21421509153408

Names of 21421509153408

• Cardinal: 21421509153408 can be written as Twenty-one trillion, four hundred twenty-one billion, five hundred nine million, one hundred fifty-three thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1421509153408 × 10¹³

Factors of 21421509153408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 134

Divisors of 21421509153408

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 81 84 91 96 98 104 108 109 112 117 126 128 144 147 156 162 168 169 182 189 192 196 208 216 218 224 234 243 252 273 288 294 312 324 327 336 338 343 351 364 378 384 392 416 432 436 441 448 468 486 504 507 546 567 576 588 624 637 648 654 672 676 686 702 728 756 763 784 819 832 864 872 882 896 936 972 981 1008 1014 1029 1053 1092 1134 1152 1176 1183 1248 1274 1296 1308 1323 1344 1352 1372 1404 1417 1456 1512 1521 1526 1568 1638 1664 1701 1728 1744 1764 1872 1911 1944 1962 2016 2028 2058 2106 2184 2268 2289 2352 2366 2457 2496 2548 2592 2616 2646 2688 2704 2744 2808 2834 2912 2943 3024 3042 3052 3087 3136 3159 3276 3402 3456 3488 3528 3549 3744 3822 3888 3924 3969 4032 4056 4116 4212 4251 4368 4459 4536 4563 4578 4704 4732 4914 4992 5096 5184 5232 5292 5341 5408 5488 5616 5668 5733 5824 5886 6048 6084 6104 6174 6272 6318 6552 6804 6867 6976 7056 7098 7371 7488 7644 7776 7848 7938 8064 8112 8232 8281 8424 8502 8736 8829 8918 9072 9126 9156 9261 9408 9464 9828 9919 10192 10368 10464 10584 10647 10682 10816 10976 11232 11336 11466 11648 11772 11881 11907 12096 12168 12208 12348 12636 12753 13104 13377 13608 13689 13734 13952 14112 14196 14742 14976 15288 15552 15696 15876 16023 16224 16464 16562 16848 17004 17199 17472 17658 17836 18144 18252 18312 18421 18522 18816 18928 19656 19838 20384 20601 20928 21168 21294 21364 21632 21952 22113 22464 22672 22932 23544 23762 23814 24192 24336 24416 24696 24843 25272 25506 26208 26487 26754 27216 27378 27468 27783 28224 28392 29484 29757 30576 31104 31392 31752 31941 32046 32448 32928 33124 33696 34008 34398 34944 35316 35643 35672 36288 36504 36624 36842 37044 37387 37856 38259 39312 39676 40131 40768 41067 41202 41856 42336 42588 42728 43904 44226 44928 45344 45864 47088 47524 47628 48069 48672 48832 49392 49686 50544 51012 51597 52416 52974 53508 54432 54756 54936 55263 55566 56448 56784 57967 58968 59514 61152 61803 62784 63504 63882 64092 64896 65856 66248 67392 68016 68796 69433 70632 71286 71344 72576 73008 73248 73684 74088 74529 74774 75712 76518 78624 79352 80262 81536 82134 82404 83167 83349 84672 85176 85456 88452 89271 90688 91728 94176 95048 95256 95823 96138 97344 97664 98784 99372 101088 102024 103194 104832 105948 106929 107016 108864 109512 109872 110526 111132 112161 113568 114777 115934 117936 119028 120393 122304 123606 125568 127008 127764 128184 128947 131712 132496 134784 136032 137592 138866 141264 142572 142688 144207 146016 146496 147368 148176 149058 149548 151424 153036 154453 154791 157248 158704 160524 164268 164808 165789 166334 166698 169344 170352 170912 173901 176904 178542 181376 183456 185409 188352 190096 190512 191646 192276 194688 197568 198744 202176 204048 206388 208299 211896 213858 214032 217728 219024 219744 221052 222264 223587 224322 227136 229554 231868 235872 238056 240786 244608 247212 249501 254016 255528 256368 257894 264992 267813 272064 275184 277732 282528 285144 285376 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6071856336 6141487716 6198353343 6296739904 6538922208 6781104512 6830838378 6939264384 7018843104 7041916224 7083832392 7278800256 7356287484 7558754112 7628742576 7806672432 7922155752 7969311441 8095808448 8188650288 8264471124 8407185696 8582335398 8718562944 9053892288 9107784504 9358457472 9445109856 9808383312 10171656768 10408896576 10562874336 10625748588 10918200384 11019294832 11209580928 11443113864 12143712672 12282975432 12396706686 12593479808 12873503097 13077844416 13661676756 14037686208 14083832448 14167664784 14712574968 15117508224 15257485152 15613344864 15844311504 15938622882 16191616896 16377300576 16528942248 16814371392 17164670796 18107784576 18215569008 18595060029 18890219712 19616766624 20343313536 20817793152 21125748672 21251497176 21836400768 22038589664 22886227728 23907934323 24287425344 24565950864 24793413372 25747006194 26155688832 27323353512 28075372416 28335329568 29425149936 30514970304 31226689728 31688623008 31877245764 32754601152 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1530107796672 1647808396416 1785125762784 2380167683712 2677688644176 3060215593344 3570251525568 5355377288352 7140503051136 10710754576704 21421509153408
• Sum of all divisors σ(n): 81471938184000
• Sum of proper divisors (its aliquot sum) s(n): 60050429030592
• 21421509153408 is an abundant number, because the sum of its proper divisors (60050429030592) is greater than itself. Its abundance is 38628919877184

Bases of 21421509153408

• Binary: 100110111101110010101011100011001001010000000₂
• Hexadecimal: 0x137B95719280
• Base-36: 7LCWLGO00

Squares and roots of 21421509153408

• 21421509153408 squared (21421509153408²) is 458881054409542728878014464
• 21421509153408 cubed (21421509153408³) is 9829924707359534047404077694424618893312
• The square root of 21421509153408 is 4628337.6231005447
• The cube root of 21421509153408 is 27772.6095112551

Scales and comparisons

• 21,421,509,153,408 seconds is equal to 681,137 years, 37 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,421,509,153,408 would take you about one million, seven hundred two thousand, eight 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 21421509153408 cubic inches would be around 2314.4 feet tall.

Recreational maths with 21421509153408

• 21421509153408 backwards is 80435190512412
• The number of decimal digits it has is: 14
• The sum of 21421509153408's digits is 45
• More coming soon!