198138990
198,138,990 is an even composite number composed of seven prime numbers multiplied together.
198138990 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 198138990:
2 × 3 × 5 × 7 × 71 × 97 × 137
See below for interesting mathematical facts about the number 198138990 from the Numbermatics database.
Names of 198138990
- Cardinal: 198138990 can be written as One hundred ninety-eight million, one hundred thirty-eight thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.9813899 × 108
Factors of 198138990
Divisors of 198138990
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 10 14 15 21 30 35 42 70 71 97 105 137 142 194 210 213 274 291 355 411 426 485 497 582 679 685 710 822 959 970 994 1065 1358 1370 1455 1491 1918 2037 2055 2130 2485 2877 2910 2982 3395 4074 4110 4795 4970 5754 6790 6887 7455 9590 9727 10185 13289 13774 14385 14910 19454 20370 20661 26578 28770 29181 34435 39867 41322 48209 48635 58362 66445 68089 68870 79734 93023 96418 97270 103305 132890 136178 144627 145905 186046 199335 204267 206610 241045 279069 289254 291810 340445 398670 408534 465115 482090 558138 680890 723135 930230 943519 1021335 1395345 1446270 1887038 2042670 2790690 2830557 4717595 5661114 6604633 9435190 13209266 14152785 19813899 28305570 33023165 39627798 66046330 99069495 198138990
- Sum of all divisors σ(n): 560867328
- Sum of proper divisors (its aliquot sum) s(n): 362728338
- 198138990 is an abundant number, because the sum of its proper divisors (362728338) is greater than itself. Its abundance is 164589348
Bases of 198138990
- Binary: 10111100111101011100011011102
- Hexadecimal: 0xBCF5C6E
- Base-36: 39YT0U
Squares and roots of 198138990
- 198138990 squared (1981389902) is 39259059358220100
- 198138990 cubed (1981389903) is 7778750369587778811699000
-
The
square root of 198138990 is 14076.1852076477 -
The
cube root of 198138990 is 582.9840168929
Scales and comparisons
How big is 198138990?- 198,138,990 seconds is equal to 6 years, 15 weeks, 4 days, 6 hours, 36 minutes, 30 seconds.
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To count from 1 to 198,138,990 would take you about nine 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 198138990 cubic inches would be around 48.6 feet tall.
Recreational maths with 198138990
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The information we have on file for 198138990 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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