138128128
138,128,128 is an even composite number composed of three prime numbers multiplied together.
138128128 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-four divisors.
Prime factorization of 138128128:
28 × 172 × 1867
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 17 × 1867)See below for interesting mathematical facts about the number 138128128 from the Numbermatics database.
Names of 138128128
- Cardinal: 138128128 can be written as One hundred thirty-eight million, one hundred twenty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38128128 × 108
Factors of 138128128
Divisors of 138128128
- Number of divisors d(n): 54
-
Complete list of divisors:
1 2 4 8 16 17 32 34 64 68 128 136 256 272 289 544 578 1088 1156 1867 2176 2312 3734 4352 4624 7468 9248 14936 18496 29872 31739 36992 59744 63478 73984 119488 126956 238976 253912 477952 507824 539563 1015648 1079126 2031296 2158252 4062592 4316504 8125184 8633008 17266016 34532032 69064064 138128128
- Sum of all divisors σ(n): 293046236
- Sum of proper divisors (its aliquot sum) s(n): 154918108
- 138128128 is an abundant number, because the sum of its proper divisors (154918108) is greater than itself. Its abundance is 16789980
Bases of 138128128
- Binary: 10000011101110101011000000002
- Hexadecimal: 0x83BAB00
- Base-36: 2A8KCG
Squares and roots of 138128128
- 138128128 squared (1381281282) is 19079379744784384
- 138128128 cubed (1381281283) is 2635399007548184725553152
-
The
square root of 138128128 is 11752.7923490547 -
The
cube root of 138128128 is 516.9248082681
Scales and comparisons
How big is 138128128?- 138,128,128 seconds is equal to 4 years, 20 weeks, 2 days, 16 hours, 55 minutes, 28 seconds.
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To count from 1 to 138,128,128 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 138128128 cubic inches would be around 43.1 feet tall.
Recreational maths with 138128128
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