21080478420
21,080,478,420 is an even composite number composed of six prime numbers multiplied together.
21080478420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21080478420:
22 × 36 × 5 × 23 × 37 × 1699
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 23 × 37 × 1699)See below for interesting mathematical facts about the number 21080478420 from the Numbermatics database.
Names of 21080478420
- Cardinal: 21080478420 can be written as Twenty-one billion, eighty million, four hundred seventy-eight thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.108047842 × 1010
Factors of 21080478420
Divisors of 21080478420
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 37 45 46 54 60 69 74 81 90 92 108 111 115 135 138 148 162 180 185 207 222 230 243 270 276 324 333 345 370 405 414 444 460 486 540 555 621 666 690 729 740 810 828 851 972 999 1035 1110 1215 1242 1332 1380 1458 1620 1665 1699 1702 1863 1998 2070 2220 2430 2484 2553 2916 2997 3105 3330 3398 3404 3645 3726 3996 4140 4255 4860 4995 5097 5106 5589 5994 6210 6660 6796 7290 7452 7659 8495 8510 8991 9315 9990 10194 10212 11178 11988 12420 12765 14580 14985 15291 15318 16767 16990 17020 17982 18630 19980 20388 22356 22977 25485 25530 26973 27945 29970 30582 30636 33534 33980 35964 37260 38295 39077 44955 45873 45954 50970 51060 53946 55890 59940 61164 62863 67068 68931 76455 76590 78154 83835 89910 91746 91908 101940 107892 111780 114885 117231 125726 134865 137619 137862 152910 153180 156308 167670 179820 183492 188589 195385 206793 229365 229770 234462 251452 269730 275238 275724 305820 314315 335340 344655 351693 377178 390770 412857 413586 458730 459540 468924 539460 550476 565767 586155 620379 628630 688095 689310 703386 754356 781540 825714 827172 917460 942945 1033965 1055079 1131534 1172310 1238571 1240758 1257260 1376190 1378620 1406772 1445849 1651428 1697301 1758465 1885890 2064285 2067930 2110158 2263068 2344620 2477142 2481516 2752380 2828835 2891698 3101895 3165237 3394602 3516930 3771780 4128570 4135860 4220316 4337547 4954284 5091903 5275395 5657670 5783396 6192855 6203790 6330474 6789204 7033860 7229245 8257140 8486505 8675094 9495711 10183806 10550790 11315340 12385710 12407580 12660948 13012641 14458490 15275709 15826185 16973010 17350188 18991422 20367612 21101580 21687735 24771420 25459515 26025282 28487133 28916980 30551418 31652370 33946020 37982844 39037923 43375470 45827127 47478555 50919030 52050564 56974266 61102836 63304740 65063205 76378545 78075846 86750940 91654254 94957110 101838060 113948532 117113769 130126410 142435665 152757090 156151692 183308508 189914220 195189615 229135635 234227538 260252820 284871330 305514180 351341307 390379230 458271270 468455076 569742660 585568845 702682614 780758460 916542540 1054023921 1171137690 1405365228 1756706535 2108047842 2342275380 3513413070 4216095684 5270119605 7026826140 10540239210 21080478420
- Sum of all divisors σ(n): 71172662400
- Sum of proper divisors (its aliquot sum) s(n): 50092183980
- 21080478420 is an abundant number, because the sum of its proper divisors (50092183980) is greater than itself. Its abundance is 29011705560
Bases of 21080478420
- Binary: 100111010000111111010010010110101002
- Hexadecimal: 0x4E87E92D4
- Base-36: 9OMRT90
Squares and roots of 21080478420
- 21080478420 squared (210804784202) is 444386570416085696400
- 21080478420 cubed (210804784203) is 9367881507794104943830871688000
-
The
square root of 21080478420 is 145191.1788642823 -
The
cube root of 21080478420 is 2762.4440307791
Scales and comparisons
How big is 21080478420?- 21,080,478,420 seconds is equal to 670 years, 15 weeks, 2 days, 27 minutes.
-
To count from 1 to 21,080,478,420 would take you about one thousand, three hundred forty 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 21080478420 cubic inches would be around 230.2 feet tall.
Recreational maths with 21080478420
- 21080478420 backwards is 02487408012
- 21080478420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21080478420's digits is 36
- More coming soon!
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