438169812494700385

Names of 438169812494700385

• Cardinal: 438169812494700385 can be written as Four hundred thirty-eight quadrillion, one hundred sixty-nine trillion, eight hundred twelve billion, four hundred ninety-four million, seven hundred thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 4.38169812494700385 × 10¹⁷

Factors of 438169812494700385

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 1632951968

Divisors of 438169812494700385

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 11 55 4893389 24466945 53827279 269136395 1628058563 8140292815 17908644193 89543220965 7966723863540007 39833619317700035 87633962498940077 438169812494700385
• Sum of all divisors σ(n): 573604235747421120
• Sum of proper divisors (its aliquot sum) s(n): 135434423252720735
• 438169812494700385 is a deficient number, because the sum of its proper divisors (135434423252720735) is less than itself. Its deficiency is 302735389241979650

Bases of 438169812494700385

• Binary: 11000010100101100010001111101111001000010111100111101100001₂
• Hexadecimal: 0x614B11F790BCF61
• Base-36: 3BUE8GZI1I01

Squares and roots of 438169812494700385

• 438169812494700385 squared (438169812494700385²) is 191992784581640893628283710919148225
• 438169812494700385 cubed (438169812494700385³) is 84125442420472993462376885505761523629315030779566625
• The square root of 438169812494700385 is 661943964.7694511499
• The cube root of 438169812494700385 is 759534.4635644503

Scales and comparisons

• 438,169,812,494,700,385 seconds is equal to 13,932,444,689 years, 5 weeks, 5 days, 19 hours, 26 minutes, 25 seconds.
• To count from 1 to 438,169,812,494,700,385 would take you about forty-one billion, seven hundred ninety-seven million, three hundred thirty-four thousand and sixty-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 438169812494700385 cubic inches would be around 63294.5 feet tall.

Recreational maths with 438169812494700385

• 438169812494700385 backwards is 583007494218961834
• The number of decimal digits it has is: 18
• The sum of 438169812494700385's digits is 82
• More coming soon!