13687128378
13,687,128,378 is an even composite number composed of seven prime numbers multiplied together.
13687128378 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 13687128378:
2 × 32 × 7 × 11 × 149 × 191 × 347
(2 × 3 × 3 × 7 × 11 × 149 × 191 × 347)See below for interesting mathematical facts about the number 13687128378 from the Numbermatics database.
Names of 13687128378
- Cardinal: 13687128378 can be written as Thirteen billion, six hundred eighty-seven million, one hundred twenty-eight thousand, three hundred seventy-eight.
Scientific notation
- Scientific notation: 1.3687128378 × 1010
Factors of 13687128378
Divisors of 13687128378
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 149 154 191 198 231 298 347 382 447 462 573 693 694 894 1041 1043 1146 1337 1341 1386 1639 1719 2082 2086 2101 2429 2674 2682 3123 3129 3278 3438 3817 4011 4202 4858 4917 6246 6258 6303 7287 7634 8022 9387 9834 11451 11473 12033 12606 14574 14707 14751 18774 18909 21861 22902 22946 24066 26719 28459 29414 29502 34353 34419 37818 43722 44121 51703 53438 56918 66277 68706 68838 80157 85377 88242 103257 103406 132363 132554 155109 160314 170754 198831 199213 206514 240471 256131 264726 310218 313049 361921 397662 398426 463939 465327 480942 512262 568733 596493 597639 626098 723842 729047 927878 930654 939147 1085763 1137466 1192986 1195278 1391817 1458094 1706199 1792917 1878294 2171526 2187141 2191343 2783634 2817441 3257289 3412398 3585834 3981131 4175451 4374282 4382686 5103329 5118597 5634882 6514578 6561423 6574029 7962262 8350902 9875273 10206658 10237194 11943393 13122846 13148058 15309987 19722087 19750546 23886786 29625819 30619974 35830179 39444174 45929961 59251638 69126911 71660358 88877457 91859922 108628003 138253822 177754914 207380733 217256006 325884009 414761466 622142199 651768018 760396021 977652027 1244284398 1520792042 1955304054 2281188063 4562376126 6843564189 13687128378
- Sum of all divisors σ(n): 37523865600
- Sum of proper divisors (its aliquot sum) s(n): 23836737222
- 13687128378 is an abundant number, because the sum of its proper divisors (23836737222) is greater than itself. Its abundance is 10149608844
Bases of 13687128378
- Binary: 11001011111101000100000001001110102
- Hexadecimal: 0x32FD1013A
- Base-36: 6ACYNUI
Squares and roots of 13687128378
- 13687128378 squared (136871283782) is 187337483235852910884
- 13687128378 cubed (136871283783) is 2564112183060541643594301466152
-
The
square root of 13687128378 is 116992.0013419719 -
The
cube root of 13687128378 is 2392.0529024375
Scales and comparisons
How big is 13687128378?- 13,687,128,378 seconds is equal to 435 years, 10 weeks, 5 days, 20 hours, 6 minutes, 18 seconds.
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To count from 1 to 13,687,128,378 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 13687128378 cubic inches would be around 199.3 feet tall.
Recreational maths with 13687128378
- 13687128378 backwards is 87382178631
- The number of decimal digits it has is: 11
- The sum of 13687128378's digits is 54
- More coming soon!
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