21490791200
21,490,791,200 is an even composite number composed of four prime numbers multiplied together.
21490791200 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 21490791200:
25 × 52 × 712 × 732
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 71 × 71 × 73 × 73)See below for interesting mathematical facts about the number 21490791200 from the Numbermatics database.
Names of 21490791200
- Cardinal: 21490791200 can be written as Twenty-one billion, four hundred ninety million, seven hundred ninety-one thousand, two hundred.
Scientific notation
- Scientific notation: 2.14907912 × 1010
Factors of 21490791200
Divisors of 21490791200
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 71 73 80 100 142 146 160 200 284 292 355 365 400 568 584 710 730 800 1136 1168 1420 1460 1775 1825 2272 2336 2840 2920 3550 3650 5041 5183 5329 5680 5840 7100 7300 10082 10366 10658 11360 11680 14200 14600 20164 20732 21316 25205 25915 26645 28400 29200 40328 41464 42632 50410 51830 53290 56800 58400 80656 82928 85264 100820 103660 106580 126025 129575 133225 161312 165856 170528 201640 207320 213160 252050 259150 266450 367993 378359 403280 414640 426320 504100 518300 532900 735986 756718 806560 829280 852640 1008200 1036600 1065800 1471972 1513436 1839965 1891795 2016400 2073200 2131600 2943944 3026872 3679930 3783590 4032800 4146400 4263200 5887888 6053744 7359860 7567180 9199825 9458975 11775776 12107488 14719720 15134360 18399650 18917950 26863489 29439440 30268720 36799300 37835900 53726978 58878880 60537440 73598600 75671800 107453956 134317445 147197200 151343600 214907912 268634890 294394400 302687200 429815824 537269780 671587225 859631648 1074539560 1343174450 2149079120 2686348900 4298158240 5372697800 10745395600 21490791200
- Sum of all divisors σ(n): 53952677667
- Sum of proper divisors (its aliquot sum) s(n): 32461886467
- 21490791200 is an abundant number, because the sum of its proper divisors (32461886467) is greater than itself. Its abundance is 10971095267
Bases of 21490791200
- Binary: 101000000001111001101110011001000002
- Hexadecimal: 0x500F37320
- Base-36: 9VF28M8
Squares and roots of 21490791200
- 21490791200 squared (214907912002) is 461854106401997440000
- 21490791200 cubed (214907912003) is 9925610165547910245974528000000
-
The
square root of 21490791200 is 146597.3778755951 -
The
cube root of 21490791200 is 2780.2518275057
Scales and comparisons
How big is 21490791200?- 21,490,791,200 seconds is equal to 683 years, 17 weeks, 5 days, 13 minutes, 20 seconds.
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To count from 1 to 21,490,791,200 would take you about one thousand, three hundred sixty-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 21490791200 cubic inches would be around 231.7 feet tall.
Recreational maths with 21490791200
- 21490791200 backwards is 00219709412
- The number of decimal digits it has is: 11
- The sum of 21490791200's digits is 35
- More coming soon!
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The information we have on file for 21490791200 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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