389906999055

Names of 389906999055

• Cardinal: 389906999055 can be written as Three hundred eighty-nine billion, nine hundred six million, nine hundred ninety-nine thousand and fifty-five.

Scientific notation

• Scientific notation: 3.89906999055 × 10¹¹

Factors of 389906999055

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19647634

Divisors of 389906999055

• Number of divisors d(n): 60
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 81 105 135 147 189 245 315 405 441 567 735 945 1323 2205 2835 3969 6615 19845 19647619 58942857 98238095 137533333 176828571 294714285 412599999 530485713 687666665 884142855 962733331 1237799997 1591457139 2062999995 2652428565 2888199993 3713399991 4813666655 6188999985 7957285695 8664599979 11140199973 14440999965 18566999955 25993799937 43322999895 55700999865 77981399811 129968999685 389906999055
• Sum of all divisors σ(n): 813057810840
• Sum of proper divisors (its aliquot sum) s(n): 423150811785
• 389906999055 is an abundant number, because the sum of its proper divisors (423150811785) is greater than itself. Its abundance is 33243812730

Bases of 389906999055

• Binary: 101101011001000010001001010011100001111₂
• Hexadecimal: 0x5AC844A70F
• Base-36: 4Z4CK5XR

Squares and roots of 389906999055

• 389906999055 squared (389906999055²) is 152027467912075770893025
• 389906999055 cubed (389906999055³) is 59276573787527770424675095181091375
• The square root of 389906999055 is 624425.3350521581
• The cube root of 389906999055 is 7305.5627772473

Scales and comparisons

• 389,906,999,055 seconds is equal to 12,397 years, 43 weeks, 3 days, 11 hours, 44 minutes, 15 seconds.
• To count from 1 to 389,906,999,055 would take you about twenty-four thousand, seven hundred ninety-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 389906999055 cubic inches would be around 608.8 feet tall.

Recreational maths with 389906999055

• 389906999055 backwards is 550999609983
• The number of decimal digits it has is: 12
• The sum of 389906999055's digits is 72
• More coming soon!