211388243690

Names of 211388243690

• Cardinal: 211388243690 can be written as Two hundred eleven billion, three hundred eighty-eight million, two hundred forty-three thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.1138824369 × 10¹¹

Factors of 211388243690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 234

Divisors of 211388243690

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 13 17 26 34 65 85 130 169 170 197 221 289 338 394 442 578 845 985 1105 1445 1690 1970 2197 2210 2561 2873 2890 3349 3757 4394 5122 5746 6698 7514 10985 12805 14365 16745 18785 21970 25610 28561 28730 33293 33490 37349 37570 43537 48841 56933 57122 66586 74698 87074 97682 113866 142805 166465 186745 217685 244205 284665 285610 332930 371293 373490 432809 435370 485537 488410 565981 569330 634933 740129 742586 865618 971074 1131962 1269866 1480258 1856465 2164045 2427685 2829905 3174665 3700645 3712930 4328090 4855370 5626517 5659810 6311981 6349330 7357753 7401290 8254129 9621677 11253034 12623962 14715506 16508258 19243354 28132585 31559905 36788765 41270645 48108385 56265170 63119810 73144721 73577530 82541290 95650789 96216770 107303677 125081801 146289442 191301578 214607354 250163602 365723605 478253945 536518385 625409005 731447210 956507890 1073036770 1243460257 1250818010 1626063413 2486920514 3252126826 6217301285 8130317065 12434602570 16260634130 21138824369 42277648738 105694121845 211388243690
• Sum of all divisors σ(n): 440103526632
• Sum of proper divisors (its aliquot sum) s(n): 228715282942
• 211388243690 is an abundant number, because the sum of its proper divisors (228715282942) is greater than itself. Its abundance is 17327039252

Bases of 211388243690

• Binary: 11000100110111101110001001111011101010₂
• Hexadecimal: 0x3137B89EEA
• Base-36: 2P3Z3OQ2

Squares and roots of 211388243690

• 211388243690 squared (211388243690²) is 44684989570342824816100
• 211388243690 cubed (211388243690³) is 9445881464580737449068726235409000
• The square root of 211388243690 is 459769.7724840119
• The cube root of 211388243690 is 5956.9909935511

Scales and comparisons

• 211,388,243,690 seconds is equal to 6,721 years, 25 weeks, 4 days, 4 hours, 34 minutes, 50 seconds.
• To count from 1 to 211,388,243,690 would take you about thirteen thousand, four hundred forty-two 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 211388243690 cubic inches would be around 496.4 feet tall.

Recreational maths with 211388243690

• 211388243690 backwards is 096342883112
• The number of decimal digits it has is: 12
• The sum of 211388243690's digits is 47
• More coming soon!