8138900
8,138,900 is an even composite number composed of five prime numbers multiplied together.
8138900 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 8138900:
22 × 52 × 72 × 11 × 151
(2 × 2 × 5 × 5 × 7 × 7 × 11 × 151)See below for interesting mathematical facts about the number 8138900 from the Numbermatics database.
Names of 8138900
- Cardinal: 8138900 can be written as Eight million, one hundred thirty-eight thousand, nine hundred.
Scientific notation
- Scientific notation: 8.1389 × 106
Factors of 8138900
Divisors of 8138900
- 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 98 100 110 140 151 154 175 196 220 245 275 302 308 350 385 490 539 550 604 700 755 770 980 1057 1078 1100 1225 1510 1540 1661 1925 2114 2156 2450 2695 3020 3322 3775 3850 4228 4900 5285 5390 6644 7399 7550 7700 8305 10570 10780 11627 13475 14798 15100 16610 21140 23254 26425 26950 29596 33220 36995 41525 46508 52850 53900 58135 73990 81389 83050 105700 116270 147980 162778 166100 184975 232540 290675 325556 369950 406945 581350 739900 813890 1162700 1627780 2034725 4069450 8138900
- Sum of all divisors σ(n): 22561056
- Sum of proper divisors (its aliquot sum) s(n): 14422156
- 8138900 is an abundant number, because the sum of its proper divisors (14422156) is greater than itself. Its abundance is 6283256
Bases of 8138900
- Binary: 111110000110000100101002
- Hexadecimal: 0x7C3094
- Base-36: 4UG0K
Squares and roots of 8138900
- 8138900 squared (81389002) is 66241693210000
- 8138900 cubed (81389003) is 539134516866869000000
-
The
square root of 8138900 is 2852.8757421241 -
The
cube root of 8138900 is 201.1508648479
Scales and comparisons
How big is 8138900?- 8,138,900 seconds is equal to 13 weeks, 3 days, 4 hours, 48 minutes, 20 seconds.
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To count from 1 to 8,138,900 would take you about twenty weeks!
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 8138900 cubic inches would be around 16.8 feet tall.
Recreational maths with 8138900
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The information we have on file for 8138900 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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