18139827420
18,139,827,420 is an even composite number composed of seven prime numbers multiplied together.
18139827420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 18139827420:
22 × 33 × 5 × 11 × 13 × 61 × 3851
(2 × 2 × 3 × 3 × 3 × 5 × 11 × 13 × 61 × 3851)See below for interesting mathematical facts about the number 18139827420 from the Numbermatics database.
Names of 18139827420
- Cardinal: 18139827420 can be written as Eighteen billion, one hundred thirty-nine million, eight hundred twenty-seven thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.813982742 × 1010
Factors of 18139827420
Divisors of 18139827420
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 27 30 33 36 39 44 45 52 54 55 60 61 65 66 78 90 99 108 110 117 122 130 132 135 143 156 165 180 183 195 198 220 234 244 260 270 286 297 305 330 351 366 390 396 429 468 495 540 549 572 585 594 610 660 671 702 715 732 780 793 858 915 990 1098 1170 1188 1220 1287 1342 1404 1430 1485 1586 1647 1716 1755 1830 1980 2013 2145 2196 2340 2379 2574 2684 2745 2860 2970 3172 3294 3355 3510 3660 3851 3861 3965 4026 4290 4758 5148 5490 5940 6039 6435 6588 6710 7020 7137 7702 7722 7930 8052 8235 8580 8723 9516 10065 10980 11553 11895 12078 12870 13420 14274 15404 15444 15860 16470 17446 18117 19255 19305 20130 21411 23106 23790 24156 25740 26169 28548 30195 32940 34659 34892 35685 36234 38510 38610 40260 42361 42822 43615 46212 47580 50063 52338 57765 60390 69318 71370 72468 77020 77220 78507 84722 85644 87230 90585 100126 103977 104676 107055 115530 120780 127083 130845 138636 142740 150189 157014 169444 173295 174460 181170 200252 207954 211805 214110 231060 234911 235521 250315 254166 261690 300378 314028 346590 362340 381249 392535 415908 423610 428220 450567 469822 471042 500630 508332 519885 523380 550693 600756 635415 693180 704733 750945 762498 785070 847220 901134 939644 942084 1001260 1039770 1101386 1143747 1174555 1177605 1270830 1351701 1409466 1501890 1524996 1570140 1652079 1802268 1906245 2079540 2114199 2202772 2252835 2287494 2349110 2355210 2541660 2584021 2703402 2753465 2818932 3003780 3053843 3304158 3523665 3812490 4228398 4505670 4574988 4698220 4710420 4956237 5168042 5406804 5506930 5718735 6107686 6342597 6608316 6758505 7047330 7624980 7752063 8260395 8456796 9011340 9161529 9912474 10336084 10570995 11013860 11437470 12215372 12685194 12920105 13517010 14094660 14868711 15269215 15504126 16520790 18323058 19824948 21141990 22874940 23256189 24781185 25370388 25840210 27034020 27484587 29737422 30538430 31008252 31712985 33041580 33592273 36646116 38760315 42283980 45807645 46512378 49562370 51680420 54969174 59474844 61076860 63425970 67184546 69768567 74343555 77520630 82453761 91615290 93024756 99124740 100776819 109938348 116280945 126851940 134369092 137422935 139537134 148687110 155041260 164907522 167961365 183230580 201553638 232561890 274845870 279074268 297374220 302330457 329815044 335922730 348842835 403107276 412268805 465123780 503884095 549691740 604660914 671845460 697685670 824537610 906991371 1007768190 1209321828 1395371340 1511652285 1649075220 1813982742 2015536380 3023304570 3627965484 4534956855 6046609140 9069913710 18139827420
- Sum of all divisors σ(n): 67405685760
- Sum of proper divisors (its aliquot sum) s(n): 49265858340
- 18139827420 is an abundant number, because the sum of its proper divisors (49265858340) is greater than itself. Its abundance is 31126030920
Bases of 18139827420
- Binary: 100001110010011011111001100110111002
- Hexadecimal: 0x43937CCDC
- Base-36: 8BZZGF0
Squares and roots of 18139827420
- 18139827420 squared (181398274202) is 329053338827383856400
- 18139827420 cubed (181398274203) is 5968970778303528325190062488000
-
The
square root of 18139827420 is 134684.1765761665 -
The
cube root of 18139827420 is 2627.5100366777
Scales and comparisons
How big is 18139827420?- 18,139,827,420 seconds is equal to 576 years, 41 weeks, 16 hours, 57 minutes.
-
To count from 1 to 18,139,827,420 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 18139827420 cubic inches would be around 219 feet tall.
Recreational maths with 18139827420
- 18139827420 backwards is 02472893181
- 18139827420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 18139827420's digits is 45
- More coming soon!
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The information we have on file for 18139827420 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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