188428890
188,428,890 is an even composite number composed of seven prime numbers multiplied together.
188428890 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 188428890:
2 × 3 × 5 × 13 × 19 × 59 × 431
See below for interesting mathematical facts about the number 188428890 from the Numbermatics database.
Names of 188428890
- Cardinal: 188428890 can be written as One hundred eighty-eight million, four hundred twenty-eight thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 1.8842889 × 108
Factors of 188428890
Divisors of 188428890
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 13 15 19 26 30 38 39 57 59 65 78 95 114 118 130 177 190 195 247 285 295 354 390 431 494 570 590 741 767 862 885 1121 1235 1293 1482 1534 1770 2155 2242 2301 2470 2586 3363 3705 3835 4310 4602 5603 5605 6465 6726 7410 7670 8189 11206 11210 11505 12930 14573 16378 16809 16815 23010 24567 25429 28015 29146 33618 33630 40945 43719 49134 50858 56030 72865 76287 81890 84045 87438 106457 122835 127145 145730 152574 168090 212914 218595 245670 254290 319371 330577 381435 437190 483151 532285 638742 661154 762870 966302 991731 1064570 1449453 1596855 1652885 1983462 2415755 2898906 3193710 3305770 4831510 4958655 6280963 7247265 9917310 12561926 14494530 18842889 31404815 37685778 62809630 94214445 188428890
- Sum of all divisors σ(n): 522547200
- Sum of proper divisors (its aliquot sum) s(n): 334118310
- 188428890 is an abundant number, because the sum of its proper divisors (334118310) is greater than itself. Its abundance is 145689420
Bases of 188428890
- Binary: 10110011101100110010010110102
- Hexadecimal: 0xB3B325A
- Base-36: 346ONU
Squares and roots of 188428890
- 188428890 squared (1884288902) is 35505446586632100
- 188428890 cubed (1884288903) is 6690251889273375441369000
-
The
square root of 188428890 is 13726.9403000085 -
The
cube root of 188428890 is 573.3007324021
Scales and comparisons
How big is 188428890?- 188,428,890 seconds is equal to 5 years, 51 weeks, 3 days, 21 hours, 21 minutes, 30 seconds.
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To count from 1 to 188,428,890 would take you about eight 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 188428890 cubic inches would be around 47.8 feet tall.
Recreational maths with 188428890
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The information we have on file for 188428890 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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