21768129169789120
21,768,129,169,789,120 is an even composite number composed of seven prime numbers multiplied together.
21768129169789120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21768129169789120:
26 × 5 × 61 × 67 × 149 × 233 × 479429
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 61 × 67 × 149 × 233 × 479429)See below for interesting mathematical facts about the number 21768129169789120 from the Numbermatics database.
Names of 21768129169789120
- Cardinal: 21768129169789120 can be written as Twenty-one quadrillion, seven hundred sixty-eight trillion, one hundred twenty-nine billion, one hundred sixty-nine million, seven hundred eighty-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.176812916978912 × 1016
Factors of 21768129169789120
Divisors of 21768129169789120
- Number of divisors d(n): 448
-
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 61 64 67 80 122 134 149 160 233 244 268 298 305 320 335 466 488 536 596 610 670 745 932 976 1072 1165 1192 1220 1340 1490 1864 1952 2144 2330 2384 2440 2680 2980 3728 3904 4087 4288 4660 4768 4880 5360 5960 7456 8174 9089 9320 9536 9760 9983 10720 11920 14213 14912 15611 16348 18178 18640 19520 19966 20435 21440 23840 28426 31222 32696 34717 36356 37280 39932 40870 45445 47680 49915 56852 62444 65392 69434 71065 72712 74560 78055 79864 81740 90890 99830 113704 124888 130784 138868 142130 145424 156110 159728 163480 173585 181780 199660 227408 249776 261568 277736 284260 290848 312220 319456 326960 347170 363560 399320 454816 479429 499552 555472 568520 581696 608963 624440 638912 653920 694340 727120 798640 909632 952271 958858 999104 1110944 1137040 1217926 1248880 1307840 1388680 1454240 1597280 1904542 1917716 2117737 2221888 2274080 2326039 2397145 2435852 2497760 2777360 2908480 3044815 3194560 3809084 3835432 4235474 4548160 4652078 4761355 4794290 4871704 4995520 5554720 6089630 7618168 7670864 8470948 9304156 9522710 9588580 9743408 10588685 11109440 11630195 12179260 15236336 15341728 16941896 18608312 19045420 19177160 19486816 21177370 23260390 24358520 29245169 30472672 30683456 32121743 33883792 37216624 38090840 38354320 38973632 42354740 46520780 48717040 58490338 60945344 64243486 67767584 71434921 74433248 76181680 76708640 84709480 93041560 97434080 111706957 116980676 128486972 135535168 141888379 142869842 146225845 148866496 152363360 153417280 160608715 169418960 186083120 194868160 223413914 233961352 256973944 283776758 285739684 292451690 304726720 321217430 338837920 357174605 372166240 446827828 467922704 513947888 558534785 567553516 571479368 584903380 642434860 677675840 709441895 714349210 744332480 893655656 935845408 1027895776 1117069570 1135107032 1142958736 1169806760 1284869720 1418883790 1428698420 1787311312 1871690816 1959426323 2055791552 2234139140 2270214064 2285917472 2339613520 2569739440 2837767580 2857396840 3574622624 3918852646 4357530181 4468278280 4540428128 4571834944 4679227040 4786139707 5139478880 5675535160 5714793680 6814124377 7149245248 7484366119 7837705292 8715060362 8936556560 9080856256 9358454080 9572279414 9797131615 10278957760 11351070320 11429587360 13628248754 14968732238 15675410584 16644336593 17430120724 17873113120 19144558828 19594263230 21787650905 22702140640 22859174720 23930698535 27256497508 29937464476 31350821168 33288673186 34070621885 34860241448 35746226240 37421830595 38289117656 39188526460 43575301810 45404281280 47861397070 54512995016 59874928952 62701642336 66577346372 68141243770 69720482896 74843661190 76578235312 78377052920 83221682965 87150603620 95722794140 109025990032 119749857904 125403284672 133154692744 136282487540 139440965792 149687322380 153156470624 156754105840 166443365930 174301207240 191445588280 218051980064 239499715808 266309385488 272564975080 278881931584 291954522127 299374644760 306312941248 313508211680 332886731860 348602414480 382891176560 436103960128 456546333259 478999431616 532618770976 545129950160 583909044254 598749289520 627016423360 665773463720 697204828960 765782353120 913092666518 1015304532173 1065237541952 1090259900320 1115170551731 1167818088508 1197498579040 1331546927440 1394409657920 1459772610635 1531564706240 1826185333036 2030609064346 2180519800640 2230341103462 2282731666295 2335636177016 2394997158080 2663093854880 2919545221270 3652370666072 4061218128692 4460682206924 4565463332590 4671272354032 5076522660865 5326187709760 5575852758655 5839090442540 7304741332144 8122436257384 8921364413848 9130926665180 9342544708064 10153045321730 11151705517310 11678180885080 14609482664288 16244872514768 17842728827696 18261853330360 18685089416128 20306090643460 22303411034620 23356361770160 29218965328576 32489745029536 35685457655392 36523706660720 40612181286920 44606822069240 46712723540320 64979490059072 68025403655591 71370915310784 73047413321440 81224362573840 89213644138480 93425447080640 136050807311182 146094826642880 162448725147680 178427288276960 272101614622364 324897450295360 340127018277955 356854576553920 544203229244728 680254036555910 1088406458489456 1360508073111820 2176812916978912 2721016146223640 4353625833957824 5442032292447280 10884064584894560 21768129169789120
- Sum of all divisors σ(n): 54061475687856000
- Sum of proper divisors (its aliquot sum) s(n): 32293346518066880
- 21768129169789120 is an abundant number, because the sum of its proper divisors (32293346518066880) is greater than itself. Its abundance is 10525217348277760
Bases of 21768129169789120
- Binary: 10011010101010111111111100001101001011100010000110000002
- Hexadecimal: 0x4D55FF869710C0
- Base-36: 5YC5OHJ93GG
Squares and roots of 21768129169789120
- 21768129169789120 squared (217681291697891202) is 473851447552623962741305270374400
- 21768129169789120 cubed (217681291697891203) is 10314859517617073000130103078648827005831446528000
-
The
square root of 21768129169789120 is 147540262.8769147883 -
The
cube root of 21768129169789120 is 279216.0433574185
Scales and comparisons
How big is 21768129169789120?- 21,768,129,169,789,120 seconds is equal to 692,159,174 years, 18 weeks, 3 days, 3 hours, 38 minutes, 40 seconds.
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To count from 1 to 21,768,129,169,789,120 would take you about two billion, seventy-six million, four hundred seventy-seven thousand, five hundred twenty-three 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 21768129169789120 cubic inches would be around 23268 feet tall.
Recreational maths with 21768129169789120
- 21768129169789120 backwards is 02198796192186712
- The number of decimal digits it has is: 17
- The sum of 21768129169789120's digits is 79
- More coming soon!
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