21218650000128

Names of 21218650000128

• Cardinal: 21218650000128 can be written as Twenty-one trillion, two hundred eighteen billion, six hundred fifty million, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1218650000128 × 10¹³

Factors of 21218650000128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 8406

Divisors of 21218650000128

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 151 168 192 196 224 252 256 288 294 302 336 384 392 441 448 453 504 576 588 604 672 768 784 882 896 906 1008 1057 1152 1176 1208 1344 1359 1568 1764 1792 1812 2016 2114 2304 2352 2416 2688 2718 3136 3171 3528 3624 4032 4228 4704 4832 5376 5436 6272 6342 7056 7248 7399 8064 8243 8456 9408 9513 9664 10872 12544 12684 14112 14496 14798 16128 16486 16912 18816 19026 19328 21744 22197 22801 24729 25368 28224 28992 29596 32972 33824 37632 38052 38656 43488 44394 45602 49458 50736 56448 57701 57984 59192 65944 66591 67648 68403 74187 76104 86976 88788 91204 98916 101472 112896 115402 115968 118384 131888 133182 135296 136806 148374 152208 159607 173103 173952 177576 182408 197832 202944 205209 230804 236768 263776 266364 270592 273612 296748 304416 319214 346206 347904 355152 364816 395664 403907 405888 410418 461608 473536 478821 519309 527552 532728 547224 593496 608832 638428 692412 710304 729632 791328 807814 811776 820836 923216 947072 957642 1038618 1055104 1065456 1094448 1117249 1186992 1211721 1217664 1244693 1276856 1384824 1420608 1436463 1459264 1582656 1615628 1641672 1846432 1894144 1915284 2077236 2110208 2130912 2188896 2234498 2373984 2423442 2435328 2489386 2553712 2769648 2841216 2872926 2918528 3165312 3231256 3283344 3351747 3635163 3692864 3734079 3830568 4154472 4261824 4377792 4468996 4747968 4846884 4978772 5107424 5539296 5682432 5745852 5837056 6330624 6462512 6566688 6703494 7270326 7385728 7468158 7661136 8308944 8523648 8712851 8755584 8937992 9495936 9693768 9957544 10055241 10214848 11078592 11202237 11491704 12925024 13133376 13406988 14540652 14771456 14936316 15322272 16617888 17047296 17425702 17511168 17875984 18991872 19387536 19915088 20110482 20429696 22157184 22404474 22983408 25850048 26138553 26266752 26813976 29081304 29872632 30644544 33235776 34851404 35751968 38775072 39830176 40220964 40859392 44314368 44808948 45966816 51700096 52277106 52533504 53627952 58162608 59745264 60989957 61289088 66471552 69702808 71503936 77550144 78415659 79660352 80441928 89617896 91933632 103400192 104554212 107255904 116325216 119490528 121979914 122578176 132943104 139405616 143007872 155100288 156831318 159320704 160883856 179235792 182969871 183867264 187948643 209108424 214511808 232650432 238981056 243959828 278811232 286015744 310200576 313662636 318641408 321767712 358471584 365939742 367734528 375897286 418216848 429023616 465300864 477962112 487919656 548909613 557622464 563845929 627325272 643535424 716943168 731879484 751794572 836433696 858047232 930601728 955924224 975839312 1097819226 1115244928 1127691858 1254650544 1287070848 1315640501 1433886336 1463758968 1503589144 1672867392 1691537787 1951678624 2195638452 2230489856 2255383716 2509301088 2574141696 2631281002 2867772672 2927517936 3007178288 3345734784 3383075574 3903357248 3946921503 4391276904 4510767432 5018602176 5262562004 5855035872 6014356576 6691469568 6766151148 7806714496 7893843006 8782553808 9021534864 9209483507 10037204352 10525124008 11710071744 11840764509 12028713152 13532302296 15613428992 15787686012 17565107616 18043069728 18418967014 20074408704 21050248016 23420143488 23681529018 24057426304 27064604592 27628450521 31575372024 35130215232 36086139456 36837934028 42100496032 46840286976 47363058036 48114852608 54129209184 55256901042 63150744048 70260430464 72172278912 73675868056 82885351563 84200992064 94726116072 108258418368 110513802084 126301488096 140520860928 144344557824 147351736112 165770703126 168401984128 189452232144 216516836736 221027604168 252602976192 294703472224 331541406252 336803968256 378904464288 433033673472 442055208336 505205952384 589406944448 663082812504 757808928576 884110416672 1010411904768 1178813888896 1326165625008 1515617857152 1768220833344 2357627777792 2652331250016 3031235714304 3536441666688 5304662500032 7072883333376 10609325000064 21218650000128
• Sum of all divisors σ(n): 71650058266332
• Sum of proper divisors (its aliquot sum) s(n): 50431408266204
• 21218650000128 is an abundant number, because the sum of its proper divisors (50431408266204) is greater than itself. Its abundance is 29212758266076

Bases of 21218650000128

• Binary: 100110100110001011010000110001000101100000000₂
• Hexadecimal: 0x134C5A188B00
• Base-36: 7IRPOCZK0

Squares and roots of 21218650000128

• 21218650000128 squared (21218650000128²) is 450231107827931974400016384
• 21218650000128 cubed (21218650000128³) is 9553296296170778370404882939084802097152
• The square root of 21218650000128 is 4606370.5886660921
• The cube root of 21218650000128 is 27684.6635379183

Scales and comparisons

• 21,218,650,000,128 seconds is equal to 674,687 years, 22 weeks, 4 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,218,650,000,128 would take you about one million, six hundred eighty-six thousand, seven hundred eighteen 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 21218650000128 cubic inches would be around 2307.1 feet tall.

Recreational maths with 21218650000128

• 21218650000128 backwards is 82100005681212
• 21218650000128 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21218650000128's digits is 36
• More coming soon!