389190786985
389,190,786,985 is an odd composite number composed of seven prime numbers multiplied together.
389190786985 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 389190786985:
5 × 7 × 112 × 132 × 17 × 29 × 1103
(5 × 7 × 11 × 11 × 13 × 13 × 17 × 29 × 1103)See below for interesting mathematical facts about the number 389190786985 from the Numbermatics database.
Names of 389190786985
- Cardinal: 389190786985 can be written as Three hundred eighty-nine billion, one hundred ninety million, seven hundred eighty-six thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 3.89190786985 × 1011
Factors of 389190786985
Divisors of 389190786985
- Number of divisors d(n): 288
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Complete list of divisors:
1 5 7 11 13 17 29 35 55 65 77 85 91 119 121 143 145 169 187 203 221 319 377 385 455 493 595 605 715 845 847 935 1001 1015 1103 1105 1183 1309 1547 1573 1595 1859 1885 2057 2233 2431 2465 2639 2873 3451 3509 4147 4235 4901 5005 5423 5515 5915 6409 6545 7721 7735 7865 9295 10285 11011 11165 12133 12155 13013 13195 14339 14365 14399 17017 17255 17545 18751 20111 20449 20735 24505 24563 26741 27115 29029 31603 31987 32045 34307 37961 38605 44863 45617 53911 55055 59653 60665 65065 70499 71695 71995 83317 84931 85085 93755 100373 100555 102245 122815 131257 133463 133705 143143 145145 157729 158015 159935 171535 186407 187187 189805 206261 221221 223909 224315 228085 243763 269555 298265 319319 347633 351857 352495 377377 415831 416585 417571 424655 493493 501865 543779 583219 593021 656285 667315 715715 775489 788645 916487 932035 934241 935935 1031305 1104103 1106105 1119545 1218815 1304849 1443827 1596595 1706341 1735019 1738165 1759285 1886885 2050477 2079155 2087855 2268871 2433431 2462999 2467465 2681393 2718895 2910817 2916095 2965105 3168919 3806453 3870427 3877445 4151147 4574141 4582435 4671205 5405803 5428423 5520515 5981569 6415409 6524245 7069127 7219135 8531705 8675095 10081357 10252385 11344355 12145133 12167155 12314995 13406965 14353339 14554085 15844595 15882097 18769751 19032265 19352135 20755735 22182433 22555247 22870705 27029015 27092989 27142115 29495323 29907845 32018987 32077045 34858109 35345635 37840621 41870983 49483889 50315551 50406785 59463833 60725665 65797259 70569499 71766695 77760397 79410485 91898651 93848755 110912165 112776235 135464945 147476615 157886729 160094935 174290545 189203105 206467261 209354915 244006763 247419445 251577755 297319165 328986295 352208857 352847495 383439199 388801985 416246831 459493255 460580813 544322779 643290557 654102163 789433645 855364367 1010885161 1032336305 1220033815 1761044285 1917195995 2081234155 2302904065 2684074393 2721613895 3216452785 3270510815 4276821835 4578715141 5054425805 5987550569 7076196127 11119736771 13420371965 22893575705 29937752845 35380980635 55598683855 77838157397 389190786985
- Sum of all divisors σ(n): 696477035520
- Sum of proper divisors (its aliquot sum) s(n): 307286248535
- 389190786985 is a deficient number, because the sum of its proper divisors (307286248535) is less than itself. Its deficiency is 81904538450
Bases of 389190786985
- Binary: 1011010100111011001010000011111101010012
- Hexadecimal: 0x5A9D941FA9
- Base-36: 4YSI5961
Squares and roots of 389190786985
- 389190786985 squared (3891907869852) is 151469468674003645390225
- 389190786985 cubed (3891907869853) is 58950521717435283160180535176221625
-
The
square root of 389190786985 is 623851.5744830657 -
The
cube root of 389190786985 is 7301.0868900519
Scales and comparisons
How big is 389190786985?- 389,190,786,985 seconds is equal to 12,375 years, 3 weeks, 1 day, 23 hours, 56 minutes, 25 seconds.
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To count from 1 to 389,190,786,985 would take you about twenty-four thousand, seven hundred fifty 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 389190786985 cubic inches would be around 608.4 feet tall.
Recreational maths with 389190786985
- 389190786985 backwards is 589687091983
- The number of decimal digits it has is: 12
- The sum of 389190786985's digits is 73
- More coming soon!
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