400065220989

Names of 400065220989

• Cardinal: 400065220989 can be written as Four hundred billion, sixty-five million, two hundred twenty thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 4.00065220989 × 10¹¹

Factors of 400065220989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1260825

Divisors of 400065220989

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 9 21 23 27 63 69 73 161 189 207 219 483 511 621 657 1449 1533 1679 1971 4347 4599 5037 11753 13797 15111 35259 45333 105777 317331 1260719 3782157 8825033 11346471 26475099 28996537 34039413 79425297 86989611 92032487 202975759 238275891 260968833 276097461 608927277 644227409 782906499 828292383 1826781831 1932682227 2116747201 2484877149 5480345493 5798046681 6350241603 14817230407 17394140043 19050724809 44451691221 57152174427 133355073663 400065220989
• Sum of all divisors σ(n): 716492390400
• Sum of proper divisors (its aliquot sum) s(n): 316427169411
• 400065220989 is a deficient number, because the sum of its proper divisors (316427169411) is less than itself. Its deficiency is 83638051578

Bases of 400065220989

• Binary: 101110100100101101111101101000101111101₂
• Hexadecimal: 0x5D25BED17D
• Base-36: 53SCI459

Squares and roots of 400065220989

• 400065220989 squared (400065220989²) is 160052181044977406138121
• 400065220989 cubed (400065220989³) is 64031311179530322935159382922221669
• The square root of 400065220989 is 632507.0916511529
• The cube root of 400065220989 is 7368.4634358139

Scales and comparisons

• 400,065,220,989 seconds is equal to 12,720 years, 43 weeks, 3 days, 12 hours, 3 minutes, 9 seconds.
• To count from 1 to 400,065,220,989 would take you about twenty-five thousand, four hundred forty-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 400065220989 cubic inches would be around 614 feet tall.

Recreational maths with 400065220989

• 400065220989 backwards is 989022560004
• The number of decimal digits it has is: 12
• The sum of 400065220989's digits is 45
• More coming soon!