13156505208

Names of 13156505208

• Cardinal: 13156505208 can be written as Thirteen billion, one hundred fifty-six million, five hundred five thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.3156505208 × 10¹⁰

Factors of 13156505208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 215760

Divisors of 13156505208

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 56 63 66 72 77 84 88 99 121 126 132 154 168 198 231 242 252 264 308 363 396 462 484 504 616 693 726 792 847 924 968 1089 1386 1452 1694 1848 2178 2541 2772 2904 3388 4356 5082 5544 6776 7623 8712 10164 15246 20328 30492 60984 215737 431474 647211 862948 1294422 1510159 1725896 1941633 2373107 2588844 3020318 3883266 4530477 4746214 5177688 6040636 7119321 7766532 9060954 9492428 12081272 13591431 14238642 15533064 16611749 18121908 18984856 21357963 26104177 27182862 28477284 33223498 36243816 42715926 49835247 52208354 54365724 56954568 66446996 78312531 85431852 99670494 104416708 108731448 132893992 149505741 156625062 170863704 182729239 199340988 208833416 234937593 299011482 313250124 365458478 398681976 469875186 548187717 598022964 626500248 730916956 939750372 1096375434 1196045928 1461833912 1644563151 1879500744 2192750868 3289126302 4385501736 6578252604 13156505208
• Sum of all divisors σ(n): 44761320240
• Sum of proper divisors (its aliquot sum) s(n): 31604815032
• 13156505208 is an abundant number, because the sum of its proper divisors (31604815032) is greater than itself. Its abundance is 18448309824

Bases of 13156505208

• Binary: 1100010000001100000101011001111000₂
• Hexadecimal: 0x310305678
• Base-36: 61L1KE0

Squares and roots of 13156505208

• 13156505208 squared (13156505208²) is 173093629288131123264
• 13156505208 cubed (13156505208³) is 2277307235200918455809705958912
• The square root of 13156505208 is 114701.8099595643
• The cube root of 13156505208 is 2360.7328715965

Scales and comparisons

• 13,156,505,208 seconds is equal to 418 years, 17 weeks, 3 days, 8 hours, 46 minutes, 48 seconds.
• To count from 1 to 13,156,505,208 would take you about eight hundred thirty-six 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 13156505208 cubic inches would be around 196.7 feet tall.

Recreational maths with 13156505208

• 13156505208 backwards is 80250565131
• 13156505208 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13156505208's digits is 36
• More coming soon!