21011421024
21,011,421,024 is an even composite number composed of four prime numbers multiplied together.
21011421024 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21011421024:
25 × 32 × 11 × 6632393
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 11 × 6632393)See below for interesting mathematical facts about the number 21011421024 from the Numbermatics database.
Names of 21011421024
- Cardinal: 21011421024 can be written as Twenty-one billion, eleven million, four hundred twenty-one thousand and twenty-four.
Scientific notation
- Scientific notation: 2.1011421024 × 1010
Factors of 21011421024
Divisors of 21011421024
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 6632393 13264786 19897179 26529572 39794358 53059144 59691537 72956323 79588716 106118288 119383074 145912646 159177432 212236576 218868969 238766148 291825292 318354864 437737938 477532296 583650584 636709728 656606907 875475876 955064592 1167301168 1313213814 1750951752 1910129184 2334602336 2626427628 3501903504 5252855256 7003807008 10505710512 21011421024
- Sum of all divisors σ(n): 65183168232
- Sum of proper divisors (its aliquot sum) s(n): 44171747208
- 21011421024 is an abundant number, because the sum of its proper divisors (44171747208) is greater than itself. Its abundance is 23160326184
Bases of 21011421024
- Binary: 100111001000110000011010111011000002
- Hexadecimal: 0x4E460D760
- Base-36: 9NHNO80
Squares and roots of 21011421024
- 21011421024 squared (210114210242) is 441479813447789208576
- 21011421024 cubed (210114210243) is 9276118233948476103394087501824
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The
square root of 21011421024 is 144953.1683820675 -
The
cube root of 21011421024 is 2759.4242403283
Scales and comparisons
How big is 21011421024?- 21,011,421,024 seconds is equal to 668 years, 5 weeks, 17 hours, 50 minutes, 24 seconds.
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To count from 1 to 21,011,421,024 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 21011421024 cubic inches would be around 230 feet tall.
Recreational maths with 21011421024
- 21011421024 backwards is 42012411012
- 21011421024 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21011421024's digits is 18
- More coming soon!
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The information we have on file for 21011421024 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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