20490349680
20,490,349,680 is an even composite number composed of six prime numbers multiplied together.
20490349680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 20490349680:
24 × 34 × 5 × 43 × 151 × 487
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 43 × 151 × 487)See below for interesting mathematical facts about the number 20490349680 from the Numbermatics database.
Names of 20490349680
- Cardinal: 20490349680 can be written as Twenty billion, four hundred ninety million, three hundred forty-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.049034968 × 1010
Factors of 20490349680
Divisors of 20490349680
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 43 45 48 54 60 72 80 81 86 90 108 120 129 135 144 151 162 172 180 215 216 240 258 270 302 324 344 360 387 405 430 432 453 487 516 540 604 645 648 688 720 755 774 810 860 906 974 1032 1080 1161 1208 1290 1296 1359 1461 1510 1548 1620 1720 1812 1935 1948 2064 2160 2265 2322 2416 2435 2580 2718 2922 3020 3096 3240 3440 3483 3624 3870 3896 4077 4383 4530 4644 4870 5160 5436 5805 5844 6040 6192 6480 6493 6795 6966 7248 7305 7740 7792 8154 8766 9060 9288 9740 10320 10872 11610 11688 12080 12231 12986 13149 13590 13932 14610 15480 16308 17415 17532 18120 18576 19479 19480 20385 20941 21744 21915 23220 23376 24462 25972 26298 27180 27864 29220 30960 32465 32616 34830 35064 36240 38958 38960 39447 40770 41882 43830 46440 48924 51944 52596 54360 55728 58437 58440 61155 62823 64930 65232 65745 69660 70128 73537 77916 78894 81540 83764 87660 92880 97395 97848 103888 104705 105192 108720 116874 116880 122310 125646 129860 131490 139320 147074 155832 157788 163080 167528 175311 175320 188469 194790 195696 197235 209410 210384 220611 233748 244620 251292 259720 262980 278640 292185 294148 311664 314115 315576 326160 335056 350622 350640 367685 376938 389580 394470 418820 441222 467496 489240 502584 519440 525933 525960 565407 584370 588296 628230 631152 661833 701244 735370 753876 779160 788940 837640 876555 882444 934992 942345 978480 1005168 1051866 1051920 1103055 1130814 1168740 1176592 1256460 1323666 1402488 1470740 1507752 1558320 1577880 1675280 1696221 1753110 1764888 1884690 1985499 2103732 2206110 2261628 2337480 2512920 2629665 2647332 2804976 2827035 2941480 3015504 3155760 3162091 3309165 3392442 3506220 3529776 3769380 3970998 4207464 4412220 4523256 4674960 5025840 5259330 5294664 5654070 5882960 5956497 6324182 6618330 6784884 7012440 7538760 7941996 8414928 8481105 8824440 9046512 9486273 9927495 10518660 10589328 11308140 11912994 12648364 13236660 13569768 14024880 15077520 15810455 15883992 16962210 17648880 18972546 19854990 21037320 22616280 23825988 25296728 26473320 27139536 28458819 29782485 31620910 31767984 33924420 37945092 39709980 42074640 45232560 47431365 47651976 50593456 52946640 56917638 59564970 63241820 67848840 75890184 79419960 85376457 94862730 95303952 113835276 119129940 126483640 135697680 142294095 151780368 158839920 170752914 189725460 227670552 238259880 252967280 256129371 284588190 341505828 379450920 426882285 455341104 476519760 512258742 569176380 683011656 758901840 853764570 1024517484 1138352760 1280646855 1366023312 1707529140 2049034968 2276705520 2561293710 3415058280 4098069936 5122587420 6830116560 10245174840 20490349680
- Sum of all divisors σ(n): 73453822464
- Sum of proper divisors (its aliquot sum) s(n): 52963472784
- 20490349680 is an abundant number, because the sum of its proper divisors (52963472784) is greater than itself. Its abundance is 32473123104
Bases of 20490349680
- Binary: 100110001010101000111101100011100002
- Hexadecimal: 0x4C551EC70
- Base-36: 9EVFB00
Squares and roots of 20490349680
- 20490349680 squared (204903496802) is 419854430008676102400
- 20490349680 cubed (204903496803) is 8602964085574858772035487232000
-
The
square root of 20490349680 is 143144.5062864797 -
The
cube root of 20490349680 is 2736.4223147733
Scales and comparisons
How big is 20490349680?- 20,490,349,680 seconds is equal to 651 years, 27 weeks, 3 days, 19 hours, 48 minutes.
-
To count from 1 to 20,490,349,680 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 20490349680 cubic inches would be around 228 feet tall.
Recreational maths with 20490349680
- 20490349680 backwards is 08694309402
- 20490349680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20490349680's digits is 45
- More coming soon!
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