398225613864

Names of 398225613864

• Cardinal: 398225613864 can be written as Three hundred ninety-eight billion, two hundred twenty-five million, six hundred thirteen thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 3.98225613864 × 10¹¹

Factors of 398225613864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 41173086

Divisors of 398225613864

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 31 39 52 62 78 93 104 124 156 186 248 312 372 403 744 806 1209 1612 2418 3224 4836 9672 41173037 82346074 123519111 164692148 247038222 329384296 494076444 535249481 988152888 1070498962 1276364147 1605748443 2140997924 2552728294 3211496886 3829092441 4281995848 5105456588 6422993772 7658184882 10210913176 12845987544 15316369764 16592733911 30632739528 33185467822 49778201733 66370935644 99556403466 132741871288 199112806932 398225613864
• Sum of all divisors σ(n): 1106731261440
• Sum of proper divisors (its aliquot sum) s(n): 708505647576
• 398225613864 is an abundant number, because the sum of its proper divisors (708505647576) is greater than itself. Its abundance is 310280033712

Bases of 398225613864

• Binary: 101110010111000000110001010010000101000₂
• Hexadecimal: 0x5CB818A428
• Base-36: 52XX8Y7C

Squares and roots of 398225613864

• 398225613864 squared (398225613864²) is 158583639537359629010496
• 398225613864 cubed (398225613864³) is 63152067203552339224436072499116544
• The square root of 398225613864 is 631051.1974982695
• The cube root of 398225613864 is 7357.1520237483

Scales and comparisons

• 398,225,613,864 seconds is equal to 12,662 years, 17 weeks, 5 days, 18 hours, 4 minutes, 24 seconds.
• To count from 1 to 398,225,613,864 would take you about twenty-five thousand, three hundred twenty-four 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 398225613864 cubic inches would be around 613.1 feet tall.

Recreational maths with 398225613864

• 398225613864 backwards is 468316522893
• The number of decimal digits it has is: 12
• The sum of 398225613864's digits is 57
• More coming soon!