21204960840
21,204,960,840 is an even composite number composed of six prime numbers multiplied together.
21204960840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21204960840:
23 × 34 × 5 × 7 × 293 × 3191
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 293 × 3191)See below for interesting mathematical facts about the number 21204960840 from the Numbermatics database.
Names of 21204960840
- Cardinal: 21204960840 can be written as Twenty-one billion, two hundred four million, nine hundred sixty thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.120496084 × 1010
Factors of 21204960840
Divisors of 21204960840
- Number of divisors d(n): 320
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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 54 56 60 63 70 72 81 84 90 105 108 120 126 135 140 162 168 180 189 210 216 252 270 280 293 315 324 360 378 405 420 504 540 567 586 630 648 756 810 840 879 945 1080 1134 1172 1260 1465 1512 1620 1758 1890 2051 2268 2344 2520 2637 2835 2930 3191 3240 3516 3780 4102 4395 4536 5274 5670 5860 6153 6382 7032 7560 7911 8204 8790 9573 10255 10548 11340 11720 12306 12764 13185 15822 15955 16408 17580 18459 19146 20510 21096 22337 22680 23733 24612 25528 26370 28719 30765 31644 31910 35160 36918 38292 39555 41020 44674 47466 47865 49224 52740 55377 57438 61530 63288 63820 67011 73836 76584 79110 82040 86157 89348 92295 94932 95730 105480 110754 111685 114876 118665 123060 127640 134022 143595 147672 158220 166131 172314 178696 184590 189864 191460 201033 221508 223370 229752 237330 246120 258471 268044 276885 287190 316440 332262 335055 344628 369180 382920 402066 430785 443016 446740 474660 516942 536088 553770 574380 603099 664524 670110 689256 738360 804132 830655 861570 893480 934963 949320 1005165 1033884 1107540 1148760 1206198 1292355 1329048 1340220 1608264 1661310 1723140 1809297 1869926 2010330 2067768 2215080 2412396 2584710 2680440 2804889 3015495 3322620 3446280 3618594 3739852 4020660 4674815 4824792 5169420 5609778 6030990 6544741 6645240 7237188 7479704 8041320 8414667 9046485 9349630 10338840 11219556 12061980 13089482 14024445 14474376 16829334 18092970 18699260 19634223 22439112 24123960 25244001 26178964 28048890 32723705 33658668 36185940 37398520 39268446 42073335 50488002 52357928 56097780 58902669 65447410 67317336 72371880 75732003 78536892 84146670 98171115 100976004 112195560 117805338 126220005 130894820 151464006 157073784 168293340 176708007 196342230 201952008 235610676 252440010 261789640 294513345 302928012 336586680 353416014 378660015 392684460 471221352 504880020 530124021 589026690 605856024 706832028 757320030 785368920 883540035 1009760040 1060248042 1178053380 1413664056 1514640060 1767080070 2120496084 2356106760 2650620105 3029280120 3534160140 4240992168 5301240210 7068320280 10602480420 21204960840
- Sum of all divisors σ(n): 81757589760
- Sum of proper divisors (its aliquot sum) s(n): 60552628920
- 21204960840 is an abundant number, because the sum of its proper divisors (60552628920) is greater than itself. Its abundance is 39347668080
Bases of 21204960840
- Binary: 100111011111110101000000110010010002
- Hexadecimal: 0x4EFEA0648
- Base-36: 9QOVWI0
Squares and roots of 21204960840
- 21204960840 squared (212049608402) is 449650364225933505600
- 21204960840 cubed (212049608403) is 9534818365102656898691920704000
-
The
square root of 21204960840 is 145619.2323836379 -
The
cube root of 21204960840 is 2767.8708692837
Scales and comparisons
How big is 21204960840?- 21,204,960,840 seconds is equal to 674 years, 13 weeks, 18 hours, 54 minutes.
-
To count from 1 to 21,204,960,840 would take you about one thousand, three hundred forty-eight 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 21204960840 cubic inches would be around 230.7 feet tall.
Recreational maths with 21204960840
- 21204960840 backwards is 04806940212
- 21204960840 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21204960840's digits is 36
- More coming soon!
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