398409859696478158797

Names of 398409859696478158797

• Cardinal: 398409859696478158797 can be written as Three hundred ninety-eight quintillion, four hundred nine quadrillion, eight hundred fifty-nine trillion, six hundred ninety-six billion, four hundred seventy-eight million, one hundred fifty-eight thousand, seven hundred ninety-seven.

Scientific notation

• Scientific notation: 3.98409859696478158797 × 10²⁰

Factors of 398409859696478158797

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 624049201705984

Divisors of 398409859696478158797

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 139 417 1531 4593 212809 638427 624049201704311 1872147605112933 86742839036899229 260228517110697687 955419327809300141 2866257983427900423 132803286565492719599 398409859696478158797
• Sum of all divisors σ(n): 535384291126163351040
• Sum of proper divisors (its aliquot sum) s(n): 136974431429685192243
• 398409859696478158797 is a deficient number, because the sum of its proper divisors (136974431429685192243) is less than itself. Its deficiency is 261435428266792966554

Bases of 398409859696478158797

• Binary: 101011001100100001100001010001000011100101101110011000111111111001101₂
• Hexadecimal: 0x15990C28872DCC7FCD
• Base-36: 2C2XJ0CSCJZ9VX

Squares and roots of 398409859696478158797

• 398409859696478158797 squared (398409859696478158797²) is 158730416303367411570866584927259148487209
• 398409859696478158797 cubed (398409859696478158797³) is 63239762888988179761194570410569715161117684907576352225327573
• The square root of 398409859696478158797 is 19960206905.1520144505
• The cube root of 398409859696478158797 is 7358286.4858502585

Scales and comparisons

• 398,409,859,696,478,158,797 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 398,409,859,696,478,158,797 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 398409859696478158797 cubic inches would be around 613190.5 feet tall.

Recreational maths with 398409859696478158797

• 398409859696478158797 backwards is 797851874696958904893
• The number of decimal digits it has is: 21
• The sum of 398409859696478158797's digits is 132
• More coming soon!