128338749
128,338,749 is an odd composite number composed of four prime numbers multiplied together.
128338749 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 128338749:
35 × 7 × 11 × 193
(3 × 3 × 3 × 3 × 3 × 7 × 11 × 19 × 19 × 19)See below for interesting mathematical facts about the number 128338749 from the Numbermatics database.
Names of 128338749
- Cardinal: 128338749 can be written as One hundred twenty-eight million, three hundred thirty-eight thousand, seven hundred forty-nine.
Scientific notation
- Scientific notation: 1.28338749 × 108
Factors of 128338749
Divisors of 128338749
- Number of divisors d(n): 96
-
Complete list of divisors:
1 3 7 9 11 19 21 27 33 57 63 77 81 99 133 171 189 209 231 243 297 361 399 513 567 627 693 891 1083 1197 1463 1539 1701 1881 2079 2527 2673 3249 3591 3971 4389 4617 5643 6237 6859 7581 9747 10773 11913 13167 16929 18711 20577 22743 27797 29241 32319 35739 39501 48013 50787 61731 68229 75449 83391 87723 107217 118503 144039 185193 204687 226347 250173 321651 355509 432117 528143 555579 614061 679041 750519 964953 1296351 1584429 1666737 2037123 2251557 3889053 4753287 6111369 6754671 11667159 14259861 18334107 42779583 128338749
- Sum of all divisors σ(n): 252994560
- Sum of proper divisors (its aliquot sum) s(n): 124655811
- 128338749 is a deficient number, because the sum of its proper divisors (124655811) is less than itself. Its deficiency is 3682938
Bases of 128338749
- Binary: 1111010011001001011001111012
- Hexadecimal: 0x7A64B3D
- Base-36: 24EQT9
Squares and roots of 128338749
- 128338749 squared (1283387492) is 16470834494885001
- 128338749 cubed (1283387493) is 2113846294059587927203749
-
The
square root of 128338749 is 11328.6693393355 -
The
cube root of 128338749 is 504.4126085471
Scales and comparisons
How big is 128338749?- 128,338,749 seconds is equal to 4 years, 4 weeks, 1 day, 9 hours, 39 minutes, 9 seconds.
-
To count from 1 to 128,338,749 would take you about six 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 128338749 cubic inches would be around 42 feet tall.
Recreational maths with 128338749
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The information we have on file for 128338749 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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