21398496084
21,398,496,084 is an even composite number composed of six prime numbers multiplied together.
21398496084 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 21398496084:
22 × 34 × 7 × 19 × 37 × 13421
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 19 × 37 × 13421)See below for interesting mathematical facts about the number 21398496084 from the Numbermatics database.
Names of 21398496084
- Cardinal: 21398496084 can be written as Twenty-one billion, three hundred ninety-eight million, four hundred ninety-six thousand and eighty-four.
Scientific notation
- Scientific notation: 2.1398496084 × 1010
Factors of 21398496084
Divisors of 21398496084
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 37 38 42 54 57 63 74 76 81 84 108 111 114 126 133 148 162 171 189 222 228 252 259 266 324 333 342 378 399 444 513 518 532 567 666 684 703 756 777 798 999 1026 1036 1134 1197 1332 1406 1539 1554 1596 1998 2052 2109 2268 2331 2394 2812 2997 3078 3108 3591 3996 4218 4662 4788 4921 5994 6156 6327 6993 7182 8436 9324 9842 10773 11988 12654 13421 13986 14364 14763 18981 19684 20979 21546 25308 26842 27972 29526 37962 40263 41958 43092 44289 53684 56943 59052 75924 80526 83916 88578 93947 113886 120789 132867 161052 177156 187894 227772 241578 254999 265734 281841 362367 375788 398601 483156 496577 509998 531468 563682 724734 764997 797202 845523 993154 1019996 1087101 1127364 1449468 1489731 1529994 1594404 1691046 1784993 1986308 2174202 2294991 2536569 2979462 3059988 3382092 3476039 3569986 4348404 4469193 4589982 5073138 5354979 5958924 6884973 6952078 7139972 7609707 8938386 9179964 9434963 10146276 10428117 10709958 13407579 13769946 13904156 15219414 16064937 17876772 18869926 20654919 20856234 21419916 26815158 27539892 28304889 30438828 31284351 32129874 37739852 40222737 41309838 41712468 48194811 53630316 56609778 62568702 64259748 66044741 80445474 82619676 84914667 93853053 96389622 113219556 125137404 132089482 144584433 160890948 169829334 187706106 192779244 198134223 254744001 264178964 281559159 289168866 339658668 375412212 396268446 509488002 563118318 578337732 594402669 764232003 792536892 1018976004 1126236636 1188805338 1528464006 1783208007 2377610676 3056928012 3566416014 5349624021 7132832028 10699248042 21398496084
- Sum of all divisors σ(n): 69120078720
- Sum of proper divisors (its aliquot sum) s(n): 47721582636
- 21398496084 is an abundant number, because the sum of its proper divisors (47721582636) is greater than itself. Its abundance is 26323086552
Bases of 21398496084
- Binary: 100111110110111001100100011010101002
- Hexadecimal: 0x4FB732354
- Base-36: 9TW4190
Squares and roots of 21398496084
- 21398496084 squared (213984960842) is 457895634656963335056
- 21398496084 cubed (213984960843) is 9798277945087724608527395920704
-
The
square root of 21398496084 is 146282.2480138995 -
The
cube root of 21398496084 is 2776.2660601255
Scales and comparisons
How big is 21398496084?- 21,398,496,084 seconds is equal to 680 years, 21 weeks, 18 hours, 41 minutes, 24 seconds.
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To count from 1 to 21,398,496,084 would take you about one thousand, three hundred sixty 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 21398496084 cubic inches would be around 231.4 feet tall.
Recreational maths with 21398496084
- 21398496084 backwards is 48069489312
- 21398496084 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21398496084's digits is 54
- More coming soon!
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