21428307581184

Names of 21428307581184

• Cardinal: 21428307581184 can be written as Twenty-one trillion, four hundred twenty-eight billion, three hundred seven million, five hundred eighty-one thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1428307581184 × 10¹³

Factors of 21428307581184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 634

Divisors of 21428307581184

• Number of divisors d(n): 729
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 49 56 63 64 69 72 84 92 96 98 112 126 128 138 144 147 161 168 184 192 196 207 224 252 256 276 288 294 322 336 368 384 392 414 441 448 483 504 529 552 576 588 599 644 672 736 768 784 828 882 896 966 1008 1058 1104 1127 1152 1176 1198 1288 1344 1449 1472 1568 1587 1656 1764 1792 1797 1932 2016 2116 2208 2254 2304 2352 2396 2576 2688 2898 2944 3136 3174 3312 3381 3528 3594 3703 3864 4032 4193 4232 4416 4508 4704 4761 4792 5152 5376 5391 5796 5888 6272 6348 6624 6762 7056 7188 7406 7728 8064 8386 8464 8832 9016 9408 9522 9584 10143 10304 10782 11109 11592 12544 12579 12696 13248 13524 13777 14112 14376 14812 15456 16128 16772 16928 17664 18032 18816 19044 19168 20286 20608 21564 22218 23184 25158 25392 25921 26496 27048 27554 28224 28752 29351 29624 30912 33327 33544 33856 36064 37632 37737 38088 38336 40572 41216 41331 43128 44436 46368 50316 50784 51842 52992 54096 55108 56448 57504 58702 59248 61824 66654 67088 67712 72128 75474 76176 76672 77763 81144 82662 86256 88053 88872 92736 96439 100632 101568 103684 108192 110216 112896 115008 117404 118496 123648 123993 133308 134176 135424 144256 150948 152352 153344 155526 162288 165324 172512 176106 177744 185472 192878 201264 203136 207368 216384 220432 230016 233289 234808 236992 247986 264159 266616 268352 288512 289317 301896 304704 311052 316871 324576 330648 345024 352212 355488 358801 370944 385756 402528 406272 414736 432768 440864 460032 466578 469616 473984 495972 528318 533232 536704 578634 603792 609408 622104 633742 649152 661296 675073 690048 704424 710976 717602 771512 805056 829472 865536 867951 881728 933156 939232 947968 950613 991944 1056636 1066464 1073408 1076403 1157268 1207584 1218816 1244208 1267484 1298304 1322592 1350146 1380096 1408848 1421952 1435204 1543024 1610112 1658944 1735902 1763456 1866312 1878464 1901226 1983888 2025219 2113272 2132928 2152806 2218097 2314536 2415168 2488416 2511607 2534968 2596608 2645184 2700292 2817696 2843904 2851839 2870408 3086048 3220224 3229209 3317888 3471804 3526912 3732624 3756928 3802452 3967776 4050438 4226544 4265856 4305612 4436194 4629072 4830336 4976832 5023214 5069936 5290368 5400584 5635392 5703678 5740816 6075657 6172096 6458418 6635776 6654291 6943608 7465248 7513856 7534821 7604904 7935552 8100876 8252423 8453088 8531712 8611224 8872388 9258144 9660672 9953664 10046428 10139872 10580736 10801168 11270784 11407356 11481632 12151314 12344192 12916836 13308582 13887216 14930496 15069642 15209808 15526679 15871104 16201752 16504846 16906176 17222448 17581249 17744776 18516288 19907328 19962873 20092856 20279744 21602336 22541568 22604463 22814712 22963264 24302628 24688384 24757269 25833672 26617164 27774432 29860992 30139284 30419616 31053358 31742208 32403504 33009692 33812352 34444896 35162498 35489552 37032576 39925746 40185712 40559488 43204672 45208926 45629424 45926528 46580037 48605256 49514538 51667344 52743747 53234328 55548864 57766961 59721984 60278568 60839232 62106716 64807008 66019384 67624704 68889792 70324996 70979104 74065152 74271807 79851492 80371424 81118976 86409344 90417852 91258848 91853056 93160074 97210512 99029076 103334688 105487494 106468656 111097728 115533922 120557136 121678464 124213432 129614016 132038768 137779584 139740111 140649992 141958208 148543614 158231241 159702984 160742848 172818688 173300883 180835704 182517696 186320148 189805729 194421024 198058152 206669376 210974988 212937312 222195456 231067844 241114272 243356928 248426864 259228032 264077536 275559168 279480222 281299984 283916416 297087228 316462482 319405968 321485696 346601766 361671408 365035392 372640296 379611458 388842048 396116304 404368727 413338752 421949976 425874624 462135688 482228544 496853728 518456064 519902649 528155072 558960444 562599968 567832832 569417187 594174456 632924964 638811936 642971392 693203532 723342816 730070784 745280592 759222916 777684096 792232608 808737454 826677504 843899952 851749248 924271376 964457088 993707456 1039805298 1056310144 1117920888 1125199936 1138834374 1188348912 1213106181 1265849928 1277623872 1328640103 1386407064 1446685632 1490561184 1518445832 1555368192 1584465216 1617474908 1687799904 1703498496 1708251561 1848542752 1928914176 1987414912 2079610596 2112620288 2235841776 2250399872 2277668748 2376697824 2426212362 2531699856 2555247744 2657280206 2772814128 2893371264 2981122368 3036891664 3168930432 3234949816 3375599808 3416503122 3639318543 3697085504 3974829824 3985920309 4159221192 4471683552 4500799744 4555337496 4753395648 4852424724 5063399712 5110495488 5314560412 5545628256 5786742528 5962244736 6073783328 6337860864 6469899632 6751199616 6833006244 7278637086 7394171008 7971840618 8318442384 8943367104 9110674992 9300480721 9506791296 9704849448 10126799424 10629120824 11091256512 11924489472 11957760927 12147566656 12939799264 13502399232 13666012488 14557274172 14788342016 15943681236 16636884768 17886734208 18221349984 18600961442 19013582592 19409698896 20253598848 21258241648 22182513024 23915521854 24295133312 25879598528 27332024976 27901442163 29114548344 31887362472 33273769536 35773468416 36442699968 37201922884 38819397792 40507197696 42516483296 44365026048 47831043708 48590266624 51759197056 54664049952 55802884326 58229096688 63774724944 66547539072 72885399936 74403845768 77638795584 83704326489 85032966592 95662087416 103518394112 109328099904 111605768652 116458193376 127549449888 133095078144 145770799872 148807691536 155277591168 167408652978 170065933184 191324174832 218656199808 223211537304 232916386752 255098899776 297615383072 310555182336 334817305956 340131866368 382648349664 437312399616 446423074608 465832773504 510197799552 595230766144 669634611912 765296699328 892846149216 931665547008 1020395599104 1190461532288 1339269223824 1530593398656 1785692298432 2380923064576 2678538447648 3061186797312 3571384596864 5357076895296 7142769193728 10714153790592 21428307581184
• Sum of all divisors σ(n): 75256414072203
• Sum of proper divisors (its aliquot sum) s(n): 53828106491019
• 21428307581184 is an abundant number, because the sum of its proper divisors (53828106491019) is greater than itself. Its abundance is 32399798909835

Bases of 21428307581184

• Binary: 100110111110100101010101010010101100100000000₂
• Hexadecimal: 0x137D2AA95900
• Base-36: 7LG112KG0

Squares and roots of 21428307581184

• 21428307581184 squared (21428307581184²) is 459172365793827688750841856
• 21428307581184 cubed (21428307581184³) is 9839286687010070661173437257787065237504
• 21428307581184 is a perfect square number. Its square root is 4629072
• The cube root of 21428307581184 is 27775.5472144799

Scales and comparisons

• 21,428,307,581,184 seconds is equal to 681,353 years, 46 weeks, 5 days, 5 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,428,307,581,184 would take you about one million, seven hundred three thousand, three hundred eighty-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 21428307581184 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21428307581184

• 21428307581184 backwards is 48118570382412
• The number of decimal digits it has is: 14
• The sum of 21428307581184's digits is 54
• More coming soon!