640355146050

Names of 640355146050

• Cardinal: 640355146050 can be written as Six hundred forty billion, three hundred fifty-five million, one hundred forty-six thousand and fifty.

Scientific notation

• Scientific notation: 6.4035514605 × 10¹¹

Factors of 640355146050

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 184798

Divisors of 640355146050

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 5 6 10 15 25 30 50 75 150 27067 54134 81201 135335 157721 162402 270670 315442 406005 473163 676675 788605 812010 946326 1353350 1577210 2030025 2365815 3943025 4060050 4731630 7886050 11829075 23658150 4269034307 8538068614 12807102921 21345171535 25614205842 42690343070 64035514605 106725857675 128071029210 213451715350 320177573025 640355146050
• Sum of all divisors σ(n): 1588149503712
• Sum of proper divisors (its aliquot sum) s(n): 947794357662
• 640355146050 is an abundant number, because the sum of its proper divisors (947794357662) is greater than itself. Its abundance is 307439211612

Bases of 640355146050

• Binary: 1001010100011000001001000001100101000010₂
• Hexadecimal: 0x9518241942
• Base-36: 866AX4XU

Squares and roots of 640355146050

• 640355146050 squared (640355146050²) is 410054713072716830602500
• 640355146050 cubed (640355146050³) is 262580645678170430330756996995125000
• The square root of 640355146050 is 800221.9354966471
• The cube root of 640355146050 is 8619.3325048869

Scales and comparisons

• 640,355,146,050 seconds is equal to 20,361 years, 16 weeks, 1 day, 21 hours, 27 minutes, 30 seconds.
• To count from 1 to 640,355,146,050 would take you about forty thousand, seven hundred twenty-two 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 640355146050 cubic inches would be around 718.3 feet tall.

Recreational maths with 640355146050

• 640355146050 backwards is 050641553046
• The number of decimal digits it has is: 12
• The sum of 640355146050's digits is 39
• More coming soon!