21189489048
21,189,489,048 is an even composite number composed of five prime numbers multiplied together.
21189489048 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21189489048:
23 × 32 × 73 × 132 × 5077
(2 × 2 × 2 × 3 × 3 × 7 × 7 × 7 × 13 × 13 × 5077)See below for interesting mathematical facts about the number 21189489048 from the Numbermatics database.
Names of 21189489048
- Cardinal: 21189489048 can be written as Twenty-one billion, one hundred eighty-nine million, four hundred eighty-nine thousand and forty-eight.
Scientific notation
- Scientific notation: 2.1189489048 × 1010
Factors of 21189489048
Divisors of 21189489048
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 49 52 56 63 72 78 84 91 98 104 117 126 147 156 168 169 182 196 234 252 273 294 312 338 343 364 392 441 468 504 507 546 588 637 676 686 728 819 882 936 1014 1029 1092 1176 1183 1274 1352 1372 1521 1638 1764 1911 2028 2058 2184 2366 2548 2744 3042 3087 3276 3528 3549 3822 4056 4116 4459 4732 5077 5096 5733 6084 6174 6552 7098 7644 8232 8281 8918 9464 10154 10647 11466 12168 12348 13377 14196 15231 15288 16562 17836 20308 21294 22932 24696 24843 26754 28392 30462 33124 35539 35672 40131 40616 42588 45693 45864 49686 53508 57967 60924 66001 66248 71078 74529 80262 85176 91386 99372 106617 107016 115934 121848 132002 142156 149058 160524 173901 182772 198003 198744 213234 231868 248773 264004 284312 298116 319851 321048 347802 365544 396006 426468 462007 463736 497546 521703 528008 594009 596232 639702 695604 746319 792012 852936 858013 924014 995092 1043406 1188018 1279404 1386021 1391208 1492638 1584024 1716026 1741411 1848028 1990184 2086812 2238957 2376036 2558808 2574039 2772042 2985276 3234049 3432052 3482822 3696056 4158063 4173624 4477914 4752072 5148078 5224233 5544084 5970552 6006091 6468098 6864104 6965644 7722117 8316126 8955828 9702147 10296156 10448466 11088168 12012182 12936196 13931288 15444234 15672699 16632252 17911656 18018273 19404294 20592312 20896932 22638343 24024364 25872392 29106441 30888468 31345398 33264504 36036546 38808588 41793864 42042637 45276686 48048728 54054819 58212882 61776936 62690796 67915029 72073092 77617176 84085274 90553372 108109638 116425764 125381592 126127911 135830058 144146184 168170548 181106744 203745087 216219276 232851528 252255822 271660116 294298459 336341096 378383733 407490174 432438552 504511644 543320232 588596918 756767466 814980348 882895377 1009023288 1177193836 1513534932 1629960696 1765790754 2354387672 2648686131 3027069864 3531581508 5297372262 7063163016 10594744524 21189489048
- Sum of all divisors σ(n): 72483372000
- Sum of proper divisors (its aliquot sum) s(n): 51293882952
- 21189489048 is an abundant number, because the sum of its proper divisors (51293882952) is greater than itself. Its abundance is 30104393904
Bases of 21189489048
- Binary: 100111011101111110111110001100110002
- Hexadecimal: 0x4EEFDF198
- Base-36: 9QFOAE0
Squares and roots of 21189489048
- 21189489048 squared (211894890482) is 448994446115311946304
- 21189489048 cubed (211894890483) is 9513962898573228631312172078592
-
The
square root of 21189489048 is 145566.0985532003 -
The
cube root of 21189489048 is 2767.1975309057
Scales and comparisons
How big is 21189489048?- 21,189,489,048 seconds is equal to 673 years, 39 weeks, 3 days, 17 hours, 10 minutes, 48 seconds.
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To count from 1 to 21,189,489,048 would take you about one thousand, three hundred forty-seven 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 21189489048 cubic inches would be around 230.6 feet tall.
Recreational maths with 21189489048
- 21189489048 backwards is 84098498112
- The number of decimal digits it has is: 11
- The sum of 21189489048's digits is 54
- More coming soon!
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