398341145665

Names of 398341145665

• Cardinal: 398341145665 can be written as Three hundred ninety-eight billion, three hundred forty-one million, one hundred forty-five thousand, six hundred sixty-five.

Scientific notation

• Scientific notation: 3.98341145665 × 10¹¹

Factors of 398341145665

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 720119

Divisors of 398341145665

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 136511 583603 682555 2918015 79668229133 398341145665
• Sum of all divisors σ(n): 478013695488
• Sum of proper divisors (its aliquot sum) s(n): 79672549823
• 398341145665 is a deficient number, because the sum of its proper divisors (79672549823) is less than itself. Its deficiency is 318668595842

Bases of 398341145665

• Binary: 101110010111110111110111000010001000001₂
• Hexadecimal: 0x5CBEFB8441
• Base-36: 52ZU1741

Squares and roots of 398341145665

• 398341145665 squared (398341145665²) is 158675668329704748292225
• 398341145665 cubed (398341145665³) is 63207047511614146385915358711954625
• The square root of 398341145665 is 631142.7300262595
• The cube root of 398341145665 is 7357.8634318957

Scales and comparisons

• 398,341,145,665 seconds is equal to 12,666 years, 5 days, 22 hours, 14 minutes, 25 seconds.
• To count from 1 to 398,341,145,665 would take you about twenty-five thousand, three hundred thirty-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 398341145665 cubic inches would be around 613.2 feet tall.

Recreational maths with 398341145665

• 398341145665 backwards is 566541143893
• The number of decimal digits it has is: 12
• The sum of 398341145665's digits is 55
• More coming soon!