21355121664
21,355,121,664 is an even composite number composed of three prime numbers multiplied together.
21355121664 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighty-eight divisors.
Prime factorization of 21355121664:
210 × 33 × 772393
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 772393)See below for interesting mathematical facts about the number 21355121664 from the Numbermatics database.
Names of 21355121664
- Cardinal: 21355121664 can be written as Twenty-one billion, three hundred fifty-five million, one hundred twenty-one thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 2.1355121664 × 1010
Factors of 21355121664
Divisors of 21355121664
- Number of divisors d(n): 88
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1536 1728 2304 3072 3456 4608 6912 9216 13824 27648 772393 1544786 2317179 3089572 4634358 6179144 6951537 9268716 12358288 13903074 18537432 20854611 24716576 27806148 37074864 41709222 49433152 55612296 74149728 83418444 98866304 111224592 148299456 166836888 197732608 222449184 296598912 333673776 395465216 444898368 593197824 667347552 790930432 889796736 1186395648 1334695104 1779593472 2372791296 2669390208 3559186944 5338780416 7118373888 10677560832 21355121664
- Sum of all divisors σ(n): 63243620720
- Sum of proper divisors (its aliquot sum) s(n): 41888499056
- 21355121664 is an abundant number, because the sum of its proper divisors (41888499056) is greater than itself. Its abundance is 20533377392
Bases of 21355121664
- Binary: 100111110001101110101001100000000002
- Hexadecimal: 0x4F8DD4C00
- Base-36: 9T6ADC0
Squares and roots of 21355121664
- 21355121664 squared (213551216642) is 456041221284242128896
- 21355121664 cubed (213551216643) is 9738815764324136988608450002944
-
The
square root of 21355121664 is 146133.9168844797 -
The
cube root of 21355121664 is 2774.3889751839
Scales and comparisons
How big is 21355121664?- 21,355,121,664 seconds is equal to 679 years, 1 week, 2 days, 18 hours, 14 minutes, 24 seconds.
-
To count from 1 to 21,355,121,664 would take you about one thousand, three hundred fifty-eight 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 21355121664 cubic inches would be around 231.2 feet tall.
Recreational maths with 21355121664
- 21355121664 backwards is 46612155312
- 21355121664 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21355121664's digits is 36
- More coming soon!
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The information we have on file for 21355121664 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!
Keywords: Divisors of 21355121664, math, Factors of 21355121664, curriculum, school, college, exams, university, Prime factorization of 21355121664, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, three hundred fifty-five million, one hundred twenty-one thousand, six hundred sixty-four.