21047744016
21,047,744,016 is an even composite number composed of six prime numbers multiplied together.
21047744016 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21047744016:
24 × 32 × 132 × 59 × 107 × 137
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 13 × 59 × 107 × 137)See below for interesting mathematical facts about the number 21047744016 from the Numbermatics database.
Names of 21047744016
- Cardinal: 21047744016 can be written as Twenty-one billion, forty-seven million, seven hundred forty-four thousand and sixteen.
Scientific notation
- Scientific notation: 2.1047744016 × 1010
Factors of 21047744016
Divisors of 21047744016
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 59 72 78 104 107 117 118 137 144 156 169 177 208 214 234 236 274 312 321 338 354 411 428 468 472 507 531 548 624 642 676 708 767 822 856 936 944 963 1014 1062 1096 1233 1284 1352 1391 1416 1521 1534 1644 1712 1781 1872 1926 2028 2124 2192 2301 2466 2568 2704 2782 2832 3042 3068 3288 3562 3852 4056 4173 4248 4602 4932 5136 5343 5564 6084 6136 6313 6576 6903 7124 7704 8083 8112 8346 8496 9204 9864 9971 10686 11128 12168 12272 12519 12626 13806 14248 14659 15408 16029 16166 16692 18083 18408 18939 19728 19942 21372 22256 23153 24249 24336 25038 25252 27612 28496 29318 29913 32058 32332 33384 36166 36816 37878 39884 42744 43977 46306 48498 50076 50504 54249 55224 56817 58636 59826 64116 64664 66768 69459 72332 72747 75756 79768 82069 85488 87954 89739 92612 96996 100152 101008 105079 108498 110448 113634 117272 119652 128232 129328 131931 138918 144664 145494 151512 159536 162747 164138 175908 179478 185224 190567 193992 200304 208377 210158 216996 227268 234544 239304 246207 256464 263862 277836 289328 290988 303024 315237 325494 328276 351816 358956 370448 381134 387984 416754 420316 433992 454536 478608 492414 527724 555672 571701 581976 630474 650988 656552 703632 717912 738621 762268 833508 840632 864881 867984 909072 945711 984828 1055448 1066897 1111344 1143402 1163952 1260948 1301976 1313104 1366027 1435824 1477242 1524536 1667016 1681264 1715103 1729762 1891422 1969656 2110896 2133794 2286804 2477371 2521896 2594643 2603952 2732054 2954484 3049072 3200691 3334032 3430206 3459524 3782844 3939312 4098081 4267588 4573608 4954742 5043792 5189286 5464108 5908968 6401382 6860412 6919048 7432113 7565688 7783929 8196162 8535176 9147216 9602073 9909484 10378572 10928216 11243453 11817936 12294243 12802764 13720824 13838096 14864226 15131376 15567858 16392324 17070352 19204146 19818968 20757144 21856432 22296339 22486906 24588486 25605528 27441648 29728452 31135716 32784648 33730359 38408292 39637936 41514288 44592678 44973812 49176972 51211056 59456904 62271432 65569296 67460718 76816584 89185356 89947624 98353944 101191077 118913808 124542864 134921436 146164889 153633168 178370712 179895248 196707888 202382154 269842872 292329778 356741424 404764308 438494667 539685744 584659556 809528616 876989334 1169319112 1315484001 1619057232 1753978668 2338638224 2630968002 3507957336 5261936004 7015914672 10523872008 21047744016
- Sum of all divisors σ(n): 65949305760
- Sum of proper divisors (its aliquot sum) s(n): 44901561744
- 21047744016 is an abundant number, because the sum of its proper divisors (44901561744) is greater than itself. Its abundance is 23853817728
Bases of 21047744016
- Binary: 100111001101000101100010110000100002
- Hexadecimal: 0x4E68B1610
- Base-36: 9O3A780
Squares and roots of 21047744016
- 21047744016 squared (210477440162) is 443007528163063808256
- 21047744016 cubed (210477440163) is 9324309049937077742446395396096
-
The
square root of 21047744016 is 145078.4064428611 -
The
cube root of 21047744016 is 2761.0134211657
Scales and comparisons
How big is 21047744016?- 21,047,744,016 seconds is equal to 669 years, 13 weeks, 1 day, 3 hours, 33 minutes, 36 seconds.
-
To count from 1 to 21,047,744,016 would take you about one thousand, three hundred thirty-eight 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 21047744016 cubic inches would be around 230.1 feet tall.
Recreational maths with 21047744016
- 21047744016 backwards is 61044774012
- 21047744016 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21047744016's digits is 36
- More coming soon!
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