13688695440

Names of 13688695440

• Cardinal: 13688695440 can be written as Thirteen billion, six hundred eighty-eight million, six hundred ninety-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.368869544 × 10¹⁰

Factors of 13688695440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 11194

Divisors of 13688695440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 140 144 162 168 180 189 210 216 240 243 252 270 280 315 324 336 360 378 405 420 432 486 504 540 560 567 630 648 720 729 756 810 840 945 972 1008 1080 1134 1215 1260 1296 1458 1512 1620 1680 1701 1890 1944 2160 2187 2268 2430 2520 2835 2916 3024 3240 3402 3645 3780 3888 4374 4536 4860 5040 5103 5670 5832 6480 6804 7290 7560 8505 8748 9072 9720 10206 10935 11177 11340 11664 13608 14580 15120 15309 17010 17496 19440 20412 21870 22354 22680 25515 27216 29160 30618 33531 34020 34992 40824 43740 44708 45360 51030 55885 58320 61236 67062 68040 76545 78239 81648 87480 89416 100593 102060 111770 122472 134124 136080 153090 156478 167655 174960 178832 201186 204120 223540 234717 244944 268248 301779 306180 312956 335310 391195 402372 408240 447080 469434 502965 536496 603558 612360 625912 670620 704151 782390 804744 894160 905337 938868 1005930 1173585 1207116 1224720 1251824 1341240 1408302 1508895 1564780 1609488 1810674 1877736 2011860 2112453 2347170 2414232 2682480 2716011 2816604 3017790 3129560 3520755 3621348 3755472 4023720 4224906 4526685 4694340 4828464 5432022 5633208 6035580 6259120 6337359 7041510 7242696 8047440 8148033 8449812 9053370 9388680 10562265 10864044 11266416 12071160 12674718 13580055 14083020 14485392 16296066 16899624 18106740 18777360 19012077 21124530 21728088 24142320 24444099 25349436 27160110 28166040 31686795 32592132 33799248 36213480 38024154 40740165 42249060 43456176 48888198 50698872 54320220 56332080 57036231 63373590 65184264 72426960 76048308 81480330 84498120 95060385 97776396 101397744 108640440 114072462 122220495 126747180 130368528 152096616 162960660 168996240 171108693 190120770 195552792 217280880 228144924 244440990 253494360 285181155 304193232 325921320 342217386 380241540 391105584 456289848 488881980 506988720 570362310 651842640 684434772 760483080 855543465 912579696 977763960 1140724620 1368869544 1520966160 1711086930 1955527920 2281449240 2737739088 3422173860 4562898480 6844347720 13688695440
• Sum of all divisors σ(n): 54555793920
• Sum of proper divisors (its aliquot sum) s(n): 40867098480
• 13688695440 is an abundant number, because the sum of its proper divisors (40867098480) is greater than itself. Its abundance is 27178403040

Bases of 13688695440

• Binary: 1100101111111010001110101010010000₂
• Hexadecimal: 0x32FE8EA90
• Base-36: 6ADW900

Squares and roots of 13688695440

• 13688695440 squared (13688695440²) is 187380382849076793600
• 13688695440 cubed (13688695440³) is 2564992992251611712762141184000
• The square root of 13688695440 is 116998.6984542991
• The cube root of 13688695440 is 2392.1441889867

Scales and comparisons

• 13,688,695,440 seconds is equal to 435 years, 13 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 13,688,695,440 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 13688695440 cubic inches would be around 199.3 feet tall.

Recreational maths with 13688695440

• 13688695440 backwards is 04459688631
• 13688695440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13688695440's digits is 54
• More coming soon!