398219494442

Names of 398219494442

• Cardinal: 398219494442 can be written as Three hundred ninety-eight billion, two hundred nineteen million, four hundred ninety-four thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 3.98219494442 × 10¹¹

Factors of 398219494442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14850

Divisors of 398219494442

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 2789 5578 5929 11858 12041 19523 24082 30679 39046 61358 84287 132451 136661 168574 214753 264902 273322 337469 429506 590009 674938 927157 1180018 1456961 1503271 1854314 2362283 2913922 3006542 4724566 6490099 10198727 12980198 16535981 20397454 33071962 33582349 67164698 71391089 142782178 235076443 369405839 470152886 738811678 1645535101 2585840873 3291070202 4063464229 5171681746 8126928458 18100886111 28444249603 36201772222 56888499206 199109747221 398219494442
• Sum of all divisors σ(n): 764100664740
• Sum of proper divisors (its aliquot sum) s(n): 365881170298
• 398219494442 is a deficient number, because the sum of its proper divisors (365881170298) is less than itself. Its deficiency is 32338324144

Bases of 398219494442

• Binary: 101110010110111101110110100010000101010₂
• Hexadecimal: 0x5CB7BB442A
• Base-36: 52XTLSFE

Squares and roots of 398219494442

• 398219494442 squared (398219494442²) is 158578765753642068891364
• 398219494442 cubed (398219494442³) is 63149155927651687794141907499798888
• The square root of 398219494442 is 631046.3488857217
• The cube root of 398219494442 is 7357.1143384537

Scales and comparisons

• 398,219,494,442 seconds is equal to 12,662 years, 7 weeks, 4 days, 22 hours, 14 minutes, 2 seconds.
• To count from 1 to 398,219,494,442 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 398219494442 cubic inches would be around 613.1 feet tall.

Recreational maths with 398219494442

• 398219494442 backwards is 244494912893
• The number of decimal digits it has is: 12
• The sum of 398219494442's digits is 59
• More coming soon!