21681090000
21,681,090,000 is an even composite number composed of six prime numbers multiplied together.
21681090000 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred divisors.
Prime factorization of 21681090000:
24 × 32 × 54 × 19 × 31 × 409
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 5 × 19 × 31 × 409)See below for interesting mathematical facts about the number 21681090000 from the Numbermatics database.
Names of 21681090000
- Cardinal: 21681090000 can be written as Twenty-one billion, six hundred eighty-one million, ninety thousand.
Scientific notation
- Scientific notation: 2.168109 × 1010
Factors of 21681090000
Divisors of 21681090000
- Number of divisors d(n): 600
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 30 31 36 38 40 45 48 50 57 60 62 72 75 76 80 90 93 95 100 114 120 124 125 144 150 152 155 171 180 186 190 200 225 228 240 248 250 279 285 300 304 310 342 360 372 375 380 400 409 450 456 465 475 496 500 558 570 589 600 620 625 684 720 744 750 760 775 818 855 900 912 930 950 1000 1116 1125 1140 1178 1200 1227 1240 1250 1368 1395 1425 1488 1500 1520 1550 1636 1710 1767 1800 1860 1875 1900 2000 2045 2232 2250 2280 2325 2356 2375 2454 2480 2500 2736 2790 2850 2945 3000 3100 3272 3420 3534 3600 3681 3720 3750 3800 3875 4090 4275 4464 4500 4560 4650 4712 4750 4908 5000 5301 5580 5625 5700 5890 6000 6135 6200 6544 6840 6975 7068 7125 7362 7440 7500 7600 7750 7771 8180 8550 8835 9000 9300 9424 9500 9816 10000 10225 10602 11160 11250 11400 11625 11780 11875 12270 12400 12679 13680 13950 14136 14250 14724 14725 15000 15500 15542 16360 17100 17670 18000 18405 18600 19000 19375 19632 20450 21204 21375 22320 22500 22800 23250 23313 23560 23750 24540 25358 26505 27900 28272 28500 29448 29450 30000 30675 31000 31084 32720 34200 34875 35340 35625 36810 37200 38000 38037 38750 38855 40900 42408 42750 44175 45000 46500 46626 47120 47500 49080 50716 51125 53010 55800 57000 58125 58896 58900 61350 62000 62168 63395 68400 69750 69939 70680 71250 73620 73625 76074 77500 77710 81800 84816 85500 88350 90000 92025 93000 93252 95000 98160 101432 102250 106020 106875 111600 114000 114111 116250 116565 117800 122700 124336 126790 132525 139500 139878 141360 142500 147240 147250 152148 153375 155000 155420 163600 171000 174375 176700 184050 186000 186504 190000 190185 194275 202864 204500 212040 213750 220875 228222 232500 233130 235600 240901 245400 253580 255625 265050 279000 279756 285000 294480 294500 304296 306750 310000 310840 316975 342000 348750 349695 353400 368100 368125 373008 380370 388550 409000 424080 427500 441750 456444 460125 465000 466260 481802 490800 507160 511250 530100 558000 559512 570000 570555 582825 589000 608592 613500 621680 633950 662625 697500 699390 706800 722703 736200 736250 760740 766875 777100 818000 855000 883500 912888 920250 930000 932520 950925 963604 971375 1014320 1022500 1060200 1104375 1119024 1141110 1165650 1178000 1204505 1227000 1267900 1325250 1395000 1398780 1445406 1472400 1472500 1521480 1533750 1554200 1584875 1710000 1748475 1767000 1825776 1840500 1865040 1901850 1927208 1942750 2045000 2120400 2168109 2208750 2282220 2300625 2331300 2409010 2454000 2535800 2650500 2790000 2797560 2852775 2890812 2914125 2945000 3042960 3067500 3108400 3169750 3313125 3496950 3534000 3613515 3681000 3803700 3854416 3885500 4090000 4336218 4417500 4564440 4601250 4662600 4754625 4818020 4856875 5071600 5301000 5595120 5705550 5781624 5828250 5890000 6022525 6135000 6339500 6626250 6993900 7227030 7362000 7607400 7771000 7924375 8672436 8742375 8835000 9128880 9202500 9325200 9509250 9636040 9713750 10602000 10840545 11411100 11563248 11656500 12045050 12270000 12679000 13252500 13987800 14263875 14454060 14570625 15214800 15542000 15848750 17344872 17484750 17670000 18067575 18405000 19018500 19272080 19427500 21681090 22822200 23313000 23773125 24090100 25358000 26505000 27975600 28527750 28908120 29141250 30112625 31697500 34689744 34969500 36135150 36810000 38037000 38855000 43362180 43711875 45644400 46626000 47546250 48180200 53010000 54202725 57055500 57816240 58282500 60225250 63395000 69939000 71319375 72270300 76074000 77710000 86724360 87423750 90337875 95092500 96360400 108405450 114111000 116565000 120450500 126790000 139878000 142638750 144540600 150563125 173448720 174847500 180675750 190185000 216810900 228222000 233130000 240901000 271013625 285277500 289081200 301126250 349695000 361351500 380370000 433621800 451689375 481802000 542027250 570555000 602252500 699390000 722703000 867243600 903378750 1084054500 1141110000 1204505000 1355068125 1445406000 1806757500 2168109000 2409010000 2710136250 3613515000 4336218000 5420272500 7227030000 10840545000 21681090000
- Sum of all divisors σ(n): 82588563200
- Sum of proper divisors (its aliquot sum) s(n): 60907473200
- 21681090000 is an abundant number, because the sum of its proper divisors (60907473200) is greater than itself. Its abundance is 39226383200
Bases of 21681090000
- Binary: 101000011000100101100101101110100002
- Hexadecimal: 0x50C4B2DD0
- Base-36: 9YKD040
Squares and roots of 21681090000
- 21681090000 squared (216810900002) is 470069663588100000000
- 21681090000 cubed (216810900003) is 10191622682523319029000000000000
-
The
square root of 21681090000 is 147244.9999151075 -
The
cube root of 21681090000 is 2788.4340076919
Scales and comparisons
How big is 21681090000?- 21,681,090,000 seconds is equal to 689 years, 20 weeks, 2 days, 13 hours.
-
To count from 1 to 21,681,090,000 would take you about one thousand, three hundred seventy-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 21681090000 cubic inches would be around 232.4 feet tall.
Recreational maths with 21681090000
- 21681090000 backwards is 00009018612
- The number of decimal digits it has is: 11
- The sum of 21681090000's digits is 27
- More coming soon!
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