18489994020
18,489,994,020 is an even composite number composed of seven prime numbers multiplied together.
18489994020 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 18489994020:
22 × 32 × 5 × 192 × 31 × 67 × 137
(2 × 2 × 3 × 3 × 5 × 19 × 19 × 31 × 67 × 137)See below for interesting mathematical facts about the number 18489994020 from the Numbermatics database.
Names of 18489994020
- Cardinal: 18489994020 can be written as Eighteen billion, four hundred eighty-nine million, nine hundred ninety-four thousand and twenty.
Scientific notation
- Scientific notation: 1.848999402 × 1010
Factors of 18489994020
Divisors of 18489994020
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 19 20 30 31 36 38 45 57 60 62 67 76 90 93 95 114 124 134 137 155 171 180 186 190 201 228 268 274 279 285 310 335 342 361 372 380 402 411 465 548 558 570 589 603 620 670 684 685 722 804 822 855 930 1005 1083 1116 1140 1178 1206 1233 1273 1340 1370 1395 1444 1644 1710 1767 1805 1860 2010 2055 2077 2166 2356 2412 2466 2546 2603 2740 2790 2945 3015 3249 3420 3534 3610 3819 4020 4110 4154 4247 4332 4932 5092 5206 5301 5415 5580 5890 6030 6165 6231 6365 6498 7068 7220 7638 7809 8220 8308 8494 8835 9179 10385 10412 10602 10830 11191 11457 11780 12060 12330 12462 12730 12741 12996 13015 15276 15618 16245 16988 17670 18358 18693 19095 20770 21204 21235 21660 22382 22914 23427 24187 24660 24924 25460 25482 26030 26505 27537 31155 31236 32490 33573 35340 36716 37386 38190 38223 39045 39463 41540 42470 44764 45828 45895 46854 48374 49457 50964 52060 53010 55074 55955 57285 62310 63705 64980 67146 72561 74772 76380 76446 78090 78926 80693 82611 84940 91790 93465 93708 96748 98914 100719 106020 110148 111910 114570 117135 118389 120935 124620 127410 134292 137685 145122 148371 152892 156180 157852 161386 165222 167865 174401 183580 186930 191115 197315 197828 201438 217683 223820 229140 234270 236778 241870 242079 247285 254820 275370 284549 290244 296742 322772 330444 335730 348802 355167 362805 373860 382230 394630 402876 403465 413055 435366 445113 468540 473556 483740 484158 494570 503595 523203 550740 569098 591945 593484 671460 697604 710334 725610 726237 741855 749797 764460 789260 806930 826110 853647 870732 872005 890226 968316 989140 1007190 1046406 1088415 1138196 1183890 1210395 1420668 1422745 1451220 1452474 1483710 1499594 1533167 1569609 1613860 1652220 1707294 1744010 1775835 1780452 2014380 2092812 2176830 2225565 2249391 2367780 2420790 2560941 2616015 2845490 2904948 2967420 2999188 3066334 3139218 3313619 3414588 3488020 3551670 3631185 3748985 4268235 4353660 4451130 4498782 4599501 4841580 5121882 5232030 5406431 5690980 6132668 6278436 6627238 6748173 7103340 7262370 7497970 7665835 7848045 8536470 8902260 8997564 9199002 9940857 10243764 10464060 10812862 11246955 12804705 13254476 13496346 13798503 14524740 14995940 15331670 15696090 16219293 16568095 17072940 18398004 19881714 21625724 22493910 22997505 25609410 26992692 27032155 27597006 29822571 30663340 31392180 32438586 33136190 33740865 39763428 44987820 45995010 48657879 49704285 51218820 54064310 55194012 59645142 64877172 66272380 67481730 68992515 81096465 91990020 97315758 99408570 102722189 108128620 119290284 134963460 137985030 149112855 162192930 194631516 198817140 205444378 243289395 275970060 298225710 308166567 324385860 410888756 486578790 513610945 596451420 616333134 924499701 973157580 1027221890 1232666268 1540832835 1848999402 2054443780 3081665670 3697998804 4622498505 6163331340 9244997010 18489994020
- Sum of all divisors σ(n): 62467711488
- Sum of proper divisors (its aliquot sum) s(n): 43977717468
- 18489994020 is an abundant number, because the sum of its proper divisors (43977717468) is greater than itself. Its abundance is 25487723448
Bases of 18489994020
- Binary: 100010011100001011011101011001001002
- Hexadecimal: 0x44E16EB24
- Base-36: 8HSGQP0
Squares and roots of 18489994020
- 18489994020 squared (184899940202) is 341879878859635760400
- 18489994020 cubed (184899940203) is 6321356915672989629174152808000
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The
square root of 18489994020 is 135977.9173983775 -
The
cube root of 18489994020 is 2644.3093273255
Scales and comparisons
How big is 18489994020?- 18,489,994,020 seconds is equal to 587 years, 48 weeks, 13 hours, 27 minutes.
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To count from 1 to 18,489,994,020 would take you about one thousand, one hundred seventy-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 18489994020 cubic inches would be around 220.4 feet tall.
Recreational maths with 18489994020
- 18489994020 backwards is 02049998481
- The number of decimal digits it has is: 11
- The sum of 18489994020's digits is 54
- More coming soon!
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The information we have on file for 18489994020 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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