21422639420
21,422,639,420 is an even composite number composed of six prime numbers multiplied together.
21422639420 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 21422639420:
22 × 5 × 7 × 133 × 172 × 241
(2 × 2 × 5 × 7 × 13 × 13 × 13 × 17 × 17 × 241)See below for interesting mathematical facts about the number 21422639420 from the Numbermatics database.
Names of 21422639420
- Cardinal: 21422639420 can be written as Twenty-one billion, four hundred twenty-two million, six hundred thirty-nine thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.142263942 × 1010
Factors of 21422639420
Divisors of 21422639420
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 5 7 10 13 14 17 20 26 28 34 35 52 65 68 70 85 91 119 130 140 169 170 182 221 238 241 260 289 338 340 364 442 455 476 482 578 595 676 845 884 910 964 1105 1156 1183 1190 1205 1445 1547 1687 1690 1820 2023 2197 2210 2366 2380 2410 2873 2890 3094 3133 3374 3380 3757 4046 4097 4394 4420 4732 4820 5746 5780 5915 6188 6266 6748 7514 7735 8092 8194 8435 8788 10115 10985 11492 11830 12532 14365 15028 15379 15470 15665 16388 16870 18785 20111 20230 20485 21931 21970 23660 26299 28679 28730 30758 30940 31330 33740 37349 37570 40222 40460 40729 40970 43862 43940 48841 52598 53261 57358 57460 61516 62660 69649 74698 75140 76895 80444 81458 81940 87724 97682 100555 105196 106522 109655 114716 131495 139298 143395 149396 153790 162916 186745 195364 201110 203645 213044 219310 244205 261443 262990 266305 278596 285103 286790 307580 341887 348245 372827 373490 402220 407290 438620 487543 488410 522886 525980 529477 532610 570206 573580 634933 683774 692393 696490 745654 746980 814580 905437 975086 976820 1045772 1058954 1065220 1140412 1269866 1307215 1367548 1384786 1392980 1425515 1491308 1709435 1810874 1864135 1950172 2117908 2437715 2539732 2614430 2647385 2769572 2851030 3174665 3418870 3461965 3621748 3706339 3728270 4444531 4527185 4846751 4875430 5228860 5294770 5702060 6338059 6349330 6837740 6923930 7412678 7456540 8889062 9001109 9054370 9693502 9750860 10589540 11770681 12676118 12698660 13847860 14825356 17778124 18002218 18108740 18531695 19387004 22222655 23541362 24233755 25352236 31690295 36004436 37063390 44445310 45005545 47082724 48467510 58853405 63007763 63380590 74126780 82394767 88890620 90011090 96935020 117706810 126015526 126761180 153018853 164789534 180022180 235413620 252031052 306037706 315038815 329579068 411973835 612075412 630077630 765094265 823947670 1071131971 1260155260 1530188530 1647895340 2142263942 3060377060 4284527884 5355659855 10711319710 21422639420
- Sum of all divisors σ(n): 59411425920
- Sum of proper divisors (its aliquot sum) s(n): 37988786500
- 21422639420 is an abundant number, because the sum of its proper divisors (37988786500) is greater than itself. Its abundance is 16566147080
Bases of 21422639420
- Binary: 100111111001110001110001001001111002
- Hexadecimal: 0x4FCE3893C
- Base-36: 9UAHID8
Squares and roots of 21422639420
- 21422639420 squared (214226394202) is 458929479719337936400
- 21422639420 cubed (214226394203) is 9831480763235579412624092888000
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The
square root of 21422639420 is 146364.7478732499 -
The
cube root of 21422639420 is 2777.3097959577
Scales and comparisons
How big is 21422639420?- 21,422,639,420 seconds is equal to 681 years, 9 weeks, 5 hours, 10 minutes, 20 seconds.
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To count from 1 to 21,422,639,420 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 21422639420 cubic inches would be around 231.4 feet tall.
Recreational maths with 21422639420
- 21422639420 backwards is 02493622412
- 21422639420 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21422639420's digits is 35
- More coming soon!
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