21026388240
21,026,388,240 is an even composite number composed of six prime numbers multiplied together.
21026388240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21026388240:
24 × 34 × 5 × 11 × 13 × 22691
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 11 × 13 × 22691)See below for interesting mathematical facts about the number 21026388240 from the Numbermatics database.
Names of 21026388240
- Cardinal: 21026388240 can be written as Twenty-one billion, twenty-six million, three hundred eighty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.102638824 × 1010
Factors of 21026388240
Divisors of 21026388240
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 27 30 33 36 39 40 44 45 48 52 54 55 60 65 66 72 78 80 81 88 90 99 104 108 110 117 120 130 132 135 143 144 156 162 165 176 180 195 198 208 216 220 234 240 260 264 270 286 297 312 324 330 351 360 390 396 405 429 432 440 468 495 520 528 540 572 585 594 624 648 660 702 715 720 780 792 810 858 880 891 936 990 1040 1053 1080 1144 1170 1188 1287 1296 1320 1404 1430 1485 1560 1584 1620 1716 1755 1782 1872 1980 2106 2145 2160 2288 2340 2376 2574 2640 2808 2860 2970 3120 3240 3432 3510 3564 3861 3960 4212 4290 4455 4680 4752 5148 5265 5616 5720 5940 6435 6480 6864 7020 7128 7722 7920 8424 8580 8910 9360 10296 10530 11440 11583 11880 12870 14040 14256 15444 16848 17160 17820 19305 20592 21060 22691 23166 23760 25740 28080 30888 34320 35640 38610 42120 45382 46332 51480 57915 61776 68073 71280 77220 84240 90764 92664 102960 113455 115830 136146 154440 181528 185328 204219 226910 231660 249601 272292 294983 308880 340365 363056 408438 453820 463320 499202 544584 589966 612657 680730 748803 816876 884949 907640 926640 998404 1021095 1089168 1179932 1225314 1248005 1361460 1474915 1497606 1633752 1769898 1815280 1837971 1996808 2042190 2246409 2359864 2450628 2496010 2654847 2722920 2949830 2995212 3063285 3244813 3267504 3539796 3675942 3744015 3993616 4084380 4424745 4492818 4719728 4901256 4992020 5309694 5445840 5899660 5990424 6126570 6489626 6739227 7079592 7351884 7488030 7964541 8168760 8849490 8985636 9189855 9734439 9802512 9984040 10619388 11232045 11799320 11980848 12253140 12979252 13274235 13478454 14159184 14703768 14976060 15929082 16224065 16337520 17698980 17971272 18379710 19468878 19968080 20217681 21238776 22464090 23598640 23893623 24506280 25958504 26548470 26956908 29203317 29407536 29952120 31858164 32448130 33696135 35397960 35942544 36759420 38937756 39822705 40435362 42477552 44928180 47787246 48672195 49012560 51917008 53096940 53913816 58406634 59904240 63716328 64896260 67392270 70795920 73518840 77875512 79645410 80870724 87609951 89856360 95574492 97344390 101088405 106193880 107827632 116813268 119468115 127432656 129792520 134784540 146016585 147037680 155751024 159290820 161741448 175219902 179712720 191148984 194688780 202176810 212387760 233626536 238936230 259585040 262829853 269569080 292033170 318581640 323482896 350439804 382297968 389377560 404353620 438049755 467253072 477872460 525659706 539138160 584066340 637163280 700879608 778755120 808707240 876099510 955744920 1051319412 1168132680 1314149265 1401759216 1617414480 1752199020 1911489840 2102638824 2336265360 2628298530 3504398040 4205277648 5256597060 7008796080 10513194120 21026388240
- Sum of all divisors σ(n): 85798633536
- Sum of proper divisors (its aliquot sum) s(n): 64772245296
- 21026388240 is an abundant number, because the sum of its proper divisors (64772245296) is greater than itself. Its abundance is 43745857056
Bases of 21026388240
- Binary: 100111001010100010100111001000100002
- Hexadecimal: 0x4E5453910
- Base-36: 9NQKH00
Squares and roots of 21026388240
- 21026388240 squared (210263882402) is 442109002419210297600
- 21026388240 cubed (210263882403) is 9295955529265414951543540224000
-
The
square root of 21026388240 is 145004.7869554657 -
The
cube root of 21026388240 is 2760.0792982887
Scales and comparisons
How big is 21026388240?- 21,026,388,240 seconds is equal to 668 years, 29 weeks, 5 days, 23 hours, 24 minutes.
-
To count from 1 to 21,026,388,240 would take you about one thousand, three hundred thirty-seven 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 21026388240 cubic inches would be around 230 feet tall.
Recreational maths with 21026388240
- 21026388240 backwards is 04288362012
- 21026388240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21026388240's digits is 36
- More coming soon!
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The information we have on file for 21026388240 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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