21061320984
21,061,320,984 is an even composite number composed of six prime numbers multiplied together.
21061320984 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 21061320984:
23 × 32 × 112 × 23 × 89 × 1181
(2 × 2 × 2 × 3 × 3 × 11 × 11 × 23 × 89 × 1181)See below for interesting mathematical facts about the number 21061320984 from the Numbermatics database.
Names of 21061320984
- Cardinal: 21061320984 can be written as Twenty-one billion, sixty-one million, three hundred twenty thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 2.1061320984 × 1010
Factors of 21061320984
Divisors of 21061320984
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 18 22 23 24 33 36 44 46 66 69 72 88 89 92 99 121 132 138 178 184 198 207 242 253 264 267 276 356 363 396 414 484 506 534 552 712 726 759 792 801 828 968 979 1012 1068 1089 1181 1452 1518 1602 1656 1958 2024 2047 2136 2178 2277 2362 2783 2904 2937 3036 3204 3543 3916 4094 4356 4554 4724 5566 5874 6072 6141 6408 7086 7832 8188 8349 8712 8811 9108 9448 10629 10769 11132 11748 12282 12991 14172 16376 16698 17622 18216 18423 21258 21538 22264 22517 23496 24564 25047 25982 27163 28344 32307 33396 35244 36846 38973 42516 43076 45034 49128 50094 51964 54326 64614 66792 67551 70488 73692 77946 81489 85032 86152 90068 96921 100188 103928 105109 108652 116919 129228 135102 142901 147384 155892 162978 180136 193842 200376 202653 210218 217304 233838 244467 247687 258456 270204 285802 298793 311784 315327 325956 387684 405306 420436 428703 467676 488934 495374 540408 571604 597586 630654 651912 743061 775368 810612 840872 857406 896379 935352 945981 977868 990748 1143208 1156199 1195172 1261308 1286109 1486122 1621224 1714812 1792758 1891962 1955736 1981496 2229183 2312398 2390344 2417507 2522616 2572218 2689137 2972244 3286723 3429624 3468597 3585516 3783924 4458366 4624796 4835014 5144436 5378274 5944488 6573446 6937194 7171032 7252521 7567848 8916732 9249592 9670028 9860169 10288872 10405791 10756548 12718189 13146892 13874388 14505042 17833464 19340056 19720338 20811582 21513096 21757563 25436378 26293784 26592577 27748776 29010084 29580507 38154567 39440676 41623164 43515126 50872756 53185154 58020168 59161014 76309134 78881352 79777731 83246328 87030252 101745512 106370308 114463701 118322028 152618268 159555462 174060504 212740616 228927402 236644056 239333193 292518347 305236536 319110924 457854804 478666386 585036694 638221848 877555041 915709608 957332772 1170073388 1755110082 1914665544 2340146776 2632665123 3510220164 5265330246 7020440328 10530660492 21061320984
- Sum of all divisors σ(n): 66215167200
- Sum of proper divisors (its aliquot sum) s(n): 45153846216
- 21061320984 is an abundant number, because the sum of its proper divisors (45153846216) is greater than itself. Its abundance is 24092525232
Bases of 21061320984
- Binary: 100111001110101101001000001000110002
- Hexadecimal: 0x4E75A4118
- Base-36: 9OBD7A0
Squares and roots of 21061320984
- 21061320984 squared (210613209842) is 443579241591078728256
- 21061320984 cubed (210613209843) is 9342364788988991966614126523904
-
The
square root of 21061320984 is 145125.1907285569 -
The
cube root of 21061320984 is 2761.6069627425
Scales and comparisons
How big is 21061320984?- 21,061,320,984 seconds is equal to 669 years, 35 weeks, 4 days, 6 hours, 56 minutes, 24 seconds.
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To count from 1 to 21,061,320,984 would take you about one thousand, three hundred thirty-nine 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 21061320984 cubic inches would be around 230.1 feet tall.
Recreational maths with 21061320984
- 21061320984 backwards is 48902316012
- 21061320984 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21061320984's digits is 36
- More coming soon!
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