13687431680
13,687,431,680 is an even composite number composed of five prime numbers multiplied together.
13687431680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 13687431680:
29 × 5 × 132 × 17 × 1861
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 17 × 1861)See below for interesting mathematical facts about the number 13687431680 from the Numbermatics database.
Names of 13687431680
- Cardinal: 13687431680 can be written as Thirteen billion, six hundred eighty-seven million, four hundred thirty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.368743168 × 1010
Factors of 13687431680
Divisors of 13687431680
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 64 65 68 80 85 104 128 130 136 160 169 170 208 221 256 260 272 320 338 340 416 442 512 520 544 640 676 680 832 845 884 1040 1088 1105 1280 1352 1360 1664 1690 1768 1861 2080 2176 2210 2560 2704 2720 2873 3328 3380 3536 3722 4160 4352 4420 5408 5440 5746 6656 6760 7072 7444 8320 8704 8840 9305 10816 10880 11492 13520 14144 14365 14888 16640 17680 18610 21632 21760 22984 24193 27040 28288 28730 29776 31637 33280 35360 37220 43264 43520 45968 48386 54080 56576 57460 59552 63274 70720 74440 86528 91936 96772 108160 113152 114920 119104 120965 126548 141440 148880 158185 183872 193544 216320 229840 238208 241930 253096 282880 297760 314509 316370 367744 387088 411281 432640 459680 476416 483860 506192 565760 595520 629018 632740 735488 774176 822562 919360 952832 967720 1012384 1191040 1258036 1265480 1470976 1548352 1572545 1645124 1838720 1935440 2024768 2056405 2382080 2516072 2530960 3096704 3145090 3290248 3677440 3870880 4049536 4112810 4764160 5032144 5061920 5346653 6193408 6290180 6580496 7354880 7741760 8099072 8225620 10064288 10123840 10693306 12386816 12580360 13160992 15483520 16198144 16451240 20128576 20247680 21386612 25160720 26321984 26733265 30967040 32902480 40257152 40495360 42773224 50321440 52643968 53466530 61934080 65804960 80514304 80990720 85546448 100642880 105287936 106933060 131609920 161028608 171092896 201285760 210575872 213866120 263219840 342185792 402571520 427732240 526439680 684371584 805143040 855464480 1052879360 1368743168 1710928960 2737486336 3421857920 6843715840 13687431680
- Sum of all divisors σ(n): 37646981064
- Sum of proper divisors (its aliquot sum) s(n): 23959549384
- 13687431680 is an abundant number, because the sum of its proper divisors (23959549384) is greater than itself. Its abundance is 10272117704
Bases of 13687431680
- Binary: 11001011111101010110100010000000002
- Hexadecimal: 0x32FD5A200
- Base-36: 6AD55VK
Squares and roots of 13687431680
- 13687431680 squared (136874316802) is 187345785994667622400
- 13687431680 cubed (136874316803) is 2564282646337913925908037632000
-
The
square root of 13687431680 is 116993.2975858019 -
The
cube root of 13687431680 is 2392.0705713269
Scales and comparisons
How big is 13687431680?- 13,687,431,680 seconds is equal to 435 years, 11 weeks, 2 days, 8 hours, 21 minutes, 20 seconds.
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To count from 1 to 13,687,431,680 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 13687431680 cubic inches would be around 199.3 feet tall.
Recreational maths with 13687431680
- 13687431680 backwards is 08613478631
- The number of decimal digits it has is: 11
- The sum of 13687431680's digits is 47
- More coming soon!
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