21021627744
21,021,627,744 is an even composite number composed of six prime numbers multiplied together.
21021627744 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 21021627744:
25 × 32 × 13 × 31 × 71 × 2551
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 13 × 31 × 71 × 2551)See below for interesting mathematical facts about the number 21021627744 from the Numbermatics database.
Names of 21021627744
- Cardinal: 21021627744 can be written as Twenty-one billion, twenty-one million, six hundred twenty-seven thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 2.1021627744 × 1010
Factors of 21021627744
Divisors of 21021627744
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 31 32 36 39 48 52 62 71 72 78 93 96 104 117 124 142 144 156 186 208 213 234 248 279 284 288 312 372 403 416 426 468 496 558 568 624 639 744 806 852 923 936 992 1116 1136 1209 1248 1278 1488 1612 1704 1846 1872 2201 2232 2272 2418 2551 2556 2769 2976 3224 3408 3627 3692 3744 4402 4464 4836 5102 5112 5538 6448 6603 6816 7254 7384 7653 8307 8804 8928 9672 10204 10224 11076 12896 13206 14508 14768 15306 16614 17608 19344 19809 20408 20448 22152 22959 26412 28613 29016 29536 30612 33163 33228 35216 38688 39618 40816 44304 45918 52824 57226 58032 61224 66326 66456 70432 79081 79236 81632 85839 88608 91836 99489 105648 114452 116064 122448 132652 132912 158162 158472 171678 181121 183672 198978 211296 228904 237243 244896 257517 265304 265824 298467 316324 316944 343356 362242 367344 397956 457808 474486 515034 530608 543363 596934 632648 633888 686712 711729 724484 734688 795912 915616 948972 1028053 1030068 1061216 1086726 1193868 1265296 1373424 1423458 1448968 1591824 1630089 1897944 2056106 2060136 2173452 2354573 2387736 2530592 2746848 2846916 2897936 3084159 3183648 3260178 3795888 4112212 4120272 4346904 4709146 4775472 5614751 5693832 5795872 6168318 6520356 7063719 7591776 8224424 8240544 8693808 9252477 9418292 9550944 11229502 11387664 12336636 13040712 14127438 16448848 16844253 17387616 18504954 18836584 21191157 22459004 22775328 24673272 26081424 28254876 32897696 33688506 37009908 37673168 42382314 44918008 49346544 50532759 52162848 56509752 67377012 72991763 74019816 75346336 84764628 89836016 98693088 101065518 113019504 134754024 145983526 148039632 169529256 179672032 202131036 218975289 226039008 269508048 291967052 296079264 339058512 404262072 437950578 539016096 583934104 656925867 678117024 808524144 875901156 1167868208 1313851734 1617048288 1751802312 2335736416 2627703468 3503604624 5255406936 7007209248 10510813872 21021627744
- Sum of all divisors σ(n): 67417878528
- Sum of proper divisors (its aliquot sum) s(n): 46396250784
- 21021627744 is an abundant number, because the sum of its proper divisors (46396250784) is greater than itself. Its abundance is 25374623040
Bases of 21021627744
- Binary: 100111001001111110010010101011000002
- Hexadecimal: 0x4E4FC9560
- Base-36: 9NNQFS0
Squares and roots of 21021627744
- 21021627744 squared (210216277442) is 441908833007310529536
- 21021627744 cubed (210216277443) is 9289642984265141982517309046784
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The
square root of 21021627744 is 144988.3710647167 -
The
cube root of 21021627744 is 2759.8709832571
Scales and comparisons
How big is 21021627744?- 21,021,627,744 seconds is equal to 668 years, 21 weeks, 6 days, 21 hours, 2 minutes, 24 seconds.
-
To count from 1 to 21,021,627,744 would take you about one thousand, three hundred thirty-six 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 21021627744 cubic inches would be around 230 feet tall.
Recreational maths with 21021627744
- 21021627744 backwards is 44772612012
- 21021627744 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21021627744's digits is 36
- More coming soon!
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