2138217568

Names of 2138217568

• Cardinal: 2138217568 can be written as Two billion, one hundred thirty-eight million, two hundred seventeen thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 2.138217568 × 10⁹

Factors of 2138217568

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2688

Divisors of 2138217568

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 17 32 34 37 41 68 74 82 136 148 164 272 296 328 544 592 629 656 697 1184 1258 1312 1394 1517 2516 2591 2788 3034 5032 5182 5576 6068 10064 10364 11152 12136 20128 20728 22304 24272 25789 41456 44047 48544 51578 82912 88094 95867 103156 106231 176188 191734 206312 212462 352376 383468 412624 424924 704752 766936 825248 849848 1409504 1533872 1629739 1699696 1805927 3067744 3259478 3399392 3611854 3930547 6518956 7223708 7861094 13037912 14447416 15722188 26075824 28894832 31444376 52151648 57789664 62888752 66819299 125777504 133638598 267277196 534554392 1069108784 2138217568
• Sum of all divisors σ(n): 4691167488
• Sum of proper divisors (its aliquot sum) s(n): 2552949920
• 2138217568 is an abundant number, because the sum of its proper divisors (2552949920) is greater than itself. Its abundance is 414732352

Bases of 2138217568

• Binary: 1111111011100101001110001100000₂
• Hexadecimal: 0x7F729C60
• Base-36: ZD1F8G

Squares and roots of 2138217568

• 2138217568 squared (2138217568²) is 4571974368103834624
• 2138217568 cubed (2138217568³) is 9775875914325318041203474432
• The square root of 2138217568 is 46240.8646977973
• The cube root of 2138217568 is 1288.3008633221

Scales and comparisons

• 2,138,217,568 seconds is equal to 67 years, 51 weeks, 2 days, 21 hours, 19 minutes, 28 seconds.
• To count from 1 to 2,138,217,568 would take you about one hundred thirty-five 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 2138217568 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138217568

• 2138217568 backwards is 8657128312
• The number of decimal digits it has is: 10
• The sum of 2138217568's digits is 43
• More coming soon!