21081446400
21,081,446,400 is an even composite number composed of five prime numbers multiplied together.
21081446400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21081446400:
211 × 3 × 52 × 72 × 2801
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 7 × 7 × 2801)See below for interesting mathematical facts about the number 21081446400 from the Numbermatics database.
Names of 21081446400
- Cardinal: 21081446400 can be written as Twenty-one billion, eighty-one million, four hundred forty-six thousand, four hundred.
Scientific notation
- Scientific notation: 2.10814464 × 1010
Factors of 21081446400
Divisors of 21081446400
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 49 50 56 60 64 70 75 80 84 96 98 100 105 112 120 128 140 147 150 160 168 175 192 196 200 210 224 240 245 256 280 294 300 320 336 350 384 392 400 420 448 480 490 512 525 560 588 600 640 672 700 735 768 784 800 840 896 960 980 1024 1050 1120 1176 1200 1225 1280 1344 1400 1470 1536 1568 1600 1680 1792 1920 1960 2048 2100 2240 2352 2400 2450 2560 2688 2800 2801 2940 3072 3136 3200 3360 3584 3675 3840 3920 4200 4480 4704 4800 4900 5120 5376 5600 5602 5880 6144 6272 6400 6720 7168 7350 7680 7840 8400 8403 8960 9408 9600 9800 10240 10752 11200 11204 11760 12544 12800 13440 14005 14336 14700 15360 15680 16800 16806 17920 18816 19200 19600 19607 21504 22400 22408 23520 25088 25600 26880 28010 29400 30720 31360 33600 33612 35840 37632 38400 39200 39214 42015 43008 44800 44816 47040 50176 51200 53760 56020 58800 58821 62720 67200 67224 70025 71680 75264 76800 78400 78428 84030 89600 89632 94080 98035 100352 107520 112040 117600 117642 125440 134400 134448 137249 140050 150528 153600 156800 156856 168060 179200 179264 188160 196070 210075 215040 224080 235200 235284 250880 268800 268896 274498 280100 294105 301056 313600 313712 336120 358400 358528 376320 392140 411747 420150 448160 470400 470568 490175 501760 537600 537792 548996 560200 588210 627200 627424 672240 686245 717056 752640 784280 823494 840300 896320 940800 941136 980350 1075200 1075584 1097992 1120400 1176420 1254400 1254848 1344480 1372490 1434112 1470525 1505280 1568560 1646988 1680600 1792640 1881600 1882272 1960700 2058735 2151168 2195984 2240800 2352840 2508800 2509696 2688960 2744980 2868224 2941050 3137120 3293976 3361200 3431225 3585280 3763200 3764544 3921400 4117470 4302336 4391968 4481600 4705680 5019392 5377920 5489960 5736448 5882100 6274240 6587952 6722400 6862450 7170560 7526400 7529088 7842800 8234940 8604672 8783936 8963200 9411360 10038784 10293675 10755840 10979920 11764200 12548480 13175904 13444800 13724900 14341120 15058176 15685600 16469880 17209344 17567872 17926400 18822720 20077568 20587350 21511680 21959840 23528400 25096960 26351808 26889600 27449800 28682240 30116352 31371200 32939760 35135744 35852800 37645440 40155136 41174700 43023360 43919680 47056800 50193920 52703616 53779200 54899600 60232704 62742400 65879520 70271488 71705600 75290880 82349400 86046720 87839360 94113600 100387840 105407232 107558400 109799200 120465408 125484800 131759040 140542976 143411200 150581760 164698800 175678720 188227200 200775680 210814464 215116800 219598400 250969600 263518080 281085952 301163520 329397600 351357440 376454400 421628928 430233600 439196800 501939200 527036160 602327040 658795200 702714880 752908800 843257856 878393600 1003878400 1054072320 1317590400 1405429760 1505817600 1756787200 2108144640 2635180800 3011635200 3513574400 4216289280 5270361600 7027148800 10540723200 21081446400
- Sum of all divisors σ(n): 81099574920
- Sum of proper divisors (its aliquot sum) s(n): 60018128520
- 21081446400 is an abundant number, because the sum of its proper divisors (60018128520) is greater than itself. Its abundance is 38936682120
Bases of 21081446400
- Binary: 100111010001000110101011000000000002
- Hexadecimal: 0x4E88D5800
- Base-36: 9ONCK5C
Squares and roots of 21081446400
- 21081446400 squared (210814464002) is 444427382316072960000
- 21081446400 cubed (210814464003) is 9369172038988599964729344000000
-
The
square root of 21081446400 is 145194.5122929927 -
The
cube root of 21081446400 is 2762.4863123883
Scales and comparisons
How big is 21081446400?- 21,081,446,400 seconds is equal to 670 years, 16 weeks, 6 days, 5 hours, 20 minutes.
-
To count from 1 to 21,081,446,400 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 21081446400 cubic inches would be around 230.2 feet tall.
Recreational maths with 21081446400
- 21081446400 backwards is 00464418012
- 21081446400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21081446400's digits is 30
- More coming soon!
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The information we have on file for 21081446400 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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