13218667308

Names of 13218667308

• Cardinal: 13218667308 can be written as Thirteen billion, two hundred eighteen million, six hundred sixty-seven thousand, three hundred eight.

Scientific notation

• Scientific notation: 1.3218667308 × 10¹⁰

Factors of 13218667308

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1060

Divisors of 13218667308

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 19 21 22 28 33 36 38 42 44 57 63 66 76 77 84 99 114 126 132 133 154 171 198 209 228 231 252 266 308 342 396 399 418 419 462 532 599 627 684 693 798 836 838 924 1197 1198 1254 1257 1386 1463 1596 1676 1797 1881 2394 2396 2508 2514 2772 2926 2933 3594 3762 3771 4193 4389 4609 4788 5028 5391 5852 5866 6589 7188 7524 7542 7961 8386 8778 8799 9218 10782 11381 11732 12579 13167 13178 13827 15084 15922 16772 17556 17598 18436 19767 21564 22762 23883 25158 26334 26356 26397 27654 31844 32263 34143 35196 37737 39534 41481 45524 46123 47766 50316 52668 52794 55308 55727 59301 64526 68286 71649 75474 79068 79667 82962 87571 92246 95532 96789 102429 105588 111454 118602 125191 129052 136572 138369 143298 150948 159334 165924 167181 175142 184492 193578 204858 222908 237204 239001 250382 250981 262713 276738 286596 290367 318668 334362 350284 375573 387156 409716 415107 478002 500764 501543 501962 525426 553476 580734 612997 668724 717003 751146 752943 788139 830214 876337 956004 1003086 1003924 1050852 1126719 1161468 1225994 1434006 1502292 1505886 1576278 1660428 1752674 1756867 1838991 2006172 2253438 2258829 2451988 2629011 2760791 2868012 3011772 3152556 3505348 3513734 3677982 4506876 4517658 4768639 5258022 5270601 5516973 5521582 7027468 7355964 7887033 8282373 9035316 9537278 10516044 10541202 11033946 11043164 14305917 15774066 15811803 16564746 19074556 19325537 21082404 22067892 24847119 28611834 31548132 31623606 33129492 33380473 38651074 42917751 49694238 52455029 57223668 57976611 63247212 66760946 77302148 85835502 99388476 100141419 104910058 115953222 133521892 157365087 171671004 173929833 200282838 209820116 231906444 300424257 314730174 347859666 367185203 400565676 472095261 600848514 629460348 695719332 734370406 944190522 1101555609 1201697028 1468740812 1888381044 2203111218 3304666827 4406222436 6609333654 13218667308
• Sum of all divisors σ(n): 44029440000
• Sum of proper divisors (its aliquot sum) s(n): 30810772692
• 13218667308 is an abundant number, because the sum of its proper divisors (30810772692) is greater than itself. Its abundance is 17592105384

Bases of 13218667308

• Binary: 1100010011111001001101101100101100₂
• Hexadecimal: 0x313E4DB2C
• Base-36: 62M1WZ0

Squares and roots of 13218667308

• 13218667308 squared (13218667308²) is 174733165399587966864
• 13218667308 cubed (13218667308³) is 2309739581090890214255344082112
• The square root of 13218667308 is 114972.4632596867
• The cube root of 13218667308 is 2364.4450427717

Scales and comparisons

• 13,218,667,308 seconds is equal to 420 years, 16 weeks, 1 day, 20 hours, 1 minute, 48 seconds.
• To count from 1 to 13,218,667,308 would take you about eight hundred forty 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 13218667308 cubic inches would be around 197 feet tall.

Recreational maths with 13218667308

• 13218667308 backwards is 80376681231
• The number of decimal digits it has is: 11
• The sum of 13218667308's digits is 45
• More coming soon!