21420000987648
21,420,000,987,648 is an even composite number composed of four prime numbers multiplied together.
21420000987648 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21420000987648:
29 × 3 × 293 × 833
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 29 × 29 × 29 × 83 × 83 × 83)See below for interesting mathematical facts about the number 21420000987648 from the Numbermatics database.
Names of 21420000987648
- Cardinal: 21420000987648 can be written as Twenty-one trillion, four hundred twenty billion, nine hundred eighty-seven thousand, six hundred forty-eight.
Scientific notation
- Scientific notation: 2.1420000987648 × 1013
Factors of 21420000987648
Divisors of 21420000987648
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 29 32 48 58 64 83 87 96 116 128 166 174 192 232 249 256 332 348 384 464 498 512 664 696 768 841 928 996 1328 1392 1536 1682 1856 1992 2407 2523 2656 2784 3364 3712 3984 4814 5046 5312 5568 6728 6889 7221 7424 7968 9628 10092 10624 11136 13456 13778 14442 14848 15936 19256 20184 20667 21248 22272 24389 26912 27556 28884 31872 38512 40368 41334 42496 44544 48778 53824 55112 57768 63744 69803 73167 77024 80736 82668 97556 107648 110224 115536 127488 139606 146334 154048 161472 165336 195112 199781 209409 215296 220448 231072 279212 292668 308096 322944 330672 390224 399562 418818 430592 440896 462144 558424 571787 585336 599343 616192 645888 661344 780448 799124 837636 881792 924288 1116848 1143574 1170672 1198686 1232384 1291776 1322688 1560896 1598248 1675272 1715361 1763584 1848576 2024287 2233696 2287148 2341344 2397372 2645376 3121792 3196496 3350544 3430722 3527168 3697152 4048574 4467392 4574296 4682688 4794744 5290752 5793649 6072861 6243584 6392992 6701088 6861444 8097148 8934784 9148592 9365376 9589488 10581504 11587298 12145722 12487168 12785984 13402176 13722888 16194296 16581823 17380947 17869568 18297184 18730752 19178976 23174596 24291444 25571968 26804352 27445776 32388592 33163646 34761894 35739136 36594368 37461504 38357952 46349192 48582888 49745469 51143936 53608704 54891552 64777184 66327292 69523788 73188736 76715904 92698384 97165776 99490938 102287872 107217408 109783104 129554368 132654584 139047576 146377472 153431808 168015821 185396768 194331552 198981876 219566208 259108736 265309168 278095152 292754944 306863616 336031642 370793536 388663104 397963752 439132416 480872867 504047463 518217472 530618336 556190304 672063284 741587072 777326208 795927504 878264832 961745734 1008094926 1036434944 1061236672 1112380608 1344126568 1442618601 1483174144 1554652416 1591855008 1923491468 2016189852 2122473344 2224761216 2688253136 2885237202 2966348288 3109304832 3183710016 3846982936 4032379704 4244946688 4449522432 5376506272 5770474404 6367420032 7693965872 8064759408 8489893376 8899044864 10753012544 11540948808 12734840064 13945313143 15387931744 16129518816 21506025088 23081897616 25469680128 27890626286 30775863488 32259037632 41835939429 43012050176 46163795232 55781252572 61551726976 64518075264 83671878858 86024100352 92327590464 111562505144 123103453952 129036150528 167343757716 184655180928 223125010288 246206907904 258072301056 334687515432 369310361856 446250020576 669375030864 738620723712 892500041152 1338750061728 1785000082304 2677500123456 3570000164608 5355000246912 7140000329216 10710000493824 21420000987648
- Sum of all divisors σ(n): 59822902339200
- Sum of proper divisors (its aliquot sum) s(n): 38402901351552
- 21420000987648 is an abundant number, because the sum of its proper divisors (38402901351552) is greater than itself. Its abundance is 16982900363904
Bases of 21420000987648
- Binary: 1001101111011001110111000110011001010000000002
- Hexadecimal: 0x137B3B8CCA00
- Base-36: 7LC7NJFUO
Squares and roots of 21420000987648
- 21420000987648 squared (214200009876482) is 458816442310841295448571904
- 21420000987648 cubed (214200009876483) is 9827848647447362163926193950871143841792
-
The
square root of 21420000987648 is 4628174.6928619711 -
The
cube root of 21420000987648 is 27771.9577258395
Scales and comparisons
How big is 21420000987648?- 21,420,000,987,648 seconds is equal to 681,089 years, 40 weeks, 2 days, 2 hours, 20 minutes, 48 seconds.
-
To count from 1 to 21,420,000,987,648 would take you about one million, seven hundred two thousand, seven hundred twenty-four 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 21420000987648 cubic inches would be around 2314.3 feet tall.
Recreational maths with 21420000987648
- 21420000987648 backwards is 84678900002412
- The number of decimal digits it has is: 14
- The sum of 21420000987648's digits is 51
- More coming soon!
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