21426985728
21,426,985,728 is an even composite number composed of five prime numbers multiplied together.
21426985728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21426985728:
28 × 35 × 31 × 41 × 271
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 31 × 41 × 271)See below for interesting mathematical facts about the number 21426985728 from the Numbermatics database.
Names of 21426985728
- Cardinal: 21426985728 can be written as Twenty-one billion, four hundred twenty-six million, nine hundred eighty-five thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1426985728 × 1010
Factors of 21426985728
Divisors of 21426985728
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 41 48 54 62 64 72 81 82 93 96 108 123 124 128 144 162 164 186 192 216 243 246 248 256 271 279 288 324 328 369 372 384 432 486 492 496 542 558 576 648 656 738 744 768 813 837 864 972 984 992 1084 1107 1116 1152 1271 1296 1312 1476 1488 1626 1674 1728 1944 1968 1984 2168 2214 2232 2304 2439 2511 2542 2592 2624 2952 2976 3252 3321 3348 3456 3813 3888 3936 3968 4336 4428 4464 4878 5022 5084 5184 5248 5904 5952 6504 6642 6696 6912 7317 7533 7626 7776 7872 7936 8401 8672 8856 8928 9756 9963 10044 10168 10368 10496 11111 11439 11808 11904 13008 13284 13392 14634 15066 15252 15552 15744 16802 17344 17712 17856 19512 19926 20088 20336 20736 21951 22222 22878 23616 23808 25203 26016 26568 26784 29268 30132 30504 31104 31488 33333 33604 34317 34688 35424 35712 39024 39852 40176 40672 43902 44444 45756 47232 50406 52032 53136 53568 58536 60264 61008 62208 65853 66666 67208 68634 69376 70848 71424 75609 78048 79704 80352 81344 87804 88888 91512 94464 99999 100812 102951 104064 106272 107136 117072 120528 122016 131706 133332 134416 137268 141696 151218 156096 159408 160704 162688 175608 177776 183024 199998 201624 205902 208128 212544 214272 226827 234144 241056 244032 263412 266664 268832 274536 283392 299997 302436 308853 312192 318816 321408 325376 344441 351216 355552 366048 399996 403248 411804 425088 453654 468288 482112 488064 526824 533328 537664 549072 599994 604872 617706 624384 637632 642816 680481 688882 702432 711104 732096 799992 806496 823608 850176 899991 907308 936576 964224 976128 1033323 1053648 1066656 1075328 1098144 1199988 1209744 1235412 1275264 1360962 1377764 1404864 1422208 1464192 1599984 1612992 1647216 1799982 1814616 1873152 1928448 2041443 2066646 2107296 2133312 2150656 2196288 2399976 2419488 2470824 2550528 2699973 2721924 2755528 2809728 2844416 2928384 3099969 3199968 3225984 3294432 3599964 3629232 4082886 4133292 4214592 4266624 4392576 4799952 4838976 4941648 5399946 5443848 5511056 5619456 6199938 6399936 6451968 6588864 7199928 7258464 8165772 8266584 8429184 8533248 8785152 9299907 9599904 9677952 9883296 10799892 10887696 11022112 12399876 12799872 13177728 14399856 14516928 16331544 16533168 16858368 18599814 19199808 19355904 19766592 21599784 21775392 22044224 24799752 25599744 26355456 27899721 28799712 29033856 32663088 33066336 37199628 38399616 39533184 43199568 43550784 44088448 49599504 55799442 57599424 58067712 65326176 66132672 74399256 76799232 79066368 83699163 86399136 87101568 88176896 99199008 111598884 115198848 130652352 132265344 148798512 167398326 172798272 174203136 198398016 223197768 230397696 261304704 264530688 297597024 334796652 345596544 396796032 446395536 522609408 595194048 669593304 691193088 793592064 892791072 1190388096 1339186608 1785582144 2380776192 2678373216 3571164288 5356746432 7142328576 10713492864 21426985728
- Sum of all divisors σ(n): 67997110272
- Sum of proper divisors (its aliquot sum) s(n): 46570124544
- 21426985728 is an abundant number, because the sum of its proper divisors (46570124544) is greater than itself. Its abundance is 25143138816
Bases of 21426985728
- Binary: 100111111010010010111011011000000002
- Hexadecimal: 0x4FD25DB00
- Base-36: 9UD2O00
Squares and roots of 21426985728
- 21426985728 squared (214269857282) is 459115717387915689984
- 21426985728 cubed (214269857283) is 9837465923971350928954440548352
-
The
square root of 21426985728 is 146379.5946435159 -
The
cube root of 21426985728 is 2777.4976070439
Scales and comparisons
How big is 21426985728?- 21,426,985,728 seconds is equal to 681 years, 16 weeks, 1 day, 12 hours, 28 minutes, 48 seconds.
-
To count from 1 to 21,426,985,728 would take you about one thousand, three hundred sixty-two 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 21426985728 cubic inches would be around 231.5 feet tall.
Recreational maths with 21426985728
- 21426985728 backwards is 82758962412
- 21426985728 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21426985728's digits is 54
- More coming soon!
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The information we have on file for 21426985728 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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