398221097220

Names of 398221097220

• Cardinal: 398221097220 can be written as Three hundred ninety-eight billion, two hundred twenty-one million, ninety-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.9822109722 × 10¹¹

Factors of 398221097220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15916260

Divisors of 398221097220

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 139 180 278 417 556 695 834 1251 1390 1668 2085 2502 2780 4170 5004 6255 8340 12510 25020 15916111 31832222 47748333 63664444 79580555 95496666 143244999 159161110 190993332 238741665 286489998 318322220 477483330 572979996 716224995 954966660 1432449990 2212339429 2864899980 4424678858 6637018287 8849357716 11061697145 13274036574 19911054861 22123394290 26548073148 33185091435 39822109722 44246788580 66370182870 79644219444 99555274305 132740365740 199110548610 398221097220
• Sum of all divisors σ(n): 1216627601280
• Sum of proper divisors (its aliquot sum) s(n): 818406504060
• 398221097220 is an abundant number, because the sum of its proper divisors (818406504060) is greater than itself. Its abundance is 420185406840

Bases of 398221097220

• Binary: 101110010110111110100111011100100000100₂
• Hexadecimal: 0x5CB7D3B904
• Base-36: 52XUK550

Squares and roots of 398221097220

• 398221097220 squared (398221097220²) is 158580042271100691728400
• 398221097220 cubed (398221097220³) is 63149918430391698157184426235048000
• The square root of 398221097220 is 631047.6188212741
• The cube root of 398221097220 is 7357.1242088941

Scales and comparisons

• 398,221,097,220 seconds is equal to 12,662 years, 10 weeks, 2 days, 11 hours, 27 minutes.
• To count from 1 to 398,221,097,220 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 398221097220 cubic inches would be around 613.1 feet tall.

Recreational maths with 398221097220

• 398221097220 backwards is 022790122893
• 398221097220 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 398221097220's digits is 45
• More coming soon!