20499990840
20,499,990,840 is an even composite number composed of six prime numbers multiplied together.
20499990840 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 20499990840:
23 × 33 × 5 × 72 × 53 × 7309
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 53 × 7309)See below for interesting mathematical facts about the number 20499990840 from the Numbermatics database.
Names of 20499990840
- Cardinal: 20499990840 can be written as Twenty billion, four hundred ninety-nine million, nine hundred ninety thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.049999084 × 1010
Factors of 20499990840
Divisors of 20499990840
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 49 53 54 56 60 63 70 72 84 90 98 105 106 108 120 126 135 140 147 159 168 180 189 196 210 212 216 245 252 265 270 280 294 315 318 360 371 378 392 420 424 441 477 490 504 530 540 588 630 636 735 742 756 795 840 882 945 954 980 1060 1080 1113 1176 1260 1272 1323 1431 1470 1484 1512 1590 1764 1855 1890 1908 1960 2120 2205 2226 2385 2520 2597 2646 2862 2940 2968 3180 3339 3528 3710 3780 3816 4410 4452 4770 5194 5292 5565 5724 5880 6360 6615 6678 7155 7309 7420 7560 7791 8820 8904 9540 10017 10388 10584 11130 11448 12985 13230 13356 14310 14618 14840 15582 16695 17640 19080 20034 20776 21927 22260 23373 25970 26460 26712 28620 29236 31164 33390 36545 38955 40068 43854 44520 46746 50085 51163 51940 52920 57240 58472 62328 65781 66780 70119 73090 77910 80136 87708 93492 100170 102326 103880 109635 116865 131562 133560 140238 146180 153489 155820 175416 186984 197343 200340 204652 219270 233730 255815 263124 280476 292360 306978 311640 328905 350595 358141 387377 394686 400680 409304 438540 460467 467460 511630 526248 560952 613956 657810 701190 716282 767445 774754 789372 877080 920934 934920 986715 1023260 1074423 1162131 1227912 1315620 1381401 1402380 1432564 1534890 1549508 1578744 1790705 1841868 1936885 1973430 2046520 2148846 2302335 2324262 2631240 2711639 2762802 2804760 2865128 3069780 3099016 3223269 3486393 3581410 3683736 3873770 3946860 4297692 4604670 4648524 5372115 5423278 5525604 5810655 6139560 6446538 6907005 6972786 7162820 7747540 7893720 8134917 8595384 9209340 9297048 9669807 10459179 10744230 10846556 11051208 11621310 12893076 13558195 13814010 13945572 14325640 15495080 16116345 16269834 17431965 18418680 18981473 19339614 20918358 21488460 21693112 23242620 24404751 25786152 27116390 27628020 27891144 32232690 32539668 34863930 37962946 38679228 40674585 41836716 42976920 46485240 48349035 48809502 52295895 54232780 55256040 56944419 64465380 65079336 69727860 73214253 75925892 77358456 81349170 83673432 94907365 96698070 97619004 104591790 108465560 113888838 122023755 128930760 139455720 146428506 151851784 162698340 170833257 189814730 193396140 195238008 209183580 227777676 244047510 284722095 292857012 325396680 341666514 366071265 379629460 386792280 418367160 455555352 488095020 512499771 569444190 585714024 683333028 732142530 759258920 854166285 976190040 1024999542 1138888380 1366666056 1464285060 1708332570 2049999084 2277776760 2562498855 2928570120 3416665140 4099998168 5124997710 6833330280 10249995420 20499990840
- Sum of all divisors σ(n): 81000648000
- Sum of proper divisors (its aliquot sum) s(n): 60500657160
- 20499990840 is an abundant number, because the sum of its proper divisors (60500657160) is greater than itself. Its abundance is 40000666320
Bases of 20499990840
- Binary: 100110001011110010100001001001110002
- Hexadecimal: 0x4C5E50938
- Base-36: 9F15Y60
Squares and roots of 20499990840
- 20499990840 squared (204999908402) is 420249624440083905600
- 20499990840 cubed (204999908403) is 8615113451535160193631424704000
-
The
square root of 20499990840 is 143178.1786446525 -
The
cube root of 20499990840 is 2736.8514297639
Scales and comparisons
How big is 20499990840?- 20,499,990,840 seconds is equal to 651 years, 43 weeks, 3 days, 9 hours, 54 minutes.
-
To count from 1 to 20,499,990,840 would take you about one thousand, three hundred 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 20499990840 cubic inches would be around 228.1 feet tall.
Recreational maths with 20499990840
- 20499990840 backwards is 04809999402
- 20499990840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20499990840's digits is 54
- More coming soon!
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The information we have on file for 20499990840 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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