21189428846208

Names of 21189428846208

• Cardinal: 21189428846208 can be written as Twenty-one trillion, one hundred eighty-nine billion, four hundred twenty-eight million, eight hundred forty-six thousand, two hundred eight.

Scientific notation

• Scientific notation: 2.1189428846208 × 10¹³

Factors of 21189428846208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 266

Divisors of 21189428846208

• Number of divisors d(n): 576
• 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 97 98 112 126 128 144 147 157 168 192 194 196 224 252 288 291 294 314 336 384 388 392 441 448 471 504 576 582 588 628 672 679 776 784 873 882 896 942 1008 1099 1152 1164 1176 1256 1344 1358 1413 1552 1568 1746 1764 1884 2016 2037 2198 2328 2352 2512 2688 2716 2826 3104 3136 3297 3492 3528 3768 4032 4074 4396 4656 4704 4753 5024 5432 5652 6111 6208 6272 6594 6984 7056 7536 7693 8064 8148 8792 9312 9408 9506 9891 10048 10864 11304 12222 12416 13188 13968 14112 14259 15072 15229 15386 16296 17584 18624 18816 19012 19782 20096 21728 22608 23079 24444 24649 26376 27936 28224 28518 30144 30458 30772 32592 35168 37248 38024 39564 42777 43456 45216 45687 46158 48888 49298 52752 55872 56448 57036 60288 60916 61544 65184 69237 70336 73947 76048 79128 85554 86912 90432 91374 92316 97776 98596 105504 106603 111744 114072 121832 123088 130368 137061 138474 140672 147894 152096 158256 171108 172543 180864 182748 184632 195552 197192 211008 213206 221841 228144 243664 246176 260736 274122 276948 295788 304192 316512 319809 342216 345086 365496 369264 391104 394384 422016 426412 443682 456288 487328 492352 517629 548244 553896 591576 608384 633024 639618 684432 690172 730992 738528 746221 782208 788768 852824 887364 912576 959427 974656 984704 1035258 1096488 1107792 1183152 1207801 1266048 1279236 1368864 1380344 1461984 1477056 1492442 1552887 1577536 1705648 1774728 1825152 1918854 1949312 2070516 2192976 2215584 2238663 2366304 2390953 2415602 2558472 2737728 2760688 2923968 2954112 2984884 3105774 3155072 3411296 3549456 3623403 3837708 3869893 4141032 4385952 4431168 4477326 4732608 4781906 4831204 5116944 5475456 5521376 5847936 5969768 6211548 6715989 6822592 7098912 7172859 7246806 7675416 7739786 8282064 8771904 8862336 8954652 9465216 9563812 9662408 10233888 10870209 11042752 11609679 11939536 12423096 13431978 13645184 14197824 14345718 14493612 15350832 15479572 16564128 16736671 17543808 17909304 19127624 19324816 20467776 21518577 21740418 22085504 23219358 23879072 24846192 26863956 27089251 28395648 28691436 28987224 30701664 30959144 33128256 33473342 34829037 35818608 38255248 38649632 40935552 43037154 43480836 46438716 47758144 49692384 50210013 53727912 54178502 57382872 57974448 61403328 61918288 66256512 66946684 69658074 71637216 76510496 77299264 81267753 86074308 86961672 92877432 95516288 99384768 100420026 107455824 108357004 114765744 115948896 117156697 122806656 123836576 133893368 139316148 143274432 150630039 153020992 154598528 162535506 172148616 173923344 185754864 189624757 198769536 200840052 214911648 216714008 229531488 231897792 234313394 243803259 247673152 267786736 278632296 286548864 301260078 306041984 325071012 344297232 347846688 351470091 371509728 375379621 379249514 401680104 429823296 433428016 459062976 463795584 468626788 487606518 495346304 535573472 557264592 568874271 602520156 650142024 688594464 695693376 702940182 743019456 750759242 758499028 803360208 859646592 866856032 918125952 937253576 975213036 1054410273 1071146944 1114529184 1126138863 1137748542 1205040312 1300284048 1377188928 1391386752 1405880364 1486038912 1501518484 1516998056 1606720416 1706622813 1733712064 1874507152 1950426072 2108820546 2142293888 2229058368 2252277726 2275497084 2410080624 2600568096 2627657347 2754377856 2811760728 3003036968 3033996112 3213440832 3378416589 3413245626 3467424128 3749014304 3900852144 4217641092 4458116736 4504555452 4550994168 4820161248 5201136192 5255314694 5623521456 6006073936 6067992224 6426881664 6756833178 6826491252 7498028608 7801704288 7882972041 8435282184 9009110904 9101988336 9640322496 10402272384 10510629388 11247042912 12012147872 12135984448 13513666356 13652982504 14996057216 15603408576 15765944082 16870564368 18018221808 18203976672 18393601429 19280644992 21021258776 22494085824 23648916123 24024295744 24271968896 27027332712 27305965008 31206817152 31531888164 33741128736 36036443616 36407953344 36787202858 42042517552 44988171648 47297832246 48048591488 54054665424 54611930016 55180804287 63063776328 67482257472 72072887232 72815906688 73574405716 84085035104 94595664492 108109330848 109223860032 110361608574 126127552656 134964514944 144145774464 147148811432 165542412861 168170070208 189191328984 216218661696 218447720064 220723217148 252255105312 294297622864 331084825722 336340140416 378382657968 432437323392 441446434296 504510210624 588595245728 662169651444 756765315936 882892868592 1009020421248 1177190491456 1324339302888 1513530631872 1765785737184 2354380982912 2648678605776 3027061263744 3531571474368 5297357211552 7063142948736 10594714423104 21189428846208
• Sum of all divisors σ(n): 72120457773000
• Sum of proper divisors (its aliquot sum) s(n): 50931028926792
• 21189428846208 is an abundant number, because the sum of its proper divisors (50931028926792) is greater than itself. Its abundance is 29741600080584

Bases of 21189428846208

• Binary: 100110100010110001100011000010001111010000000₂
• Hexadecimal: 0x13458C611E80
• Base-36: 7IEAEU8W0

Squares and roots of 21189428846208

• 21189428846208 squared (21189428846208²) is 448991894828511694115979264
• 21189428846208 cubed (21189428846208³) is 9513881807992854228673789918515573030912
• The square root of 21189428846208 is 4603197.6762037931
• The cube root of 21189428846208 is 27671.9491026027

Scales and comparisons

• 21,189,428,846,208 seconds is equal to 673,758 years, 15 weeks, 2 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 21,189,428,846,208 would take you about one million, six hundred eighty-four thousand, three hundred ninety-five 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 21189428846208 cubic inches would be around 2306 feet tall.

Recreational maths with 21189428846208

• 21189428846208 backwards is 80264882498112
• 21189428846208 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21189428846208's digits is 63
• More coming soon!