21425161520
21,425,161,520 is an even composite number composed of six prime numbers multiplied together.
21425161520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21425161520:
24 × 5 × 7 × 19 × 421 × 4783
(2 × 2 × 2 × 2 × 5 × 7 × 19 × 421 × 4783)See below for interesting mathematical facts about the number 21425161520 from the Numbermatics database.
Names of 21425161520
- Cardinal: 21425161520 can be written as Twenty-one billion, four hundred twenty-five million, one hundred sixty-one thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.142516152 × 1010
Factors of 21425161520
Divisors of 21425161520
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 266 280 304 380 421 532 560 665 760 842 1064 1330 1520 1684 2105 2128 2660 2947 3368 4210 4783 5320 5894 6736 7999 8420 9566 10640 11788 14735 15998 16840 19132 23576 23915 29470 31996 33481 33680 38264 39995 47152 47830 55993 58940 63992 66962 76528 79990 90877 95660 111986 117880 127984 133924 159980 167405 181754 191320 223972 235760 267848 279965 319960 334810 363508 382640 447944 454385 535696 559930 636139 639920 669620 727016 895888 908770 1119860 1272278 1339240 1454032 1817540 2013643 2239720 2544556 2678480 3180695 3635080 4027286 4479440 5089112 6361390 7270160 8054572 10068215 10178224 12722780 14095501 16109144 20136430 25445560 28191002 32218288 38259217 40272860 50891120 56382004 70477505 76518434 80545720 112764008 140955010 153036868 161091440 191296085 225528016 267814519 281910020 306073736 382592170 535629038 563820040 612147472 765184340 1071258076 1127640080 1339072595 1530368680 2142516152 2678145190 3060737360 4285032304 5356290380 10712580760 21425161520
- Sum of all divisors σ(n): 60080916480
- Sum of proper divisors (its aliquot sum) s(n): 38655754960
- 21425161520 is an abundant number, because the sum of its proper divisors (38655754960) is greater than itself. Its abundance is 17230593440
Bases of 21425161520
- Binary: 100111111010000101000000101001100002
- Hexadecimal: 0x4FD0A0530
- Base-36: 9UBZKFK
Squares and roots of 21425161520
- 21425161520 squared (214251615202) is 459037546158088710400
- 21425161520 cubed (214251615203) is 9834953570181506074808503808000
-
The
square root of 21425161520 is 146373.3634238143 -
The
cube root of 21425161520 is 2777.4187831221
Scales and comparisons
How big is 21425161520?- 21,425,161,520 seconds is equal to 681 years, 13 weeks, 1 day, 9 hours, 45 minutes, 20 seconds.
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To count from 1 to 21,425,161,520 would take you about one thousand, three hundred sixty-two 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 21425161520 cubic inches would be around 231.5 feet tall.
Recreational maths with 21425161520
- 21425161520 backwards is 02516152412
- The number of decimal digits it has is: 11
- The sum of 21425161520's digits is 29
- More coming soon!
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The information we have on file for 21425161520 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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