189893990
189,893,990 is an even composite number composed of six prime numbers multiplied together.
189893990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 189893990:
2 × 5 × 11 × 13 × 372 × 97
(2 × 5 × 11 × 13 × 37 × 37 × 97)See below for interesting mathematical facts about the number 189893990 from the Numbermatics database.
Names of 189893990
- Cardinal: 189893990 can be written as One hundred eighty-nine million, eight hundred ninety-three thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.8989399 × 108
Factors of 189893990
Divisors of 189893990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 10 11 13 22 26 37 55 65 74 97 110 130 143 185 194 286 370 407 481 485 715 814 962 970 1067 1261 1369 1430 2035 2134 2405 2522 2738 3589 4070 4810 5291 5335 6305 6845 7178 10582 10670 12610 13690 13871 15059 17797 17945 26455 27742 30118 35594 35890 39479 46657 52910 69355 75295 78958 88985 93314 132793 138710 150590 177970 195767 197395 233285 265586 391534 394790 466570 513227 663965 978835 1026454 1327930 1460723 1726309 1957670 2566135 2921446 3452618 5132270 7303615 8631545 14607230 17263090 18989399 37978798 94946995 189893990
- Sum of all divisors σ(n): 416967264
- Sum of proper divisors (its aliquot sum) s(n): 227073274
- 189893990 is an abundant number, because the sum of its proper divisors (227073274) is greater than itself. Its abundance is 37179284
Bases of 189893990
- Binary: 10110101000110001101011001102
- Hexadecimal: 0xB518D66
- Base-36: 352352
Squares and roots of 189893990
- 189893990 squared (1898939902) is 36059727438120100
- 189893990 cubed (1898939903) is 6847525521537103888199000
-
The
square root of 189893990 is 13780.2028286961 -
The
cube root of 189893990 is 574.7827686035
Scales and comparisons
How big is 189893990?- 189,893,990 seconds is equal to 6 years, 1 week, 6 days, 20 hours, 19 minutes, 50 seconds.
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To count from 1 to 189,893,990 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 189893990 cubic inches would be around 47.9 feet tall.
Recreational maths with 189893990
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