21107124978057216

Names of 21107124978057216

• Cardinal: 21107124978057216 can be written as Twenty-one quadrillion, one hundred seven trillion, one hundred twenty-four billion, nine hundred seventy-eight million, fifty-seven thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1107124978057216 × 10¹⁶

Factors of 21107124978057216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 2064

Divisors of 21107124978057216

• Number of divisors d(n): 684
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 653 672 768 896 1008 1024 1152 1306 1344 1399 1536 1792 1959 2016 2048 2304 2612 2688 2798 3072 3584 3918 4032 4096 4197 4571 4608 5224 5376 5596 5877 6144 7168 7836 8064 8192 8394 9142 9216 9793 10448 10752 11192 11754 12288 12591 13713 14336 15672 16128 16384 16788 18284 18432 19586 20896 21504 22384 23508 24576 25182 27426 28672 29379 31344 32256 32768 33576 36568 36864 39172 41139 41792 43008 44768 47016 49152 50364 54852 57344 58758 62688 64512 65536 67152 73136 73728 78344 82278 83584 86016 88137 89536 94032 98304 100728 109704 114688 117516 125376 129024 131072 134304 146272 147456 156688 164556 167168 172032 176274 179072 188064 196608 201456 219408 229376 235032 250752 258048 262144 268608 292544 294912 313376 329112 334336 344064 352548 358144 376128 393216 402912 438816 458752 470064 501504 516096 537216 585088 589824 626752 658224 668672 688128 705096 716288 752256 786432 805824 877632 913547 917504 940128 1003008 1032192 1074432 1170176 1179648 1253504 1316448 1337344 1376256 1410192 1432576 1504512 1611648 1755264 1827094 1835008 1880256 1957201 2006016 2064384 2148864 2340352 2359296 2507008 2632896 2674688 2740641 2752512 2820384 2865152 3009024 3223296 3510528 3654188 3760512 3914402 4012032 4128768 4297728 4680704 5014016 5265792 5349376 5481282 5505024 5640768 5730304 5871603 6018048 6394829 6446592 7021056 7308376 7521024 7828804 8024064 8221923 8257536 8595456 9361408 10028032 10531584 10698752 10962564 11281536 11460608 11743206 12036096 12789658 12893184 13700407 14042112 14616752 15042048 15657608 16048128 16443846 16515072 17190912 17614809 18722816 19184487 20056064 21063168 21397504 21925128 22563072 22921216 23486412 24072192 25579316 25786368 27400814 28084224 29233504 30084096 31315216 32096256 32887692 34381824 35229618 37445632 38368974 40112128 41101221 42126336 42795008 43850256 45126144 45842432 46972824 48144384 51158632 51572736 54801628 56168448 57553461 58467008 60168192 62630432 64192512 65775384 68763648 70459236 74891264 76737948 80224256 82202442 84252672 85590016 87700512 90252288 91684864 93945648 96288768 102317264 103145472 109603256 112336896 115106922 116934016 120336384 123303663 125260864 128385024 131550768 137527296 140918472 149782528 153475896 160448512 164404884 168505344 171180032 175401024 180504576 183369728 187891296 192577536 204634528 206290944 219206512 224673792 230213844 233868032 240672768 246607326 250521728 256770048 263101536 275054592 281836944 299565056 306951792 320897024 328809768 337010688 350802048 361009152 366739456 375782592 385155072 409269056 412581888 438413024 449347584 460427688 467736064 481345536 493214652 501043456 513540096 526203072 550109184 563673888 599130112 613903584 641794048 657619536 674021376 701604096 722018304 751565184 770310144 818538112 825163776 876826048 898695168 920855376 935472128 962691072 986429304 1002086912 1052406144 1100218368 1127347776 1198260224 1227807168 1278052253 1283588096 1315239072 1348042752 1403208192 1444036608 1503130368 1540620288 1637076224 1650327552 1753652096 1797390336 1841710752 1870944256 1925382144 1972858608 2004173824 2104812288 2254695552 2455614336 2556104506 2567176192 2630478144 2696085504 2806416384 2888073216 3006260736 3274152448 3300655104 3507304192 3594780672 3683421504 3741888512 3834156759 3850764288 3945717216 4008347648 4209624576 4509391104 4911228672 5112209012 5260956288 5392171008 5612832768 5776146432 6012521472 6548304896 7014608384 7366843008 7483777024 7668313518 7701528576 7891434432 8016695296 8419249152 8946365771 9018782208 9822457344 10224418024 10521912576 10784342016 11225665536 11502470277 11552292864 12025042944 13096609792 14029216768 14733686016 14967554048 15336627036 15782868864 16033390592 16838498304 17892731542 18037564416 19644914688 20448836048 21043825152 22451331072 23004940554 23104585728 24050085888 26193219584 26839097313 28058433536 29467372032 29935108096 30673254072 31565737728 32066781184 33676996608 35785463084 36075128832 39289829376 40897672096 42087650304 44902662144 46009881108 48100171776 52386439168 53678194626 56116867072 58934744064 59870216192 61346508144 63131475456 64133562368 67353993216 71570926168 72150257664 78579658752 80517291939 81795344192 84175300608 89805324288 92019762216 96200343552 104772878336 107356389252 112233734144 117869488128 119740432384 122693016288 126262950912 128267124736 134707986432 143141852336 144300515328 157159317504 161034583878 163590688384 168350601216 179610648576 184039524432 192400687104 209545756672 214712778504 224467468288 235738976256 239480864768 245386032576 252525901824 256534249472 269415972864 286283704672 288601030656 314318635008 322069167756 327181376768 336701202432 359221297152 368079048864 384801374208 419091513344 429425557008 448934936576 471477952512 490772065152 505051803648 513068498944 538831945728 572567409344 577202061312 628637270016 644138335512 654362753536 673402404864 718442594304 736158097728 769602748416 838183026688 858851114016 897869873152 942955905024 981544130304 1010103607296 1077663891456 1145134818688 1154404122624 1257274540032 1288276671024 1308725507072 1346804809728 1472316195456 1539205496832 1676366053376 1717702228032 1795739746304 1885911810048 1963088260608 2020207214592 2155327782912 2290269637376 2308808245248 2514549080064 2576553342048 2617451014144 2693609619456 2944632390912 3435404456064 3591479492608 3771823620096 3926176521216 4040414429184 4580539274752 4617616490496 5029098160128 5153106684096 5234902028288 5387219238912 5889264781824 6870808912128 7543647240192 7852353042432 8080828858368 9161078549504 10306213368192 10469804056576 10774438477824 11778529563648 13741617824256 15087294480384 15704706084864 16161657716736 18322157099008 20612426736384 20939608113152 23557059127296 27483235648512 31409412169728 32323315433472 36644314198016 41224853472768 41879216226304 47114118254592 54966471297024 62818824339456 73288628396032 82449706945536 83758432452608 94228236509184 109932942594048 125637648678912 146577256792064 164899413891072 167516864905216 188456473018368 219865885188096 251275297357824 293154513584128 329798827782144 335033729810432 376912946036736 439731770376192 502550594715648 586309027168256 659597655564288 753825892073472 879463540752384 1005101189431296 1172618054336512 1319195311128576 1507651784146944 1758927081504768 2345236108673024 2638390622257152 3015303568293888 3517854163009536 5276781244514304 7035708326019072 10553562489028608 21107124978057216
• Sum of all divisors σ(n): 69843524793795792
• Sum of proper divisors (its aliquot sum) s(n): 48736399815738576
• 21107124978057216 is an abundant number, because the sum of its proper divisors (48736399815738576) is greater than itself. Its abundance is 27629274837681360

Bases of 21107124978057216

• Binary: 1001010111111001101000101111110100011000000000000000000₂
• Hexadecimal: 0x4AFCD17E8C0000
• Base-36: 5RTUNCQ48W0

Squares and roots of 21107124978057216

• 21107124978057216 squared (21107124978057216²) is 445510724839326831009485769670656
• 21107124978057216 cubed (21107124978057216³) is 9403450548248530733138308967914096829043044253696
• The square root of 21107124978057216 is 145282913.5791859593
• The cube root of 21107124978057216 is 276360.7486851033

Scales and comparisons

• 21,107,124,978,057,216 seconds is equal to 671,141,285 years, 35 weeks, 1 day, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,107,124,978,057,216 would take you about two billion, thirteen million, four hundred twenty-three thousand, eight hundred fifty-seven 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 21107124978057216 cubic inches would be around 23030.1 feet tall.

Recreational maths with 21107124978057216

• 21107124978057216 backwards is 61275087942170112
• 21107124978057216 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21107124978057216's digits is 63
• More coming soon!