213818310642

Names of 213818310642

• Cardinal: 213818310642 can be written as Two hundred thirteen billion, eight hundred eighteen million, three hundred ten thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.13818310642 × 10¹¹

Factors of 213818310642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9859

Divisors of 213818310642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 71 73 142 146 213 219 426 438 769 1538 2307 4614 5183 8941 10366 15549 17882 26823 31098 53646 54599 56137 109198 112274 163797 168411 327594 336822 634811 652693 1269622 1305386 1904433 1958079 3808866 3916158 3985727 6875629 7971454 11957181 13751258 20626887 23914362 41253774 46341203 92682406 139023609 278047218 488169659 501920917 976339318 1003841834 1464508977 1505762751 2929017954 3011525502 35636385107 71272770214 106909155321 213818310642
• Sum of all divisors σ(n): 440221098240
• Sum of proper divisors (its aliquot sum) s(n): 226402787598
• 213818310642 is an abundant number, because the sum of its proper divisors (226402787598) is greater than itself. Its abundance is 12584476956

Bases of 213818310642

• Binary: 11000111001000100100000111111111110010₂
• Hexadecimal: 0x31C8907FF2
• Base-36: 2Q85WGDU

Squares and roots of 213818310642

• 213818310642 squared (213818310642²) is 45718269965798810452164
• 213818310642 cubed (213818310642³) is 9775403249561988768934878633129288
• The square root of 213818310642 is 462404.9206507215
• The cube root of 213818310642 is 5979.7307761443

Scales and comparisons

• 213,818,310,642 seconds is equal to 6,798 years, 39 weeks, 3 days, 23 hours, 10 minutes, 42 seconds.
• To count from 1 to 213,818,310,642 would take you about thirteen thousand, five hundred ninety-seven 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 213818310642 cubic inches would be around 498.3 feet tall.

Recreational maths with 213818310642

• 213818310642 backwards is 246013818312
• The number of decimal digits it has is: 12
• The sum of 213818310642's digits is 39
• More coming soon!