13688361680

Names of 13688361680

• Cardinal: 13688361680 can be written as Thirteen billion, six hundred eighty-eight million, three hundred sixty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.368836168 × 10¹⁰

Factors of 13688361680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 78

Divisors of 13688361680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 23 28 35 40 41 46 49 56 70 80 82 92 98 112 115 140 161 164 184 196 205 230 245 280 287 322 328 343 368 392 410 460 490 529 560 574 644 656 686 784 805 820 920 943 980 1058 1127 1148 1288 1372 1435 1610 1640 1715 1840 1886 1960 2009 2116 2254 2296 2576 2645 2744 2870 3220 3280 3430 3703 3772 3920 4018 4232 4508 4592 4715 5290 5488 5635 5740 6440 6601 6860 7406 7544 7889 8036 8464 9016 9430 10045 10580 11270 11480 12167 12880 13202 13720 14063 14812 15088 15778 16072 18032 18515 18860 20090 21160 21689 22540 22960 24334 25921 26404 27440 28126 29624 31556 32144 33005 37030 37720 39445 40180 42320 43378 45080 46207 48668 51842 52808 56252 59248 60835 63112 66010 70315 74060 75440 78890 80360 85169 86756 90160 92414 97336 103684 105616 108445 112504 121670 126224 129605 132020 140630 148120 151823 157780 160720 170338 173512 181447 184828 194672 207368 216890 225008 231035 243340 259210 264040 281260 296240 303646 315560 323449 340676 347024 362894 369656 414736 425845 433780 462070 486680 498847 518420 528080 562520 596183 607292 631120 646898 681352 725788 739312 759115 851690 867560 907235 924140 973360 997694 1036840 1062761 1125040 1192366 1214584 1293796 1362704 1451576 1518230 1617245 1703380 1735120 1814470 1848280 1995388 2073680 2125522 2384732 2429168 2494235 2587592 2903152 2980915 3036460 3234490 3406760 3491929 3628940 3696560 3990776 4173281 4251044 4769464 4988470 5175184 5313805 5961830 6072920 6468980 6813520 6983858 7257880 7439327 7981552 8346562 8502088 9538928 9976940 10627610 11923660 12145840 12937960 13967716 14515760 14878654 16693124 17004176 17459645 19953880 20866405 21255220 23847320 24443503 25875920 27935432 29757308 33386248 34919290 37196635 39907760 41732810 42510440 47694640 48887006 55870864 59514616 66772496 69838580 74393270 83465620 85020880 97774012 119029232 122217515 139677160 148786540 166931240 171104521 195548024 244435030 279354320 297573080 333862480 342209042 391096048 488870060 595146160 684418084 855522605 977740120 1368836168 1711045210 1955480240 2737672336 3422090420 6844180840 13688361680
• Sum of all divisors σ(n): 39747456000
• Sum of proper divisors (its aliquot sum) s(n): 26059094320
• 13688361680 is an abundant number, because the sum of its proper divisors (26059094320) is greater than itself. Its abundance is 12370732640

Bases of 13688361680

• Binary: 1100101111111000111101001011010000₂
• Hexadecimal: 0x32FE3D2D0
• Base-36: 6ADP3GW

Squares and roots of 13688361680

• 13688361680 squared (13688361680²) is 187371245482492422400
• 13688361680 cubed (13688361680³) is 2564805376596422385670533632000
• The square root of 13688361680 is 116997.2721049513
• The cube root of 13688361680 is 2392.1247469457

Scales and comparisons

• 13,688,361,680 seconds is equal to 435 years, 12 weeks, 6 days, 2 hours, 41 minutes, 20 seconds.
• To count from 1 to 13,688,361,680 would take you about eight hundred seventy 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 13688361680 cubic inches would be around 199.3 feet tall.

Recreational maths with 13688361680

• 13688361680 backwards is 08616388631
• The number of decimal digits it has is: 11
• The sum of 13688361680's digits is 50
• More coming soon!