21135731328
21,135,731,328 is an even composite number composed of five prime numbers multiplied together.
21135731328 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21135731328:
27 × 33 × 19 × 109 × 2953
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 19 × 109 × 2953)See below for interesting mathematical facts about the number 21135731328 from the Numbermatics database.
Names of 21135731328
- Cardinal: 21135731328 can be written as Twenty-one billion, one hundred thirty-five million, seven hundred thirty-one thousand, three hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1135731328 × 1010
Factors of 21135731328
Divisors of 21135731328
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 108 109 114 128 144 152 171 192 216 218 228 288 304 327 342 384 432 436 456 513 576 608 654 684 864 872 912 981 1026 1152 1216 1308 1368 1728 1744 1824 1962 2052 2071 2432 2616 2736 2943 2953 3456 3488 3648 3924 4104 4142 5232 5472 5886 5906 6213 6976 7296 7848 8208 8284 8859 10464 10944 11772 11812 12426 13952 15696 16416 16568 17718 18639 20928 21888 23544 23624 24852 26577 31392 32832 33136 35436 37278 41856 47088 47248 49704 53154 55917 56107 62784 65664 66272 70872 74556 79731 94176 94496 99408 106308 111834 112214 125568 132544 141744 149112 159462 168321 188352 188992 198816 212616 223668 224428 265088 283488 298224 318924 321877 336642 376704 377984 397632 425232 447336 448856 504963 566976 596448 637848 643754 673284 795264 850464 894672 897712 965631 1009926 1133952 1192896 1275696 1287508 1346568 1514889 1700928 1789344 1795424 1931262 2019852 2385792 2551392 2575016 2693136 2896893 3029778 3401856 3578688 3590848 3862524 4039704 5102784 5150032 5386272 5793786 6059556 6115663 7157376 7181696 7725048 8079408 8690679 10205568 10300064 10772544 11587572 12119112 12231326 15450096 16158816 17381358 18346989 20600128 21545088 23175144 24238224 24462652 30900192 32317632 34762716 36693978 41200256 46350288 48476448 48925304 55040967 61800384 64635264 69525432 73387956 92700576 96952896 97850608 110081934 123600768 139050864 146775912 165122901 185401152 193905792 195701216 220163868 278101728 293551824 330245802 370802304 391402432 440327736 556203456 587103648 660491604 782804864 880655472 1112406912 1174207296 1320983208 1761310944 2348414592 2641966416 3522621888 5283932832 7045243776 10567865664 21135731328
- Sum of all divisors σ(n): 66287760000
- Sum of proper divisors (its aliquot sum) s(n): 45152028672
- 21135731328 is an abundant number, because the sum of its proper divisors (45152028672) is greater than itself. Its abundance is 24016297344
Bases of 21135731328
- Binary: 100111010111100100110101010100000002
- Hexadecimal: 0x4EBC9AA80
- Base-36: 9PJO2O0
Squares and roots of 21135731328
- 21135731328 squared (211357313282) is 446719138769400643584
- 21135731328 cubed (211357313283) is 9441735696105600550381710999552
-
The
square root of 21135731328 is 145381.3307409175 -
The
cube root of 21135731328 is 2764.8554230305
Scales and comparisons
How big is 21135731328?- 21,135,731,328 seconds is equal to 672 years, 2 weeks, 4 days, 12 hours, 28 minutes, 48 seconds.
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To count from 1 to 21,135,731,328 would take you about one thousand, three hundred forty-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 21135731328 cubic inches would be around 230.4 feet tall.
Recreational maths with 21135731328
- 21135731328 backwards is 82313753112
- 21135731328 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21135731328's digits is 36
- More coming soon!
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