21621512832
21,621,512,832 is an even composite number composed of six prime numbers multiplied together.
21621512832 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21621512832:
27 × 3 × 17 × 29 × 181 × 631
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 17 × 29 × 181 × 631)See below for interesting mathematical facts about the number 21621512832 from the Numbermatics database.
Names of 21621512832
- Cardinal: 21621512832 can be written as Twenty-one billion, six hundred twenty-one million, five hundred twelve thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 2.1621512832 × 1010
Factors of 21621512832
Divisors of 21621512832
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 12 16 17 24 29 32 34 48 51 58 64 68 87 96 102 116 128 136 174 181 192 204 232 272 348 362 384 408 464 493 543 544 631 696 724 816 928 986 1086 1088 1262 1392 1448 1479 1632 1856 1893 1972 2172 2176 2524 2784 2896 2958 3077 3264 3712 3786 3944 4344 5048 5249 5568 5792 5916 6154 6528 7572 7888 8688 9231 10096 10498 10727 11136 11584 11832 12308 15144 15747 15776 17376 18299 18462 20192 20996 21454 23168 23664 24616 30288 31494 31552 32181 34752 36598 36924 40384 41992 42908 47328 49232 54897 60576 62988 63104 64362 69504 73196 73848 80768 83984 85816 89233 94656 98464 109794 114211 121152 125976 128724 146392 147696 167968 171632 178466 189312 196928 219588 228422 242304 251952 257448 267699 292784 295392 311083 335936 342633 343264 356932 393856 439176 456844 503904 514896 535398 585568 590784 622166 671872 685266 686528 713864 878352 913688 933249 1007808 1029792 1070796 1171136 1181568 1244332 1370532 1373056 1427728 1756704 1827376 1866498 1941587 2015616 2059584 2141592 2342272 2488664 2741064 2855456 3312119 3513408 3654752 3732996 3883174 4119168 4283184 4977328 5482128 5710912 5824761 6624238 7026816 7309504 7465992 7766348 8566368 9936357 9954656 10964256 11421824 11649522 13248476 14619008 14931984 15532696 17132736 19872714 19909312 21928512 23299044 26496952 29863968 31065392 34265472 39745428 39818624 43857024 46598088 52993904 56306023 59727936 62130784 79490856 93196176 105987808 112612046 119455872 124261568 158981712 168918069 186392352 211975616 225224092 248523136 317963424 337836138 372784704 423951232 450448184 635926848 675672276 745569408 900896368 1271853696 1351344552 1801792736 2702689104 3603585472 5405378208 7207170944 10810756416 21621512832
- Sum of all divisors σ(n): 63355219200
- Sum of proper divisors (its aliquot sum) s(n): 41733706368
- 21621512832 is an abundant number, because the sum of its proper divisors (41733706368) is greater than itself. Its abundance is 20112193536
Bases of 21621512832
- Binary: 101000010001011111000011010100000002
- Hexadecimal: 0x508BE1A80
- Base-36: 9XKW22O
Squares and roots of 21621512832
- 21621512832 squared (216215128322) is 467489817144340660224
- 21621512832 cubed (216215128323) is 10107837080215695181212567994368
-
The
square root of 21621512832 is 147042.5544935887 -
The
cube root of 21621512832 is 2785.8775648795
Scales and comparisons
How big is 21621512832?- 21,621,512,832 seconds is equal to 687 years, 25 weeks, 5 days, 23 hours, 47 minutes, 12 seconds.
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To count from 1 to 21,621,512,832 would take you about one thousand, three hundred seventy-four 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 21621512832 cubic inches would be around 232.2 feet tall.
Recreational maths with 21621512832
- 21621512832 backwards is 23821512612
- The number of decimal digits it has is: 11
- The sum of 21621512832's digits is 33
- More coming soon!
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