21642029442
21,642,029,442 is an even composite number composed of five prime numbers multiplied together.
21642029442 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21642029442:
2 × 33 × 11 × 313 × 1223
(2 × 3 × 3 × 3 × 11 × 31 × 31 × 31 × 1223)See below for interesting mathematical facts about the number 21642029442 from the Numbermatics database.
Names of 21642029442
- Cardinal: 21642029442 can be written as Twenty-one billion, six hundred forty-two million, twenty-nine thousand, four hundred forty-two.
Scientific notation
- Scientific notation: 2.1642029442 × 1010
Factors of 21642029442
Divisors of 21642029442
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 6 9 11 18 22 27 31 33 54 62 66 93 99 186 198 279 297 341 558 594 682 837 961 1023 1223 1674 1922 2046 2446 2883 3069 3669 5766 6138 7338 8649 9207 10571 11007 13453 17298 18414 21142 22014 25947 26906 29791 31713 33021 37913 40359 51894 59582 63426 66042 75826 80718 89373 95139 113739 121077 178746 190278 227478 242154 268119 285417 327701 341217 363231 417043 536238 570834 655402 682434 726462 804357 834086 983103 1023651 1175303 1251129 1608714 1966206 2047302 2350606 2502258 2949309 3525909 3753387 5898618 7051818 7506774 8847927 10577727 11260161 12928333 17695854 21155454 22520322 25856666 31733181 36434393 38784999 63466362 72868786 77569998 109303179 116354997 218606358 232709994 327909537 349064991 400778323 655819074 698129982 801556646 983728611 1202334969 1967457222 2404669938 3607004907 7214009814 10821014721 21642029442
- Sum of all divisors σ(n): 54258647040
- Sum of proper divisors (its aliquot sum) s(n): 32616617598
- 21642029442 is an abundant number, because the sum of its proper divisors (32616617598) is greater than itself. Its abundance is 10974588156
Bases of 21642029442
- Binary: 101000010011111011100101001100000102
- Hexadecimal: 0x509F72982
- Base-36: 9XX3SSI
Squares and roots of 21642029442
- 21642029442 squared (216420294422) is 468377438368394831364
- 21642029442 cubed (216420294423) is 10136638311137341382660313018888
-
The
square root of 21642029442 is 147112.3021436345 -
The
cube root of 21642029442 is 2786.7584575167
Scales and comparisons
How big is 21642029442?- 21,642,029,442 seconds is equal to 688 years, 7 weeks, 5 days, 10 hours, 50 minutes, 42 seconds.
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To count from 1 to 21,642,029,442 would take you about one thousand, three hundred seventy-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 21642029442 cubic inches would be around 232.2 feet tall.
Recreational maths with 21642029442
- 21642029442 backwards is 24492024612
- The number of decimal digits it has is: 11
- The sum of 21642029442's digits is 36
- More coming soon!
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The information we have on file for 21642029442 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 21642029442, math, Factors of 21642029442, curriculum, school, college, exams, university, Prime factorization of 21642029442, STEM, science, technology, engineering, physics, economics, calculator, twenty-one billion, six hundred forty-two million, twenty-nine thousand, four hundred forty-two.