21531744144
21,531,744,144 is an even composite number composed of six prime numbers multiplied together.
21531744144 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21531744144:
24 × 32 × 29 × 59 × 281 × 311
(2 × 2 × 2 × 2 × 3 × 3 × 29 × 59 × 281 × 311)See below for interesting mathematical facts about the number 21531744144 from the Numbermatics database.
Names of 21531744144
- Cardinal: 21531744144 can be written as Twenty-one billion, five hundred thirty-one million, seven hundred forty-four thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 2.1531744144 × 1010
Factors of 21531744144
Divisors of 21531744144
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 29 36 48 58 59 72 87 116 118 144 174 177 232 236 261 281 311 348 354 464 472 522 531 562 622 696 708 843 933 944 1044 1062 1124 1244 1392 1416 1686 1711 1866 2088 2124 2248 2488 2529 2799 2832 3372 3422 3732 4176 4248 4496 4976 5058 5133 5598 6744 6844 7464 8149 8496 9019 10116 10266 11196 13488 13688 14928 15399 16298 16579 18038 18349 20232 20532 22392 24447 27057 27376 30798 32596 33158 36076 36698 40464 41064 44784 48894 49737 54114 55047 61596 65192 66316 72152 73341 73396 81171 82128 87391 97788 99474 108228 110094 123192 130384 132632 144304 146682 146792 149211 162342 165141 174782 195576 198948 216456 220188 246384 262173 265264 293364 293584 298422 324684 330282 349564 391152 397896 432912 440376 480791 524346 532121 586728 596844 649368 660564 699128 786519 795792 880752 961582 1048692 1064242 1173456 1193688 1298736 1321128 1398256 1442373 1573038 1596363 1923164 2097384 2128484 2387376 2534339 2642256 2884746 3146076 3192726 3846328 4194768 4256968 4327119 4789089 5068678 5156069 5769492 6292152 6385452 7603017 7692656 8513936 8654238 9578178 10137356 10312138 11538984 12584304 12770904 15206034 15468207 17308476 19156356 20274712 20624276 22809051 23077968 25541808 30412068 30936414 34616952 38312712 40549424 41248552 45618102 46404621 60824136 61872828 69233904 76625424 82497104 91236204 92809242 121648272 123745656 149526001 182472408 185618484 247491312 299052002 364944816 371236968 448578003 598104004 742473936 897156006 1196208008 1345734009 1794312012 2392416016 2691468018 3588624024 5382936036 7177248048 10765872072 21531744144
- Sum of all divisors σ(n): 63823593600
- Sum of proper divisors (its aliquot sum) s(n): 42291849456
- 21531744144 is an abundant number, because the sum of its proper divisors (42291849456) is greater than itself. Its abundance is 20760105312
Bases of 21531744144
- Binary: 101000000110110010001010111100100002
- Hexadecimal: 0x503645790
- Base-36: 9W3G040
Squares and roots of 21531744144
- 21531744144 squared (215317441442) is 463616005882678292736
- 21531744144 cubed (215317441443) is 9982461219729027880654285737984
-
The
square root of 21531744144 is 146736.9896924425 -
The
cube root of 21531744144 is 2782.0167268541
Scales and comparisons
How big is 21531744144?- 21,531,744,144 seconds is equal to 684 years, 33 weeks, 3 days, 2 minutes, 24 seconds.
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To count from 1 to 21,531,744,144 would take you about one thousand, three hundred sixty-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 21531744144 cubic inches would be around 231.8 feet tall.
Recreational maths with 21531744144
- 21531744144 backwards is 44144713512
- 21531744144 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21531744144's digits is 36
- More coming soon!
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