21328447785665472
21,328,447,785,665,472 is an even composite number composed of five prime numbers multiplied together.
21328447785665472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred seventy-eight divisors.
Prime factorization of 21328447785665472:
26 × 32 × 23 × 10912 × 11632
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 23 × 1091 × 1091 × 1163 × 1163)See below for interesting mathematical facts about the number 21328447785665472 from the Numbermatics database.
Names of 21328447785665472
- Cardinal: 21328447785665472 can be written as Twenty-one quadrillion, three hundred twenty-eight trillion, four hundred forty-seven billion, seven hundred eighty-five million, six hundred sixty-five thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 2.1328447785665472 × 1016
Factors of 21328447785665472
Divisors of 21328447785665472
- Number of divisors d(n): 378
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 138 144 184 192 207 276 288 368 414 552 576 736 828 1091 1104 1163 1472 1656 2182 2208 2326 3273 3312 3489 4364 4416 4652 6546 6624 6978 8728 9304 9819 10467 13092 13248 13956 17456 18608 19638 20934 25093 26184 26749 27912 34912 37216 39276 41868 50186 52368 53498 55824 69824 74432 75279 78552 80247 83736 100372 104736 106996 111648 150558 157104 160494 167472 200744 209472 213992 223296 225837 240741 301116 314208 320988 334944 401488 427984 451674 481482 602232 628416 641976 669888 802976 855968 903348 962964 1190281 1204464 1268833 1283952 1352569 1605952 1711936 1806696 1925928 2380562 2408928 2537666 2567904 2705138 3570843 3613392 3806499 3851856 4057707 4761124 4817856 5075332 5135808 5410276 7141686 7226784 7612998 7703712 8115414 9522248 10150664 10712529 10820552 11419497 12173121 14283372 14453568 15225996 15407424 16230828 19044496 20301328 21425058 21641104 22838994 24346242 27376463 28566744 29183159 30451992 31109087 32461656 38088992 40602656 42850116 43282208 45677988 48692484 54752926 57133488 58366318 60903984 62218174 64923312 76177984 81205312 82129389 85700232 86564416 87549477 91355976 93327261 97384968 109505852 114266976 116732636 121807968 124436348 129846624 164258778 171400464 175098954 182711952 186654522 194769936 219011704 228533952 233465272 243615936 246388167 248872696 259693248 262648431 279981783 328517556 342800928 350197908 365423904 373309044 389539872 438023408 466930544 492776334 497745392 525296862 559963566 657035112 685601856 700395816 730847808 746618088 779079744 876046816 933861088 985552668 995490784 1050593724 1119927132 1314070224 1384296803 1400791632 1475652779 1493236176 1752093632 1867722176 1971105336 1990981568 2101187448 2239854264 2628140448 2768593606 2801583264 2951305558 2986472352 3942210672 4152890409 4202374896 4426958337 4479708528 5256280896 5537187212 5603166528 5902611116 5972944704 7884421344 8305780818 8404749792 8853916674 8959417056 11074374424 11805222232 12458671227 13280875011 15768842688 16611561636 16809499584 17707833348 17918834112 22148748848 23610444464 24917342454 26561750022 31838826469 33223123272 33940013917 35415666696 44297497696 47220888928 49834684908 53123500044 63677652938 66446246544 67880027834 70831333392 88594995392 94441777856 95516479407 99669369816 101820041751 106247000088 127355305876 132892493088 135760055668 141662666784 191032958814 199338739632 203640083502 212494000176 254710611752 265784986176 271520111336 283325333568 286549438221 305460125253 382065917628 398677479264 407280167004 424988000352 509421223504 543040222672 573098876442 610920250506 764131835256 797354958528 814560334008 849976000704 1018842447008 1086080445344 1146197752884 1221840501012 1528263670512 1609937181889 1629120668016 2037684894016 2172160890688 2292395505768 2443681002024 3056527341024 3219874363778 3258241336032 4584791011536 4829811545667 4887362004048 6113054682048 6439748727556 6516482672064 9169582023072 9659623091334 9774724008096 12879497455112 14489434637001 18339164046144 19319246182668 19549448016192 25758994910224 28978869274002 37028555183447 38638492365336 51517989820448 57957738548004 74057110366894 77276984730672 103035979640896 111085665550341 115915477096008 148114220733788 154553969461344 222171331100682 231830954192016 296228441467576 309107938922688 333256996651023 444342662201364 463661908384032 592456882935152 666513993302046 888685324402728 927323816768064 1184913765870304 1333027986604092 1777370648805456 2369827531740608 2666055973208184 3554741297610912 5332111946416368 7109482595221824 10664223892832736 21328447785665472
- Sum of all divisors σ(n): 63905624660886216
- Sum of proper divisors (its aliquot sum) s(n): 42577176875220744
- 21328447785665472 is an abundant number, because the sum of its proper divisors (42577176875220744) is greater than itself. Its abundance is 21248729089555272
Bases of 21328447785665472
- Binary: 10010111100011000011100001110011110000000000011110000002
- Hexadecimal: 0x4BC61C39E003C0
- Base-36: 5U0AXNBDRK0
Squares and roots of 21328447785665472
- 21328447785665472 squared (213284477856654722) is 454902684945858375834201892982784
- 21328447785665472 cubed (213284477856654723) is 9702368163426770920540971156714604450060479234048
-
The
square root of 21328447785665472 is 146042623.1812667491 -
The
cube root of 21328447785665472 is 277323.3365641511
Scales and comparisons
How big is 21328447785665472?- 21,328,447,785,665,472 seconds is equal to 678,178,666 years, 18 weeks, 6 days, 7 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,328,447,785,665,472 would take you about two billion, thirty-four million, five hundred thirty-five thousand, nine hundred ninety-nine 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 21328447785665472 cubic inches would be around 23110.3 feet tall.
Recreational maths with 21328447785665472
- 21328447785665472 backwards is 27456658774482312
- The number of decimal digits it has is: 17
- The sum of 21328447785665472's digits is 81
- More coming soon!
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The information we have on file for 21328447785665472 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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