21227721240421728
21,227,721,240,421,728 is an even composite number composed of six prime numbers multiplied together.
21227721240421728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21227721240421728:
25 × 32 × 61 × 211 × 131071 × 43691
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 61 × 211 × 131071 × 43691)See below for interesting mathematical facts about the number 21227721240421728 from the Numbermatics database.
Names of 21227721240421728
- Cardinal: 21227721240421728 can be written as Twenty-one quadrillion, two hundred twenty-seven trillion, seven hundred twenty-one billion, two hundred forty million, four hundred twenty-one thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1227721240421728 × 1016
Factors of 21227721240421728
Divisors of 21227721240421728
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 72 96 122 144 183 211 244 288 366 422 488 549 633 732 844 976 1098 1266 1464 1688 1899 1952 2196 2532 2928 3376 3798 4392 5064 5856 6752 7596 8784 10128 12871 15192 17568 20256 25742 30384 38613 43691 51484 60768 77226 87382 102968 115839 131071 131073 154452 174764 205936 231678 262142 262146 308904 349528 393213 393219 411872 463356 524284 524292 617808 699056 786426 786438 926712 1048568 1048584 1179639 1235616 1398112 1572852 1572876 1853424 2097136 2097168 2359278 2665151 3145704 3145752 3706848 4194272 4194336 4718556 5330302 6291408 6291504 7995331 7995453 9218801 9437112 10660604 12582816 12583008 15990662 15990906 18437602 18874224 21321208 23985993 23986359 27655981 27656403 31981324 31981812 36875204 37748448 42642416 47971986 47972718 55311962 55312806 63962648 63963624 71957979 73750408 82967943 82969209 85284832 95943972 95945436 110623924 110625612 127925296 127927248 143915958 147500816 165935886 165938418 191887944 191890872 221247848 221251224 248903829 255850592 255854496 287831916 295001632 331871772 331876836 383775888 383781744 442495696 442502448 497807658 562346861 575663832 663743544 663753672 767551776 767563488 884991392 885004896 995615316 1124693722 1151327664 1327487088 1327507344 1687014841 1687040583 1991230632 2249387444 2302655328 2654974176 2655014688 3374029682 3374081166 3982461264 4498774888 5061044523 5061121749 5726623061 6748059364 6748162332 7964922528 8997549776 10122089046 10122243498 11453246122 13496118728 13496324664 15183133569 17179869183 17995099552 20244178092 20244486996 22906492244 26992237456 26992649328 30366267138 34359738366 40488356184 40488973992 45812984488 51539607549 53984474912 53985298656 60732534276 68719476732 80976712368 80977947984 91625968976 103079215098 121465068552 137438953464 161953424736 161955895968 183251937952 206158430196 242930137104 274877906928 349324006721 412316860392 485860274208 549755813856 698648013442 824633720784 1047972020163 1208317465871 1397296026884 1649267441568 2095944040326 2416634931742 2794592053768 3143916060489 3624952397613 4191888080652 4833269863484 5589184107536 6287832120978 7249904795226 8383776161304 9666539726968 10874857192839 11178368215072 12575664241956 14499809590452 16767552322608 19333079453936 21749714385678 25151328483912 28999619180904 33535104645216 38666158907872 43499428771356 50302656967824 57999238361808 73707365418131 86998857542712 100605313935648 115998476723616 147414730836262 173997715085424 221122096254393 294829461672524 347995430170848 442244192508786 589658923345048 663366288763179 884488385017572 1179317846690096 1326732577526358 1768976770035144 2358635693380192 2653465155052716 3537953540070288 5306930310105432 7075907080140576 10613860620210864 21227721240421728
- Sum of all divisors σ(n): 61648612060299264
- Sum of proper divisors (its aliquot sum) s(n): 40420890819877536
- 21227721240421728 is an abundant number, because the sum of its proper divisors (40420890819877536) is greater than itself. Its abundance is 19193169579455808
Bases of 21227721240421728
- Binary: 10010110110101001111111111111111110110100100101011000002
- Hexadecimal: 0x4B6A7FFFED2560
- Base-36: 5T0LKIF0YG0
Squares and roots of 21227721240421728
- 21227721240421728 squared (212277212404217282) is 450616149061051786446383294505984
- 21227721240421728 cubed (212277212404217283) is 9565553998700332511199054029760312197925579620352
-
The
square root of 21227721240421728 is 145697361.8169585389 -
The
cube root of 21227721240421728 is 276886.0815670429
Scales and comparisons
How big is 21227721240421728?- 21,227,721,240,421,728 seconds is equal to 674,975,873 years, 41 weeks, 1 day, 10 hours, 28 minutes, 48 seconds.
-
To count from 1 to 21,227,721,240,421,728 would take you about two billion, twenty-four million, nine hundred twenty-seven thousand, six hundred twenty-one 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 21227721240421728 cubic inches would be around 23073.8 feet tall.
Recreational maths with 21227721240421728
- 21227721240421728 backwards is 82712404212772212
- The number of decimal digits it has is: 17
- The sum of 21227721240421728's digits is 54
- More coming soon!
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