18139862520
18,139,862,520 is an even composite number composed of six prime numbers multiplied together.
18139862520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18139862520:
23 × 35 × 5 × 13 × 89 × 1613
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 89 × 1613)See below for interesting mathematical facts about the number 18139862520 from the Numbermatics database.
Names of 18139862520
- Cardinal: 18139862520 can be written as Eighteen billion, one hundred thirty-nine million, eight hundred sixty-two thousand, five hundred twenty.
Scientific notation
- Scientific notation: 1.813986252 × 1010
Factors of 18139862520
Divisors of 18139862520
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 89 90 104 108 117 120 130 135 156 162 178 180 195 216 234 243 260 267 270 312 324 351 356 360 390 405 445 468 486 520 534 540 585 648 702 712 780 801 810 890 936 972 1053 1068 1080 1157 1170 1215 1335 1404 1560 1602 1613 1620 1755 1780 1944 2106 2136 2314 2340 2403 2430 2670 2808 3159 3204 3226 3240 3471 3510 3560 4005 4212 4628 4680 4806 4839 4860 5265 5340 5785 6318 6408 6452 6942 7020 7209 8010 8065 8424 9256 9612 9678 9720 10413 10530 10680 11570 12015 12636 12904 13884 14040 14418 14517 15795 16020 16130 17355 19224 19356 20826 20969 21060 21627 23140 24030 24195 25272 27768 28836 29034 31239 31590 32040 32260 34710 36045 38712 41652 41938 42120 43254 43551 46280 48060 48390 52065 57672 58068 62478 62907 63180 64520 69420 72090 72585 83304 83876 86508 87102 93717 96120 96780 104130 104845 108135 116136 124956 125814 126360 130653 138840 143557 144180 145170 156195 167752 173016 174204 187434 188721 193560 208260 209690 216270 217755 249912 251628 261306 281151 287114 288360 290340 312390 314535 348408 374868 377442 391959 416520 419380 430671 432540 435510 468585 503256 522612 562302 566163 574228 580680 624780 629070 653265 717785 749736 754884 783918 838760 861342 865080 871020 937170 943605 1045224 1124604 1132326 1148456 1249560 1258140 1292013 1306530 1405755 1435570 1509768 1567836 1698489 1722684 1742040 1866241 1874340 1887210 1959795 2153355 2249208 2264652 2516280 2584026 2613060 2811510 2830815 2871140 3135672 3396978 3445368 3732482 3748680 3774420 3876039 3919590 4306710 4529304 5095467 5168052 5226120 5598723 5623020 5661630 5742280 6460065 6793956 7464964 7548840 7752078 7839180 8492445 8613420 9331205 10190934 10336104 11197446 11246040 11323260 11628117 12920130 13587912 14929928 15504156 15678360 16796169 16984890 17226840 18662410 19380195 20381868 22394892 22646520 23256234 25477335 25840260 27993615 31008312 33592338 33969780 34884351 37324820 38760390 40763736 44789784 46512468 50388507 50954670 51680520 55987230 58140585 67184676 67939560 69768702 74649640 77520780 83980845 93024936 100777014 101909340 111974460 116281170 134369352 139537404 151165521 155041560 167961690 174421755 201554028 203818680 223948920 232562340 251942535 279074808 302331042 335923380 348843510 403108056 453496563 465124680 503885070 604662084 671846760 697687020 755827605 906993126 1007770140 1209324168 1395374040 1511655210 1813986252 2015540280 2267482815 3023310420 3627972504 4534965630 6046620840 9069931260 18139862520
- Sum of all divisors σ(n): 66622046400
- Sum of proper divisors (its aliquot sum) s(n): 48482183880
- 18139862520 is an abundant number, because the sum of its proper divisors (48482183880) is greater than itself. Its abundance is 30342321360
Bases of 18139862520
- Binary: 100001110010011100001010101111110002
- Hexadecimal: 0x4393855F8
- Base-36: 8C007I0
Squares and roots of 18139862520
- 18139862520 squared (181398625202) is 329054612244500750400
- 18139862520 cubed (181398625203) is 5969005427687152238292835008000
-
The
square root of 18139862520 is 134684.3068809427 -
The
cube root of 18139862520 is 2627.5117313933
Scales and comparisons
How big is 18139862520?- 18,139,862,520 seconds is equal to 576 years, 41 weeks, 1 day, 2 hours, 42 minutes.
-
To count from 1 to 18,139,862,520 would take you about one thousand, one hundred fifty-three 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 18139862520 cubic inches would be around 219 feet tall.
Recreational maths with 18139862520
- 18139862520 backwards is 02526893181
- 18139862520 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18139862520's digits is 45
- More coming soon!
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