385381390018

Names of 385381390018

• Cardinal: 385381390018 can be written as Three hundred eighty-five billion, three hundred eighty-one million, three hundred ninety thousand and eighteen.

Scientific notation

• Scientific notation: 3.85381390018 × 10¹¹

Factors of 385381390018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1435

Divisors of 385381390018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 41 82 127 149 254 298 307 614 809 1618 5207 6109 10414 12218 12587 18923 25174 33169 37846 38989 45743 66338 77978 91486 102743 120541 205486 241082 248363 496726 775843 1551686 1598549 1875463 3197098 3750926 4212463 4942181 5809361 8424926 9884362 10182883 11618722 15308707 20365766 30617414 31542101 37006087 63084202 74012174 238183801 476367602 627656987 1255313974 1293226141 1517249567 2586452282 3034499134 4699773049 9399546098 192690695009 385381390018
• Sum of all divisors σ(n): 603542016000
• Sum of proper divisors (its aliquot sum) s(n): 218160625982
• 385381390018 is a deficient number, because the sum of its proper divisors (218160625982) is less than itself. Its deficiency is 167220764036

Bases of 385381390018

• Binary: 101100110111010100001010101011011000010₂
• Hexadecimal: 0x59BA8556C2
• Base-36: 4X1I4NNM

Squares and roots of 385381390018

• 385381390018 squared (385381390018²) is 148518815772205830040324
• 385381390018 cubed (385381390018³) is 57236387666119944830943524111085832
• The square root of 385381390018 is 620790.9390591973
• The cube root of 385381390018 is 7277.1877472577

Scales and comparisons

• 385,381,390,018 seconds is equal to 12,253 years, 48 weeks, 4 days, 18 hours, 6 minutes, 58 seconds.
• To count from 1 to 385,381,390,018 would take you about twenty-four thousand, five hundred seven 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 385381390018 cubic inches would be around 606.4 feet tall.

Recreational maths with 385381390018

• 385381390018 backwards is 810093183583
• The number of decimal digits it has is: 12
• The sum of 385381390018's digits is 49
• More coming soon!