21009410892
21,009,410,892 is an even composite number composed of seven prime numbers multiplied together.
21009410892 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21009410892:
22 × 32 × 19 × 31 × 37 × 61 × 439
(2 × 2 × 3 × 3 × 19 × 31 × 37 × 61 × 439)See below for interesting mathematical facts about the number 21009410892 from the Numbermatics database.
Names of 21009410892
- Cardinal: 21009410892 can be written as Twenty-one billion, nine million, four hundred ten thousand, eight hundred ninety-two.
Scientific notation
- Scientific notation: 2.1009410892 × 1010
Factors of 21009410892
Divisors of 21009410892
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 9 12 18 19 31 36 37 38 57 61 62 74 76 93 111 114 122 124 148 171 183 186 222 228 244 279 333 342 366 372 439 444 549 558 589 666 684 703 732 878 1098 1116 1147 1159 1178 1317 1332 1406 1756 1767 1891 2109 2196 2257 2294 2318 2356 2634 2812 3441 3477 3534 3782 3951 4218 4514 4588 4636 5268 5301 5673 6327 6771 6882 6954 7068 7564 7902 8341 8436 9028 10323 10431 10602 11346 12654 13542 13609 13764 13908 15804 16243 16682 17019 20313 20646 20862 21204 21793 22692 25023 25308 26779 27084 27218 32486 33364 34038 35929 40626 40827 41292 41724 42883 43586 48729 50046 53558 54436 64972 65379 68076 69967 71858 75069 80337 81252 81654 85766 87172 97458 100092 107116 107787 122481 128649 130758 139934 143716 146187 150138 160674 163308 171532 194916 196137 209901 215574 241011 244962 257298 258571 261516 279868 292374 300276 308617 321348 323361 385947 392274 419802 431148 482022 489924 503533 508801 514596 517142 584748 617234 629703 646722 771894 775713 784548 830149 839604 925851 964044 990823 1007066 1017602 1034284 1234468 1259406 1293444 1329373 1510599 1526403 1543788 1551426 1660298 1851702 1981646 2014132 2035204 2327139 2490447 2518812 2658746 2777553 2972469 3021198 3052806 3102852 3320596 3703404 3963292 3988119 4531797 4579209 4654278 4980894 5317492 5555106 5944938 6042396 6105612 7471341 7976238 8917407 9063594 9158418 9308556 9567127 9961788 11110212 11889876 11964357 14942682 15772831 15952476 17834814 18127188 18316836 18825637 19134254 23928714 28701381 29885364 30715513 31545662 35669628 37651274 38268508 47318493 47857428 56476911 57402762 61431026 63091324 75302548 86104143 92146539 94636986 112953822 114805524 122862052 141955479 169430733 172208286 184293078 189273972 225907644 276439617 283910958 338861466 344416572 368586156 552879234 567821916 583594747 677722932 1105758468 1167189494 1750784241 2334378988 3501568482 5252352723 7003136964 10504705446 21009410892
- Sum of all divisors σ(n): 60373913600
- Sum of proper divisors (its aliquot sum) s(n): 39364502708
- 21009410892 is an abundant number, because the sum of its proper divisors (39364502708) is greater than itself. Its abundance is 18355091816
Bases of 21009410892
- Binary: 100111001000100001000101011010011002
- Hexadecimal: 0x4E4422B4C
- Base-36: 9NGGL70
Squares and roots of 21009410892
- 21009410892 squared (210094108922) is 441395346028888235664
- 21009410892 cubed (210094108923) is 9273456190537433445009904452288
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The
square root of 21009410892 is 144946.2344871365 -
The
cube root of 21009410892 is 2759.3362408249
Scales and comparisons
How big is 21009410892?- 21,009,410,892 seconds is equal to 668 years, 1 week, 5 days, 11 hours, 28 minutes, 12 seconds.
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To count from 1 to 21,009,410,892 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 21009410892 cubic inches would be around 229.9 feet tall.
Recreational maths with 21009410892
- 21009410892 backwards is 29801490012
- 21009410892 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21009410892's digits is 36
- More coming soon!
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