21428354640
21,428,354,640 is an even composite number composed of six prime numbers multiplied together.
21428354640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21428354640:
24 × 3 × 5 × 72 × 113 × 372
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 11 × 11 × 11 × 37 × 37)See below for interesting mathematical facts about the number 21428354640 from the Numbermatics database.
Names of 21428354640
- Cardinal: 21428354640 can be written as Twenty-one billion, four hundred twenty-eight million, three hundred fifty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.142835464 × 1010
Factors of 21428354640
Divisors of 21428354640
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 33 35 37 40 42 44 48 49 55 56 60 66 70 74 77 80 84 88 98 105 110 111 112 120 121 132 140 147 148 154 165 168 176 185 196 210 220 222 231 240 242 245 259 264 280 294 296 308 330 336 363 370 385 392 407 420 440 444 462 484 490 518 528 539 555 560 588 592 605 616 660 726 735 740 770 777 784 814 840 847 880 888 924 968 980 1036 1078 1110 1155 1176 1210 1221 1232 1295 1320 1331 1369 1452 1470 1480 1540 1554 1617 1628 1680 1694 1776 1813 1815 1848 1936 1960 2035 2072 2156 2220 2310 2352 2420 2442 2541 2590 2640 2662 2695 2738 2849 2904 2940 2960 3080 3108 3234 3256 3388 3626 3630 3696 3885 3920 3993 4070 4107 4144 4235 4312 4440 4477 4620 4840 4884 5082 5180 5324 5390 5439 5476 5698 5808 5880 5929 6105 6160 6216 6468 6512 6655 6776 6845 7252 7260 7770 7986 8085 8140 8214 8470 8547 8624 8880 8954 9065 9240 9317 9583 9680 9768 10164 10360 10648 10780 10878 10952 11396 11760 11858 12210 12432 12705 12936 13310 13431 13552 13690 14245 14504 14520 15059 15540 15972 16170 16280 16428 16940 17094 17787 17908 18130 18480 18634 19166 19536 19943 19965 20328 20535 20720 21296 21560 21756 21904 22385 22792 23716 24420 25410 25872 26620 26862 27195 27380 27951 28490 28749 29008 29040 29645 30118 31080 31339 31944 32340 32560 32856 33880 34188 35574 35816 36260 37268 38332 39886 39930 40656 41070 42735 43120 43512 44770 45177 45584 46585 47432 47915 48840 49247 50820 53240 53724 54390 54760 55902 56980 57498 59290 59829 60236 62160 62678 63888 64680 65219 65712 67081 67155 67760 68376 71148 71632 72520 74536 75295 76664 79772 79860 82140 85470 87024 88935 89540 90354 93170 94017 94864 95830 97680 98494 99715 101640 105413 106480 107448 108780 109520 111804 113960 114996 118580 119658 120472 125356 129360 130438 134162 134310 136752 139755 142296 143745 145040 147741 149072 150590 153328 156695 159544 159720 164280 165649 170940 177870 179080 180708 186340 188034 191660 195657 196988 199430 201243 203280 210826 214896 217560 219373 223608 225885 227920 229992 237160 239316 240944 246235 250712 260876 268324 268620 279510 284592 287490 295482 299145 301180 313390 316239 319088 319440 326095 328560 331298 335405 341880 344729 355740 358160 361416 372680 376068 383320 391314 393976 398860 402486 421652 435120 438746 447216 451770 459984 470085 474320 478632 492470 496947 501424 521752 527065 536648 537240 559020 574980 590964 598290 602360 626780 632478 652190 658119 662596 670810 683760 689458 711480 722832 737891 738705 745360 752136 766640 782628 787952 797720 804972 828245 843304 877492 903540 940170 957264 978285 984940 993894 1006215 1034187 1043504 1054130 1073296 1074480 1096865 1118040 1149960 1159543 1181928 1196580 1204720 1253560 1264956 1304380 1316238 1325192 1341620 1378916 1422960 1475782 1477410 1504272 1565256 1581195 1595440 1609944 1656490 1686608 1723645 1754984 1807080 1822139 1880340 1956570 1969880 1987788 2012430 2068374 2108260 2193730 2213673 2236080 2299920 2319086 2363856 2393160 2413103 2484735 2507120 2529912 2608760 2632476 2650384 2683240 2757832 2951564 2954820 3130512 3162390 3219888 3290595 3312980 3447290 3478629 3509968 3614160 3644278 3689455 3760680 3913140 3939760 3975576 4024860 4136748 4216520 4387460 4427346 4638172 4786320 4826206 4969470 5059824 5170935 5217520 5264952 5366480 5466417 5515664 5797715 5903128 5909640 6324780 6581190 6625960 6894580 6957258 7239309 7288556 7378910 7521360 7826280 7951152 8049720 8116801 8273496 8433040 8774920 8854692 9110695 9276344 9652412 9938940 10341870 10529904 10932834 11068365 11595430 11806256 11819280 12065515 12649560 12754973 13162380 13251920 13789160 13914516 14478618 14577112 14757820 15652560 16099440 16233602 16546992 17393145 17549840 17709384 18221390 18552688 19304824 19877880 20683740 21865668 22136730 23190860 24131030 24350403 25299120 25509946 26324760 27332085 27578320 27829032 28957236 29154224 29515640 32467204 34786290 35418768 36196545 36442780 38264919 38609648 39755760 40584005 41367480 43731336 44273460 46381720 48262060 48700806 51019892 52649520 54664170 55658064 57914472 59031280 63774865 64934408 69572580 72393090 72885560 76529838 81168010 82734960 87462672 88546920 89284811 92763440 96524120 97401612 102039784 109328340 115828944 121752015 127549730 129868816 139145160 144786180 145771120 153059676 162336020 177093840 178569622 191324595 193048240 194803224 204079568 218656680 243504030 255099460 267854433 278290320 289572360 306119352 324672040 357139244 382649190 389606448 437313360 446424055 487008060 510198920 535708866 579144720 612238704 649344080 714278488 765298380 892848110 974016120 1020397840 1071417732 1339272165 1428556976 1530596760 1785696220 1948032240 2142835464 2678544330 3061193520 3571392440 4285670928 5357088660 7142784880 10714177320 21428354640
- Sum of all divisors σ(n): 87354033984
- Sum of proper divisors (its aliquot sum) s(n): 65925679344
- 21428354640 is an abundant number, because the sum of its proper divisors (65925679344) is greater than itself. Its abundance is 44497324704
Bases of 21428354640
- Binary: 100111111010011101010111110010100002
- Hexadecimal: 0x4FD3ABE50
- Base-36: 9UDW09C
Squares and roots of 21428354640
- 21428354640 squared (214283546402) is 459174382577609529600
- 21428354640 cubed (214283546403) is 9839351511476054323712377344000
-
The
square root of 21428354640 is 146384.2704664679 -
The
cube root of 21428354640 is 2777.5567547139
Scales and comparisons
How big is 21428354640?- 21,428,354,640 seconds is equal to 681 years, 18 weeks, 3 days, 8 hours, 44 minutes.
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To count from 1 to 21,428,354,640 would take you about one thousand, three hundred sixty-two 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 21428354640 cubic inches would be around 231.5 feet tall.
Recreational maths with 21428354640
- 21428354640 backwards is 04645382412
- The number of decimal digits it has is: 11
- The sum of 21428354640's digits is 39
- More coming soon!
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"Number 21428354640 - Facts about the integer". Numbermatics.com. 2024. Web. 9 May 2024.
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Numbermatics. (2024). Number 21428354640 - Facts about the integer. Retrieved 9 May 2024, from https://numbermatics.com/n/21428354640/
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The information we have on file for 21428354640 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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