21042968640
21,042,968,640 is an even composite number composed of seven prime numbers multiplied together.
21042968640 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21042968640:
26 × 3 × 5 × 23 × 31 × 71 × 433
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 23 × 31 × 71 × 433)See below for interesting mathematical facts about the number 21042968640 from the Numbermatics database.
Names of 21042968640
- Cardinal: 21042968640 can be written as Twenty-one billion, forty-two million, nine hundred sixty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.104296864 × 1010
Factors of 21042968640
Divisors of 21042968640
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 31 32 40 46 48 60 62 64 69 71 80 92 93 96 115 120 124 138 142 155 160 184 186 192 213 230 240 248 276 284 310 320 345 355 368 372 426 433 460 465 480 496 552 568 620 690 710 713 736 744 852 866 920 930 960 992 1065 1104 1136 1240 1299 1380 1420 1426 1472 1488 1633 1704 1732 1840 1860 1984 2130 2139 2165 2201 2208 2272 2480 2598 2760 2840 2852 2976 3266 3408 3464 3565 3680 3720 4260 4278 4330 4402 4416 4544 4899 4960 5196 5520 5680 5704 5952 6495 6532 6603 6816 6928 7130 7360 7440 8165 8520 8556 8660 8804 9798 9920 9959 10392 10695 11005 11040 11360 11408 12990 13064 13206 13423 13632 13856 14260 14880 16330 17040 17112 17320 17608 19596 19918 20784 21390 22010 22080 22720 22816 24495 25980 26128 26412 26846 27712 28520 29760 29877 30743 32660 33015 34080 34224 34640 35216 39192 39836 40269 41568 42780 44020 45632 48990 49795 50623 51960 52256 52824 53692 57040 59754 61486 65320 66030 67115 68160 68448 69280 70432 78384 79672 80538 83136 85560 88040 92229 97980 99590 101246 103920 104512 105648 107384 114080 119508 122972 130640 132060 134230 136896 138560 140864 149385 151869 153715 156768 159344 161076 171120 176080 184458 195960 199180 201345 202492 207840 211296 214768 228160 239016 245944 253115 261280 264120 268460 298770 303738 307430 308729 313536 318688 322152 342240 352160 368916 391920 398360 402690 404984 415680 422592 429536 461145 478032 491888 506230 522560 528240 536920 597540 607476 614860 617458 637376 644304 684480 704320 707089 737832 759345 783840 796720 805380 809968 859072 922290 926187 953033 956064 983776 1012460 1056480 1073840 1195080 1214952 1229720 1234916 1288608 1414178 1475664 1518690 1543645 1567680 1593440 1610760 1619936 1844580 1852374 1906066 1912128 1967552 2024920 2112960 2121267 2147680 2390160 2429904 2459440 2469832 2577216 2828356 2859099 2951328 3037380 3087290 3186880 3221520 3239872 3535445 3689160 3704748 3812132 4049840 4242534 4295360 4630935 4765165 4780320 4859808 4918880 4939664 5656712 5718198 5902656 6074760 6174580 6443040 7070890 7378320 7409496 7624264 8099680 8485068 9261870 9530330 9560640 9719616 9837760 9879328 10606335 11313424 11436396 12149520 12349160 12886080 14141780 14295495 14756640 14818992 15248528 16199360 16970136 18523740 19060660 19758656 21212670 21919759 22626848 22872792 24299040 24698320 28283560 28590990 29513280 29637984 30497056 33940272 37047480 38121320 42425340 43839518 45253696 45745584 48598080 49396640 56567120 57181980 59275968 60994112 65759277 67880544 74094960 76242640 84850680 87679036 91491168 98793280 109598795 113134240 114363960 131518554 135761088 148189920 152485280 169701360 175358072 182982336 219197590 226268480 228727920 263037108 296379840 304970560 328796385 339402720 350716144 438395180 457455840 526074216 657592770 678805440 701432288 876790360 914911680 1052148432 1315185540 1402864576 1753580720 2104296864 2630371080 3507161440 4208593728 5260742160 7014322880 10521484320 21042968640
- Sum of all divisors σ(n): 73147318272
- Sum of proper divisors (its aliquot sum) s(n): 52104349632
- 21042968640 is an abundant number, because the sum of its proper divisors (52104349632) is greater than itself. Its abundance is 31061380992
Bases of 21042968640
- Binary: 100111001100100001000111000010000002
- Hexadecimal: 0x4E6423840
- Base-36: 9O0FUIO
Squares and roots of 21042968640
- 21042968640 squared (210429686402) is 442806529184023449600
- 21042968640 cubed (210429686403) is 9317963907206650238957420544000
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The
square root of 21042968640 is 145061.9475948119 -
The
cube root of 21042968640 is 2760.8045963389
Scales and comparisons
How big is 21042968640?- 21,042,968,640 seconds is equal to 669 years, 5 weeks, 1 day, 21 hours, 4 minutes.
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To count from 1 to 21,042,968,640 would take you about one thousand, three hundred thirty-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 21042968640 cubic inches would be around 230.1 feet tall.
Recreational maths with 21042968640
- 21042968640 backwards is 04686924012
- The number of decimal digits it has is: 11
- The sum of 21042968640's digits is 42
- More coming soon!
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The information we have on file for 21042968640 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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