21030800
21,030,800 is an even composite number composed of five prime numbers multiplied together.
21030800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21030800:
24 × 52 × 72 × 29 × 37
(2 × 2 × 2 × 2 × 5 × 5 × 7 × 7 × 29 × 37)See below for interesting mathematical facts about the number 21030800 from the Numbermatics database.
Names of 21030800
- Cardinal: 21030800 can be written as Twenty-one million, thirty thousand, eight hundred.
Scientific notation
- Scientific notation: 2.10308 × 107
Factors of 21030800
Divisors of 21030800
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 29 35 37 40 49 50 56 58 70 74 80 98 100 112 116 140 145 148 175 185 196 200 203 232 245 259 280 290 296 350 370 392 400 406 464 490 518 560 580 592 700 725 740 784 812 925 980 1015 1036 1073 1160 1225 1295 1400 1421 1450 1480 1624 1813 1850 1960 2030 2072 2146 2320 2450 2590 2800 2842 2900 2960 3248 3626 3700 3920 4060 4144 4292 4900 5075 5180 5365 5684 5800 6475 7105 7252 7400 7511 8120 8584 9065 9800 10150 10360 10730 11368 11600 12950 14210 14504 14800 15022 16240 17168 18130 19600 20300 20720 21460 22736 25900 26825 28420 29008 30044 35525 36260 37555 40600 42920 45325 51800 52577 53650 56840 60088 71050 72520 75110 81200 85840 90650 103600 105154 107300 113680 120176 142100 145040 150220 181300 187775 210308 214600 262885 284200 300440 362600 375550 420616 429200 525770 568400 600880 725200 751100 841232 1051540 1314425 1502200 2103080 2628850 3004400 4206160 5257700 10515400 21030800
- Sum of all divisors σ(n): 62445780
- Sum of proper divisors (its aliquot sum) s(n): 41414980
- 21030800 is an abundant number, because the sum of its proper divisors (41414980) is greater than itself. Its abundance is 20384180
Bases of 21030800
- Binary: 10100000011100111100100002
- Hexadecimal: 0x140E790
- Base-36: CIRGW
Squares and roots of 21030800
- 21030800 squared (210308002) is 442294548640000
- 21030800 cubed (210308003) is 9301808193538112000000
-
The
square root of 21030800 is 4585.9350191645 -
The
cube root of 21030800 is 276.0272324877
Scales and comparisons
How big is 21030800?- 21,030,800 seconds is equal to 34 weeks, 5 days, 9 hours, 53 minutes, 20 seconds.
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To count from 1 to 21,030,800 would take you about two 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 21030800 cubic inches would be around 23 feet tall.
Recreational maths with 21030800
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The information we have on file for 21030800 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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