18126407420
18,126,407,420 is an even composite number composed of seven prime numbers multiplied together.
18126407420 is an even 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 18126407420:
22 × 5 × 112 × 17 × 31 × 61 × 233
(2 × 2 × 5 × 11 × 11 × 17 × 31 × 61 × 233)See below for interesting mathematical facts about the number 18126407420 from the Numbermatics database.
Names of 18126407420
- Cardinal: 18126407420 can be written as Eighteen billion, one hundred twenty-six million, four hundred seven thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.812640742 × 1010
Factors of 18126407420
Divisors of 18126407420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 10 11 17 20 22 31 34 44 55 61 62 68 85 110 121 122 124 155 170 187 220 233 242 244 305 310 340 341 374 466 484 527 605 610 620 671 682 748 932 935 1037 1054 1165 1210 1220 1342 1364 1705 1870 1891 2057 2074 2108 2330 2420 2563 2635 2684 3355 3410 3740 3751 3782 3961 4114 4148 4660 5126 5185 5270 5797 6710 6820 7223 7381 7502 7564 7922 8228 9455 10252 10285 10370 10540 11407 11594 12815 13420 14213 14446 14762 15004 15844 18755 18910 19805 20570 20740 20801 22814 23188 25630 28193 28426 28892 28985 29524 32147 36115 36905 37510 37820 39610 41140 41602 43571 45628 51260 56386 56852 57035 57970 63767 64294 71065 72230 73810 75020 79220 79453 83204 87142 104005 112772 114070 115940 122791 125477 127534 128588 140965 142130 144460 147620 156343 158906 160735 174284 208010 217855 228140 228811 241621 245582 250954 255068 281930 284260 312686 317812 318835 321470 353617 397265 416020 435710 440603 457622 479281 483242 491164 501908 563860 613955 625372 627385 637670 642940 707234 781715 794530 871420 873983 881206 915244 958562 966484 1144055 1208105 1227910 1254770 1275340 1350701 1414468 1563430 1589060 1719773 1747966 1762412 1768085 1917124 2203015 2288110 2396405 2416210 2455820 2509540 2657831 2701402 3126860 3439546 3495932 3536170 3889787 4369915 4406030 4576220 4792810 4832420 4846633 5315662 5402804 6753505 6879092 7072340 7490251 7779574 8598865 8739830 8812060 9585620 9693266 10631324 13289155 13507010 14857711 14980502 15559148 17197730 17479660 19386532 19448935 24233165 26578310 27014020 29236141 29715422 29961004 34395460 37451255 38897870 48466330 53156620 53312963 58472282 59430844 74288555 74902510 77795740 82392761 96932660 106625926 116944564 146180705 148577110 149805020 164785522 213251852 266564815 292361410 297154220 329571044 411963805 533129630 584722820 823927610 906320371 1066259260 1647855220 1812640742 3625281484 4531601855 9063203710 18126407420
- Sum of all divisors σ(n): 46680012288
- Sum of proper divisors (its aliquot sum) s(n): 28553604868
- 18126407420 is an abundant number, because the sum of its proper divisors (28553604868) is greater than itself. Its abundance is 10427197448
Bases of 18126407420
- Binary: 100001110000110101100000110111111002
- Hexadecimal: 0x4386B06FC
- Base-36: 8BRZTH8
Squares and roots of 18126407420
- 18126407420 squared (181264074202) is 328566645955831056400
- 18126407420 cubed (181264074203) is 5955732889218289052995398488000
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The
square root of 18126407420 is 134634.3471035531 -
The
cube root of 18126407420 is 2626.8619253341
Scales and comparisons
How big is 18126407420?- 18,126,407,420 seconds is equal to 576 years, 18 weeks, 6 days, 9 hours, 10 minutes, 20 seconds.
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To count from 1 to 18,126,407,420 would take you about one thousand, one hundred fifty-two 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 18126407420 cubic inches would be around 218.9 feet tall.
Recreational maths with 18126407420
- 18126407420 backwards is 02470462181
- The number of decimal digits it has is: 11
- The sum of 18126407420's digits is 35
- More coming soon!
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