20001429903

Names of 20001429903

• Cardinal: 20001429903 can be written as Twenty billion, one million, four hundred twenty-nine thousand, nine hundred three.

Scientific notation

• Scientific notation: 2.0001429903 × 10¹⁰

Factors of 20001429903

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 488

Divisors of 20001429903

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 13 19 21 39 49 57 79 91 133 147 237 247 273 361 367 399 553 637 741 931 1027 1083 1101 1501 1659 1729 1911 2527 2569 2793 3081 3871 4503 4693 4771 5187 6973 7189 7581 7707 10507 11613 12103 14079 14313 17689 17983 19513 20919 21567 28519 28993 31521 32851 33397 36309 48811 50323 53067 53949 58539 73549 85557 86979 90649 98553 100191 132487 136591 146433 150969 199633 202951 220647 229957 233779 271947 341677 370747 376909 397461 409773 550867 598899 608853 634543 689871 701337 927409 956137 1025031 1112241 1130727 1397431 1420657 1652601 1722331 1903629 2595229 2638363 2782227 2868411 3856069 4192293 4261971 4441801 5166993 6491863 7161271 7785687 7915089 10466473 11568207 12056317 13325403 18166603 18468541 19475589 21483813 26992483 31399419 36168951 50128897 54499809 55405623 73265311 80977449 84394219 136064149 150386691 219795933 253182657 350902279 408192447 512857177 952449043 1052706837 1538571531 2857347129 6667143301 20001429903
• Sum of all divisors σ(n): 35803514880
• Sum of proper divisors (its aliquot sum) s(n): 15802084977
• 20001429903 is a deficient number, because the sum of its proper divisors (15802084977) is less than itself. Its deficiency is 4199344926

Bases of 20001429903

• Binary: 10010101000001011011001100110001111₂
• Hexadecimal: 0x4A82D998F
• Base-36: 96SC233

Squares and roots of 20001429903

• 20001429903 squared (20001429903²) is 400057198164622589409
• 20001429903 cubed (20001429903³) is 8001716006280278976514463697327
• The square root of 20001429903 is 141426.4116174909
• The cube root of 20001429903 is 2714.4823042849

Scales and comparisons

• 20,001,429,903 seconds is equal to 635 years, 51 weeks, 1 day, 45 minutes, 3 seconds.
• To count from 1 to 20,001,429,903 would take you about one thousand, two hundred seventy-one 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 20001429903 cubic inches would be around 226.2 feet tall.

Recreational maths with 20001429903

• 20001429903 backwards is 30992410002
• The number of decimal digits it has is: 11
• The sum of 20001429903's digits is 30
• More coming soon!