21457473984
21,457,473,984 is an even composite number composed of seven prime numbers multiplied together.
21457473984 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21457473984:
26 × 32 × 17 × 19 × 29 × 41 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 19 × 29 × 41 × 97)See below for interesting mathematical facts about the number 21457473984 from the Numbermatics database.
Names of 21457473984
- Cardinal: 21457473984 can be written as Twenty-one billion, four hundred fifty-seven million, four hundred seventy-three thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1457473984 × 1010
Factors of 21457473984
Divisors of 21457473984
- Number of divisors d(n): 672
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 19 24 29 32 34 36 38 41 48 51 57 58 64 68 72 76 82 87 96 97 102 114 116 123 136 144 152 153 164 171 174 192 194 204 228 232 246 261 272 288 291 304 306 323 328 342 348 369 388 408 456 464 492 493 522 544 551 576 582 608 612 646 656 684 696 697 738 776 779 816 873 912 928 969 984 986 1044 1088 1102 1164 1189 1216 1224 1292 1312 1368 1392 1394 1476 1479 1552 1558 1632 1649 1653 1746 1824 1843 1856 1938 1968 1972 2088 2091 2204 2328 2337 2378 2448 2584 2624 2736 2784 2788 2813 2907 2952 2958 3104 3116 3264 3298 3306 3492 3567 3648 3686 3876 3936 3944 3977 4176 4182 4408 4437 4656 4674 4756 4896 4947 4959 5168 5472 5529 5568 5576 5626 5814 5904 5916 6208 6232 6273 6596 6612 6984 7011 7134 7372 7752 7872 7888 7954 8352 8364 8439 8816 8874 9312 9348 9367 9512 9792 9894 9918 10336 10701 10944 11058 11152 11252 11628 11808 11832 11931 12464 12546 13192 13224 13243 13968 14022 14268 14744 14841 15504 15776 15908 16587 16704 16728 16878 17632 17748 18624 18696 18734 19024 19788 19836 20213 20672 21402 22116 22304 22504 22591 23256 23616 23664 23862 24928 25092 25317 26384 26448 26486 27936 28044 28101 28536 29488 29682 31008 31331 31552 31816 33174 33456 33756 35264 35496 35793 37392 37468 38048 39576 39672 39729 40426 42804 44232 44608 45008 45182 46512 47328 47724 47821 49856 50184 50634 52768 52896 52972 53447 55872 56088 56202 57072 58976 59364 60639 62016 62662 63632 66348 66912 67512 67609 67773 70992 71586 74784 74936 75563 76096 79152 79344 79458 80852 84303 85608 88464 90016 90364 93024 93993 94656 95448 95642 100368 101268 105536 105792 105944 106894 112176 112404 114144 115333 117952 118728 119187 121278 125324 127264 132696 133824 135024 135218 135546 141984 143172 143463 149568 149872 151126 158304 158688 158916 160341 161704 168606 171216 176928 180032 180728 181917 186048 187986 190896 191284 200736 202536 202827 203319 211888 213788 224352 224808 226689 228288 230666 237456 238374 242556 250648 254528 265392 270048 270436 271092 281979 283968 286344 286926 299744 302252 316608 317376 317832 320682 323408 337212 342432 345999 353856 361456 363834 375972 381792 382568 384047 401472 405072 405654 406638 423776 427576 430389 448704 449616 453378 461332 474912 476748 481023 485112 501296 530784 540096 540872 542184 563958 572688 573852 599488 604504 608481 635664 641364 646816 674424 680067 684864 691998 722912 727668 751944 763584 765136 768094 810144 811308 813276 847552 855152 860778 899232 906756 908599 922664 949824 953496 962046 970224 1002592 1037997 1061568 1081744 1084368 1127916 1145376 1147704 1152141 1209008 1216962 1271328 1282728 1284571 1293632 1348848 1360134 1383996 1445824 1455336 1503888 1530272 1536188 1620288 1622616 1626552 1710304 1721556 1798464 1813512 1817198 1845328 1906992 1924092 1940448 1960661 2005184 2075994 2163488 2168736 2191327 2255832 2290752 2295408 2304282 2418016 2433924 2542656 2565456 2569142 2697696 2720268 2725797 2767992 2910672 3007776 3060544 3072376 3245232 3253104 3420608 3443112 3456423 3627024 3634396 3690656 3813984 3848184 3853713 3880896 3921322 4151988 4326976 4337472 4382654 4511664 4590816 4608564 4836032 4867848 5130912 5138284 5395392 5440536 5451594 5535984 5821344 5881983 6015552 6144752 6490464 6506208 6573981 6886224 6912846 7254048 7268792 7381312 7627968 7696368 7707426 7842644 8177391 8303976 8765308 9023328 9181632 9217128 9735696 10261824 10276568 10881072 10903188 11071968 11561139 11642688 11763966 12289504 12980928 13012416 13147962 13772448 13825692 14508096 14537584 15392736 15414852 15685288 16354782 16607952 17530616 17645949 18046656 18434256 19471392 19721943 20553136 21762144 21806376 22143936 23122278 23527932 24579008 26295924 27544896 27651384 29075168 30785472 30829704 31370576 32709564 33215904 35061232 35291898 36868512 37252559 38942784 39443886 41106272 43524288 43612752 46244556 47055864 52591848 55302768 58150336 61659408 62741152 65419128 66431808 70122464 70583796 73737024 74505118 78887772 82212544 87225504 92489112 94111728 105183696 110605536 111757677 123318816 125482304 130838256 140244928 141167592 149010236 157775544 174451008 184978224 188223456 210367392 221211072 223515354 246637632 261676512 282335184 298020472 315551088 335273031 369956448 376446912 420734784 447030708 523353024 564670368 596040944 631102176 670546062 739912896 894061416 1129340736 1192081888 1262204352 1341092124 1788122832 2384163776 2682184248 3576245664 5364368496 7152491328 10728736992 21457473984
- Sum of all divisors σ(n): 73391572800
- Sum of proper divisors (its aliquot sum) s(n): 51934098816
- 21457473984 is an abundant number, because the sum of its proper divisors (51934098816) is greater than itself. Its abundance is 30476624832
Bases of 21457473984
- Binary: 100111111101111011100010001110000002
- Hexadecimal: 0x4FEF711C0
- Base-36: 9UV84W0
Squares and roots of 21457473984
- 21457473984 squared (214574739842) is 460423189774036832256
- 21457473984 cubed (214574739843) is 9879518616206690166790892027904
-
The
square root of 21457473984 is 146483.6986971587 -
The
cube root of 21457473984 is 2778.8143411059
Scales and comparisons
How big is 21457473984?- 21,457,473,984 seconds is equal to 682 years, 14 weeks, 4 days, 9 hours, 26 minutes, 24 seconds.
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To count from 1 to 21,457,473,984 would take you about one thousand, three hundred sixty-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 21457473984 cubic inches would be around 231.6 feet tall.
Recreational maths with 21457473984
- 21457473984 backwards is 48937475412
- The number of decimal digits it has is: 11
- The sum of 21457473984's digits is 54
- More coming soon!
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The information we have on file for 21457473984 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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