21398300
21,398,300 is an even composite number composed of five prime numbers multiplied together.
21398300 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 21398300:
22 × 52 × 72 × 11 × 397
(2 × 2 × 5 × 5 × 7 × 7 × 11 × 397)See below for interesting mathematical facts about the number 21398300 from the Numbermatics database.
Names of 21398300
- Cardinal: 21398300 can be written as Twenty-one million, three hundred ninety-eight thousand, three hundred.
Scientific notation
- Scientific notation: 2.13983 × 107
Factors of 21398300
Divisors of 21398300
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 25 28 35 44 49 50 55 70 77 98 100 110 140 154 175 196 220 245 275 308 350 385 397 490 539 550 700 770 794 980 1078 1100 1225 1540 1588 1925 1985 2156 2450 2695 2779 3850 3970 4367 4900 5390 5558 7700 7940 8734 9925 10780 11116 13475 13895 17468 19453 19850 21835 26950 27790 30569 38906 39700 43670 53900 55580 61138 69475 77812 87340 97265 109175 122276 138950 152845 194530 213983 218350 277900 305690 389060 427966 436700 486325 611380 764225 855932 972650 1069915 1528450 1945300 2139830 3056900 4279660 5349575 10699150 21398300
- Sum of all divisors σ(n): 59074344
- Sum of proper divisors (its aliquot sum) s(n): 37676044
- 21398300 is an abundant number, because the sum of its proper divisors (37676044) is greater than itself. Its abundance is 16277744
Bases of 21398300
- Binary: 10100011010000011000111002
- Hexadecimal: 0x146831C
- Base-36: CQN18
Squares and roots of 21398300
- 21398300 squared (213983002) is 457887242890000
- 21398300 cubed (213983003) is 9798008589533087000000
-
The
square root of 21398300 is 4625.8296553157 -
The
cube root of 21398300 is 277.6257580043
Scales and comparisons
How big is 21398300?- 21,398,300 seconds is equal to 35 weeks, 2 days, 15 hours, 58 minutes, 20 seconds.
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To count from 1 to 21,398,300 would take you about eleven hours!
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 21398300 cubic inches would be around 23.1 feet tall.
Recreational maths with 21398300
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The information we have on file for 21398300 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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