21009615616
21,009,615,616 is an even composite number composed of six prime numbers multiplied together.
21009615616 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 21009615616:
28 × 11 × 29 × 31 × 43 × 193
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 29 × 31 × 43 × 193)See below for interesting mathematical facts about the number 21009615616 from the Numbermatics database.
Names of 21009615616
- Cardinal: 21009615616 can be written as Twenty-one billion, nine million, six hundred fifteen thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 2.1009615616 × 1010
Factors of 21009615616
Divisors of 21009615616
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 4 8 11 16 22 29 31 32 43 44 58 62 64 86 88 116 124 128 172 176 193 232 248 256 319 341 344 352 386 464 473 496 638 682 688 704 772 899 928 946 992 1247 1276 1333 1364 1376 1408 1544 1798 1856 1892 1984 2123 2494 2552 2666 2728 2752 2816 3088 3596 3712 3784 3968 4246 4988 5104 5332 5456 5504 5597 5983 6176 7192 7424 7568 7936 8299 8492 9889 9976 10208 10664 10912 11008 11194 11966 12352 13717 14384 14663 15136 16598 16984 19778 19952 20416 21328 21824 22388 23932 24704 27434 28768 29326 30272 33196 33968 38657 39556 39904 40832 42656 43648 44776 47864 49408 54868 57536 58652 60544 61567 65813 66392 67936 77314 79112 79808 81664 85312 87296 89552 91289 95728 109736 115072 117304 121088 123134 131626 132784 135872 154628 158224 159616 170624 173507 179104 182578 191456 219472 230144 234608 240671 246268 257269 263252 265568 271744 309256 316448 319232 341248 347014 358208 365156 382912 425227 438944 469216 481342 492536 514538 526504 531136 543488 618512 632896 694028 716416 730312 765824 850454 877888 938432 962684 985072 1029076 1053008 1062272 1237024 1265792 1388056 1432832 1460624 1531648 1700908 1755776 1876864 1908577 1925368 1970144 2058152 2106016 2124544 2474048 2531584 2647381 2776112 2829959 2921248 3401816 3511552 3753728 3817154 3850736 3940288 4116304 4212032 4948096 5294762 5552224 5659918 5842496 6803632 7460801 7634308 7701472 7880576 8232608 8424064 9896192 10589524 11104448 11319836 11684992 13607264 14921602 15268616 15402944 15761152 16465216 16848128 21179048 22208896 22639672 23369984 27214528 29843204 30537232 30805888 32930432 42358096 44417792 45279344 54429056 59686408 61074464 61611776 65860864 82068811 84716192 90558688 108858112 119372816 122148928 164137622 169432384 181117376 238745632 244297856 328275244 338864768 362234752 477491264 488595712 656550488 677729536 724469504 954982528 1313100976 1909965056 2626201952 5252403904 10504807808 21009615616
- Sum of all divisors σ(n): 50249041920
- Sum of proper divisors (its aliquot sum) s(n): 29239426304
- 21009615616 is an abundant number, because the sum of its proper divisors (29239426304) is greater than itself. Its abundance is 8229810688
Bases of 21009615616
- Binary: 100111001000100010101001011000000002
- Hexadecimal: 0x4E4454B00
- Base-36: 9NGKZ5S
Squares and roots of 21009615616
- 21009615616 squared (210096156162) is 441403948332071059456
- 21009615616 cubed (210096156163) is 9273727285841537284368442064896
-
The
square root of 21009615616 is 144946.9406921029 -
The
cube root of 21009615616 is 2759.3452034831
Scales and comparisons
How big is 21009615616?- 21,009,615,616 seconds is equal to 668 years, 2 weeks, 20 hours, 20 minutes, 16 seconds.
-
To count from 1 to 21,009,615,616 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 21009615616 cubic inches would be around 229.9 feet tall.
Recreational maths with 21009615616
- 21009615616 backwards is 61651690012
- The number of decimal digits it has is: 11
- The sum of 21009615616's digits is 37
- More coming soon!
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