128438000
128,438,000 is an even composite number composed of four prime numbers multiplied together.
128438000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 128438000:
24 × 53 × 149 × 431
(2 × 2 × 2 × 2 × 5 × 5 × 5 × 149 × 431)See below for interesting mathematical facts about the number 128438000 from the Numbermatics database.
Names of 128438000
- Cardinal: 128438000 can be written as One hundred twenty-eight million, four hundred thirty-eight thousand.
Scientific notation
- Scientific notation: 1.28438 × 108
Factors of 128438000
Divisors of 128438000
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 40 50 80 100 125 149 200 250 298 400 431 500 596 745 862 1000 1192 1490 1724 2000 2155 2384 2980 3448 3725 4310 5960 6896 7450 8620 10775 11920 14900 17240 18625 21550 29800 34480 37250 43100 53875 59600 64219 74500 86200 107750 128438 149000 172400 215500 256876 298000 321095 431000 513752 642190 862000 1027504 1284380 1605475 2568760 3210950 5137520 6421900 8027375 12843800 16054750 25687600 32109500 64219000 128438000
- Sum of all divisors σ(n): 313372800
- Sum of proper divisors (its aliquot sum) s(n): 184934800
- 128438000 is an abundant number, because the sum of its proper divisors (184934800) is greater than itself. Its abundance is 56496800
Bases of 128438000
- Binary: 1111010011111001110111100002
- Hexadecimal: 0x7A7CEF0
- Base-36: 24GVE8
Squares and roots of 128438000
- 128438000 squared (1284380002) is 16496319844000000
- 128438000 cubed (1284380003) is 2118754328123672000000000
-
The
square root of 128438000 is 11333.0490160415 -
The
cube root of 128438000 is 504.5426045049
Scales and comparisons
How big is 128438000?- 128,438,000 seconds is equal to 4 years, 4 weeks, 2 days, 13 hours, 13 minutes, 20 seconds.
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To count from 1 to 128,438,000 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 128438000 cubic inches would be around 42 feet tall.
Recreational maths with 128438000
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The information we have on file for 128438000 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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