21207346892928

Names of 21207346892928

• Cardinal: 21207346892928 can be written as Twenty-one trillion, two hundred seven billion, three hundred forty-six million, eight hundred ninety-two thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1207346892928 × 10¹³

Factors of 21207346892928

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 309

Divisors of 21207346892928

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 64 72 84 93 96 103 112 124 126 128 144 163 168 186 192 206 217 224 248 252 279 288 309 326 336 372 384 412 434 448 489 496 504 558 576 618 651 652 672 721 744 824 868 896 927 961 978 992 1008 1116 1141 1152 1236 1302 1304 1344 1442 1467 1488 1648 1736 1854 1922 1953 1956 1984 2016 2163 2232 2282 2472 2604 2608 2688 2883 2884 2934 2976 3193 3296 3423 3472 3708 3844 3906 3912 3968 4032 4326 4464 4564 4944 5053 5208 5216 5766 5768 5868 5952 6386 6489 6592 6727 6846 6944 7416 7688 7812 7824 8064 8649 8652 8928 9128 9579 9888 10106 10269 10416 10432 11532 11536 11736 11904 12772 12978 13184 13454 13692 13888 14832 15159 15376 15624 15648 16789 17298 17304 17856 18256 19158 19776 20181 20212 20538 20832 20864 22351 23064 23072 23472 25544 25956 26569 26908 27384 27776 28737 29664 30318 30752 31248 31296 33578 34596 34608 35371 35712 36512 38316 39552 40362 40424 41076 41664 44702 45477 46128 46144 46944 50367 51088 51912 53138 53816 54768 57474 59328 60543 60636 61504 62496 62592 67053 67156 69192 69216 70742 73024 76632 79707 80724 80848 82152 83328 89404 90954 92256 92288 93888 98983 100734 102176 103824 106113 106276 107632 109536 114948 117523 118656 121086 121272 123008 124992 134106 134312 138384 138432 141484 146048 151101 153264 156643 159414 161448 161696 164304 178808 181908 184512 185983 187776 197966 201159 201468 204352 207648 212226 212552 215264 219072 229896 235046 239121 242172 242544 249984 268212 268624 276768 276864 282968 296949 302202 306528 313286 318339 318828 322896 323392 328608 352569 357616 363816 369024 371966 395932 402318 402936 408704 415296 424452 425104 430528 438144 459792 469929 470092 478242 484344 485088 520459 536424 537248 553536 557949 565936 593898 604404 613056 626572 636678 637656 645792 646784 657216 692881 705138 715232 727632 743932 791864 804636 805872 823639 830592 848904 850208 861056 890847 919584 939858 940184 956484 968688 970176 1040918 1057707 1072848 1074496 1096501 1107072 1115898 1131872 1187796 1208808 1226112 1253144 1273356 1275312 1291584 1314432 1385762 1409787 1410276 1430464 1455264 1487864 1561377 1583728 1609272 1611744 1647278 1673847 1697808 1700416 1781694 1839168 1879716 1880368 1912968 1937376 1940352 2078643 2081836 2115414 2145696 2148992 2193002 2231796 2263744 2375592 2417616 2470917 2506288 2546712 2550624 2583168 2736607 2771524 2819574 2820552 2860928 2910528 2975728 3122754 3167456 3218544 3223488 3289503 3294556 3347694 3395616 3400832 3563388 3643213 3678336 3759432 3760736 3825936 3874752 4157286 4163672 4230828 4291392 4386004 4463592 4527488 4684131 4751184 4835232 4941834 5012576 5093424 5101248 5473214 5543048 5639148 5641104 5765473 5821056 5951456 6235929 6245508 6334912 6437088 6446976 6579006 6589112 6695388 6791232 7126776 7286426 7412751 7518864 7521472 7651872 7749504 8209821 8314572 8327344 8461656 8582784 8772008 8927184 9368262 9502368 9670464 9868509 9883668 10025152 10186848 10202496 10929639 10946428 11086096 11278296 11282208 11530946 11902912 12471858 12491016 12669824 12874176 13158012 13178224 13390776 13582464 14253552 14572852 14825502 15037728 15042944 15303744 16134229 16419642 16629144 16654688 16923312 17296419 17544016 17854368 18736524 19004736 19156249 19340928 19737018 19767336 20050304 20373696 21859278 21892856 22172192 22556592 22564416 23061892 23805824 24629463 24943716 24982032 25532809 25748352 26316024 26356448 26781552 28507104 29145704 29651004 30075456 30607488 32268458 32788917 32839284 33258288 33309376 33846624 34592838 35088032 35708736 37473048 38009472 38312498 39474036 39534672 40747392 43718556 43785712 44344384 45113184 45128832 46123784 48402687 49258926 49887432 49964064 51065618 51889257 52632048 52712896 53563104 57014208 57468747 58291408 59302008 60150912 64536916 65577834 65678568 66516576 66618752 67693248 69185676 70176064 71417472 74946096 76598427 76624996 78948072 79069344 84834817 87437112 87571424 88688768 90226368 92247568 96805374 98517852 99774864 99928128 102131236 103778514 105264096 105425792 107126208 112939603 114028416 114937494 116582816 118604016 129073832 131155668 131357136 133033152 135386496 138371352 140352128 145208061 149892192 153196854 153249992 157896144 158138688 169669634 172406241 174874224 175142848 178729663 180452736 184495136 193610748 197035704 199549728 199856256 204262472 207557028 210528192 214252416 225879206 229795281 229874988 233165632 237208032 254504451 258147664 262311336 262714272 266066304 276742704 290416122 299784384 306393708 306499984 315792288 316277376 338818809 339339268 344812482 349748448 350285696 357459326 368990272 387221496 394071408 399099456 408524944 415114056 421056384 451758412 459590562 459749976 466331264 474416064 509008902 516295328 524622672 525428544 536188989 553485408 580832244 593843719 599568768 612787416 612999968 631584576 677637618 678678536 689624964 699496896 714918652 737980544 763513353 774442992 788142816 798198912 817049888 830228112 903516824 919181124 919499952 948832128 1016456427 1018017804 1032590656 1049245344 1050857088 1072377978 1106970816 1161664488 1187687438 1225574832 1225999936 1263169152 1355275236 1357357072 1379249928 1398993792 1429837304 1527026706 1548885984 1576285632 1608566967 1634099776 1660456224 1781531157 1807033648 1838362248 1838999904 2032912854 2036035608 2065181312 2098490688 2144755956 2213941632 2323328976 2375374876 2451149664 2451999872 2629879327 2710550472 2714714144 2758499856 2859674608 3054053412 3097771968 3152571264 3217133934 3268199552 3320912448 3563062314 3614067296 3676724496 3677999808 4065825708 4072071216 4196981376 4289511912 4646657952 4750749752 4902299328 5259758654 5344593471 5421100944 5429428288 5516999712 5719349216 6108106824 6195543936 6434267868 6641824896 7126124628 7228134592 7353448992 7355999616 7889637981 8131651416 8144142432 8579023824 9293315904 9501499504 9804598656 10519517308 10689186942 10842201888 10858856576 11033999424 11438698432 12216213648 12868535736 14252249256 14456269184 14706897984 15779275962 16263302832 16288284864 17158047648 18409155289 18586631808 19002999008 21039034616 21378373884 21684403776 22067998848 22877396864 23668913943 24432427296 25737071472 28504498512 29413795968 31558551924 32526605664 32576569728 34316095296 36818310578 38005998016 42078069232 42756747768 43368807552 47337827886 48864854592 51474142944 55227465867 57008997024 63117103848 65053211328 68632190592 73636621156 76011996032 84156138464 85513495536 94675655772 97729709184 102948285888 110454931734 114017994048 126234207696 130106422656 147273242312 165682397601 168312276928 171026991072 189351311544 205896571776 220909863468 228035988096 252468415392 294546484624 331364795202 336624553856 342053982144 378702623088 441819726936 504936830784 589092969248 662729590404 684107964288 757405246176 883639453872 1009873661568 1178185938496 1325459180808 1514810492352 1767278907744 2356371876992 2650918361616 3029620984704 3534557815488 5301836723232 7069115630976 10603673446464 21207346892928
• Sum of all divisors σ(n): 73215630371520
• Sum of proper divisors (its aliquot sum) s(n): 52008283478592
• 21207346892928 is an abundant number, because the sum of its proper divisors (52008283478592) is greater than itself. Its abundance is 30800936585664

Bases of 21207346892928

• Binary: 100110100100110111000011000001101000010000000₂
• Hexadecimal: 0x1349B860D080
• Base-36: 7IMIQS680

Squares and roots of 21207346892928

• 21207346892928 squared (21207346892928²) is 449751562236982895496413184
• 21207346892928 cubed (21207346892928³) is 9538037395995993226018939061870895562752
• The square root of 21207346892928 is 4605143.5257685509
• The cube root of 21207346892928 is 27679.7468207767

Scales and comparisons

• 21,207,346,892,928 seconds is equal to 674,328 years, 1 week, 4 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,207,346,892,928 would take you about one million, six hundred eighty-five thousand, eight hundred twenty 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 21207346892928 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21207346892928

• 21207346892928 backwards is 82929864370212
• 21207346892928 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21207346892928's digits is 63
• More coming soon!