21074816791728

Names of 21074816791728

• Cardinal: 21074816791728 can be written as Twenty-one trillion, seventy-four billion, eight hundred sixteen million, seven hundred ninety-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1074816791728 × 10¹³

Factors of 21074816791728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10303

Divisors of 21074816791728

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 181 189 196 216 252 294 336 362 378 392 432 441 504 543 577 588 724 756 784 882 1008 1086 1154 1176 1267 1323 1448 1512 1629 1731 1764 2172 2308 2352 2534 2646 2896 3024 3258 3462 3528 3801 4039 4344 4616 4887 5068 5193 5292 6516 6924 7056 7602 8078 8688 8869 9232 9533 9774 10136 10386 10584 11403 12117 13032 13848 15204 15579 16156 17738 19066 19548 20272 20772 21168 22806 24234 26064 26607 27696 28273 28599 30408 31158 32312 34209 35476 36351 38132 39096 41544 45612 48468 53214 56546 57198 60816 62316 64624 66731 68418 70952 72702 76264 78192 79821 83088 84819 85797 91224 96936 104437 106428 109053 113092 114396 124632 133462 136836 141904 145404 152528 159642 169638 171594 182448 193872 200193 208874 212856 218106 226184 228792 239463 249264 254457 257391 266924 273672 290808 313311 319284 339276 343188 400386 417748 425712 436212 452368 457584 467117 478926 508914 514782 533848 547344 581616 600579 626622 638568 678552 686376 731059 763371 800772 835496 872424 934234 939933 957852 1017828 1029564 1067696 1201158 1253244 1277136 1357104 1372752 1401351 1462118 1526742 1601544 1670992 1725473 1744848 1801737 1868468 1879866 1915704 2035656 2059128 2193177 2402316 2506488 2802702 2819799 2924236 3053484 3203088 3450946 3603474 3736936 3759732 3831408 4071312 4118256 4204053 4386354 4804632 5012976 5117413 5176419 5500541 5605404 5639598 5848472 6106968 6579531 6901892 7206948 7473872 7519464 8408106 8772708 9609264 10234826 10352838 11001082 11210808 11279196 11696944 12078311 12213936 12612159 13159062 13803784 14413896 15038928 15352239 15529257 16501623 16816212 17545416 19738593 20469652 20705676 22002164 22421616 22558392 24156622 25224318 26318124 27607568 28827792 30704478 31058514 33003246 33632424 35090832 36234933 38503787 39477186 40939304 41411352 44004328 45116784 46056717 46587771 48313244 49504869 50448636 52636248 61408956 62117028 66006492 67264848 72469866 77007574 78954372 81878608 82822704 84548177 88008656 92113434 93175542 96626488 99009738 100897272 105272496 108704799 115511361 122817912 124234056 132012984 138170151 144939732 148514607 154015148 157908744 169096354 184226868 186351084 193252976 198019476 201794544 217409598 231022722 245635824 248468112 253644531 264025968 269526509 276340302 289879464 297029214 308030296 315817488 326114397 338192708 346534083 368453736 372702168 396038952 434819196 462045444 507289062 539053018 552680604 579758928 594058428 616060592 652228794 676385416 693068166 736907472 745404336 760933593 792077904 808579527 869638392 924090888 995597921 1014578124 1039602249 1078106036 1105361208 1188116856 1304457588 1352770832 1386136332 1521867186 1617159054 1739276784 1848181776 1991195842 2029156248 2079204498 2156212072 2210722416 2282800779 2376233712 2425738581 2608915176 2772272664 2986793763 3043734372 3234318108 3982391684 4058312496 4158408996 4312424144 4565601558 4851477162 5217830352 5544545328 5973587526 6087468744 6468636216 6969185447 7277215743 7964783368 8316817992 8960381289 9131203116 9702954324 11947175052 12174937488 12937272432 13938370894 14554431486 15929566736 16633635984 17920762578 18262406232 19405908648 20907556341 23894350104 26881143867 27876741788 29108862972 35841525156 36524812464 38811817296 41815112682 47788700208 48784298129 53762287734 55753483576 58217725944 62722669023 71683050312 83630225364 97568596258 107524575468 111506967152 116435451888 125445338046 143366100624 146352894387 167260450728 188168007069 195137192516 215049150936 250890676092 292705788774 334520901456 376336014138 390274385032 430098301872 439058683161 501781352184 585411577548 752672028276 780548770064 878117366322 1003562704368 1170823155096 1317176049483 1505344056552 1756234732644 2341646310192 2634352098966 3010688113104 3512469465288 5268704197932 7024938930576 10537408395864 21074816791728
• Sum of all divisors σ(n): 70887704771520
• Sum of proper divisors (its aliquot sum) s(n): 49812887979792
• 21074816791728 is an abundant number, because the sum of its proper divisors (49812887979792) is greater than itself. Its abundance is 28738071188064

Bases of 21074816791728

• Binary: 100110010101011011100111101111111010010110000₂
• Hexadecimal: 0x132ADCF7F4B0
• Base-36: 7GXMXS5O0

Squares and roots of 21074816791728

• 21074816791728 squared (21074816791728²) is 444147902804900470929225984
• 21074816791728 cubed (21074816791728³) is 9360335680043492115065026683073173860352
• The square root of 21074816791728 is 4590731.6183510443
• The cube root of 21074816791728 is 27621.9670350835

Scales and comparisons

• 21,074,816,791,728 seconds is equal to 670,113 years, 51 weeks, 1 day, 15 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,074,816,791,728 would take you about one million, six hundred seventy-five thousand, two 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 21074816791728 cubic inches would be around 2301.8 feet tall.

Recreational maths with 21074816791728

• 21074816791728 backwards is 82719761847012
• 21074816791728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21074816791728's digits is 63
• More coming soon!