons

• 20,420,832,864 seconds is equal to 649 years, 16 weeks, 4 days, 5 hours, 34 minutes, 24 seconds.
• To count from 1 to 20,420,832,864 would take you about one thousand, two hundred ninety-eight 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 20420832864 cubic inches would be around 227.8 feet tall.

Recreational maths with 20420832864

• 20420832864 backwards is 46823802402
• The number of decimal digits it has is: 11
• The sum of 20420832864's digits is 39
• More coming soon!