2009400939

Names of 2009400939

• Cardinal: 2009400939 can be written as Two billion, nine million, four hundred thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 2.009400939 × 10⁹

Factors of 2009400939

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 234

Divisors of 2009400939

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 21 27 39 41 61 63 81 91 109 117 123 183 189 273 287 327 351 369 427 533 549 567 763 793 819 861 981 1053 1107 1281 1417 1599 1647 2289 2379 2457 2501 2583 2943 3321 3731 3843 4251 4469 4797 4941 5551 6649 6867 7137 7371 7503 7749 8829 9919 11193 11529 12753 13407 14391 16653 17507 19947 20601 21411 22509 23247 29757 31283 32513 33579 34587 38259 40221 43173 46543 49959 52521 58097 59841 61803 64233 67527 86437 89271 93849 97539 100737 114777 120663 139629 149877 157563 174291 179523 202581 227591 259311 267813 272609 281547 292617 302211 361989 406679 418887 449631 472689 522873 538569 605059 682773 777933 803439 817827 844641 877851 1220037 1256661 1418067 1568619 1815177 1908263 2048319 2333799 2453481 2533923 2633553 3543917 3660111 3769983 4705857 5445531 5724789 6144957 7001397 7360443 10631751 10980333 16336593 17174367 18434871 22081329 24807419 31895253 32940999 49009779 51523101 74422257 95685759 154569303 223266771 287057277 669800313 2009400939
• Sum of all divisors σ(n): 3881834880
• Sum of proper divisors (its aliquot sum) s(n): 1872433941
• 2009400939 is a deficient number, because the sum of its proper divisors (1872433941) is less than itself. Its deficiency is 136966998

Bases of 2009400939

• Binary: 1110111110001010000011001101011₂
• Hexadecimal: 0x77C5066B
• Base-36: X8CFOR

Squares and roots of 2009400939

• 2009400939 squared (2009400939²) is 4037692133654081721
• 2009400939 cubed (2009400939³) is 8113342364757425311360136019
• The square root of 2009400939 is 44826.3420211823
• The cube root of 2009400939 is 1261.8920384117

Scales and comparisons

• 2,009,400,939 seconds is equal to 63 years, 46 weeks, 2 days, 22 hours, 55 minutes, 39 seconds.
• To count from 1 to 2,009,400,939 would take you about one hundred twenty-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 2009400939 cubic inches would be around 105.2 feet tall.

Recreational maths with 2009400939

• 2009400939 backwards is 9390049002
• The number of decimal digits it has is: 10
• The sum of 2009400939's digits is 36
• More coming soon!