12987155500
12,987,155,500 is an even composite number composed of six prime numbers multiplied together.
12987155500 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 12987155500:
22 × 53 × 11 × 192 × 31 × 211
(2 × 2 × 5 × 5 × 5 × 11 × 19 × 19 × 31 × 211)See below for interesting mathematical facts about the number 12987155500 from the Numbermatics database.
Names of 12987155500
- Cardinal: 12987155500 can be written as Twelve billion, nine hundred eighty-seven million, one hundred fifty-five thousand, five hundred.
Scientific notation
- Scientific notation: 1.29871555 × 1010
Factors of 12987155500
Divisors of 12987155500
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 10 11 19 20 22 25 31 38 44 50 55 62 76 95 100 110 124 125 155 190 209 211 220 250 275 310 341 361 380 418 422 475 500 550 589 620 682 722 775 836 844 950 1045 1055 1100 1178 1364 1375 1444 1550 1705 1805 1900 2090 2110 2321 2356 2375 2750 2945 3100 3410 3610 3875 3971 4009 4180 4220 4642 4750 5225 5275 5500 5890 6479 6541 6820 7220 7750 7942 8018 8525 9025 9284 9500 10450 10550 11191 11605 11780 12958 13082 14725 15500 15884 16036 17050 18050 19855 20045 20900 21100 22382 23210 25916 26125 26164 26375 29450 32395 32705 34100 36100 39710 40090 42625 44099 44764 45125 46420 52250 52750 55955 58025 58900 64790 65410 71951 73625 76171 79420 80180 85250 88198 90250 99275 100225 104500 105500 111910 116050 123101 124279 129580 130820 143902 147250 152342 161975 163525 170500 176396 180500 198550 200450 220495 223820 232100 246202 248558 279775 287804 290125 294500 304684 323950 327050 359755 380855 397100 400900 440990 492404 496375 497116 501125 559550 580250 615505 621395 647900 654100 719510 761710 809875 817625 837881 881980 992750 1002250 1102475 1119100 1160500 1231010 1242790 1367069 1398875 1439020 1523420 1619750 1635250 1675762 1798775 1904275 1985500 2004500 2204950 2361301 2462020 2485580 2734138 2797750 3077525 3106975 3239500 3270500 3351524 3597550 3808550 4189405 4409900 4722602 5468276 5512375 5595500 6155050 6213950 6835345 7195100 7617100 8378810 8993875 9445204 9521375 11024750 11806505 12310100 12427900 13670690 15387625 15534875 16757620 17987750 19042750 20947025 22049500 23613010 25974311 27341380 30775250 31069750 34176725 35975500 38085500 41894050 47226020 51948622 59032525 61550500 62139500 68353450 83788100 103897244 104735125 118065050 129871555 136706900 170883625 209470250 236130100 259743110 295162625 341767250 418940500 519486220 590325250 649357775 683534500 1180650500 1298715550 2597431100 3246788875 6493577750 12987155500
- Sum of all divisors σ(n): 33869961216
- Sum of proper divisors (its aliquot sum) s(n): 20882805716
- 12987155500 is an abundant number, because the sum of its proper divisors (20882805716) is greater than itself. Its abundance is 7895650216
Bases of 12987155500
- Binary: 11000001100001100001000100001011002
- Hexadecimal: 0x30618442C
- Base-36: 5YS7TBG
Squares and roots of 12987155500
- 12987155500 squared (129871555002) is 168666207981180250000
- 12987155500 cubed (129871555003) is 2190494270646928980278875000000
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The
square root of 12987155500 is 113961.2017311153 -
The
cube root of 12987155500 is 2350.5600294983
Scales and comparisons
How big is 12987155500?- 12,987,155,500 seconds is equal to 412 years, 49 weeks, 3 days, 7 hours, 11 minutes, 40 seconds.
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To count from 1 to 12,987,155,500 would take you about eight hundred twenty-five 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 12987155500 cubic inches would be around 195.9 feet tall.
Recreational maths with 12987155500
- 12987155500 backwards is 00555178921
- The number of decimal digits it has is: 11
- The sum of 12987155500's digits is 43
- More coming soon!
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