21428431163460
21,428,431,163,460 is an even composite number composed of five prime numbers multiplied together.
21428431163460 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21428431163460:
22 × 32 × 5 × 51407 × 2315771
(2 × 2 × 3 × 3 × 5 × 51407 × 2315771)See below for interesting mathematical facts about the number 21428431163460 from the Numbermatics database.
Names of 21428431163460
- Cardinal: 21428431163460 can be written as Twenty-one trillion, four hundred twenty-eight billion, four hundred thirty-one million, one hundred sixty-three thousand, four hundred sixty.
Scientific notation
- Scientific notation: 2.142843116346 × 1013
Factors of 21428431163460
Divisors of 21428431163460
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 51407 102814 154221 205628 257035 308442 462663 514070 616884 771105 925326 1028140 1542210 1850652 2313315 2315771 3084420 4626630 4631542 6947313 9253260 9263084 11578855 13894626 20841939 23157710 27789252 34736565 41683878 46315420 69473130 83367756 104209695 138946260 208419390 416838780 119046839797 238093679594 357140519391 476187359188 595234198985 714281038782 1071421558173 1190468397970 1428562077564 1785702596955 2142843116346 2380936795940 3571405193910 4285686232692 5357107790865 7142810387820 10714215581730 21428431163460
- Sum of all divisors σ(n): 65000867008896
- Sum of proper divisors (its aliquot sum) s(n): 43572435845436
- 21428431163460 is an abundant number, because the sum of its proper divisors (43572435845436) is greater than itself. Its abundance is 22144004681976
Bases of 21428431163460
- Binary: 1001101111101001100100000011100010000010001002
- Hexadecimal: 0x137D32071044
- Base-36: 7LG32ND50
Squares and roots of 21428431163460
- 21428431163460 squared (214284311634602) is 459177662127143689239171600
- 21428431163460 cubed (214284311634603) is 9839456924689992423249938570794589736000
-
The
square root of 21428431163460 is 4629085.3484743615 -
The
cube root of 21428431163460 is 27775.6006104957
Scales and comparisons
How big is 21428431163460?- 21,428,431,163,460 seconds is equal to 681,357 years, 43 weeks, 13 hours, 51 minutes.
-
To count from 1 to 21,428,431,163,460 would take you about one million, seven hundred three thousand, three hundred ninety-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 21428431163460 cubic inches would be around 2314.6 feet tall.
Recreational maths with 21428431163460
- 21428431163460 backwards is 06436113482412
- 21428431163460 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21428431163460's digits is 45
- More coming soon!
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The information we have on file for 21428431163460 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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