1388540730
1,388,540,730 is an even composite number composed of five prime numbers multiplied together.
What does the number 1388540730 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.
1388540730 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.
Prime factorization of 1388540730:
2 × 3 × 5 × 1187 × 38993
See below for interesting mathematical facts about the number 1388540730 from the Numbermatics database.
Names of 1388540730
- Cardinal: 1388540730 can be written as One billion, three hundred eighty-eight million, five hundred forty thousand, seven hundred thirty.
Scientific notation
- Scientific notation: 1.38854073 × 109
Factors of 1388540730
Divisors of 1388540730
- Number of divisors d(n): 32
- Complete list of divisors:
- Sum of all divisors σ(n): 3335390784
- Sum of proper divisors (its aliquot sum) s(n): 1946850054
- 1388540730 is an abundant number, because the sum of its proper divisors (1946850054) is greater than itself. Its abundance is 558309324
Bases of 1388540730
- Binary: 10100101100001101110011001110102
- Hexadecimal: 0x52C3733A
- Base-36: MYP8VU
Squares and roots of 1388540730
- 1388540730 squared (13885407302) is 1928045358868932900
- 1388540730 cubed (13885407303) is 2677169510076980063287017000
-
The
square root of 1388540730 is 37263.1282905771 -
The
cube root of 1388540730 is 1115.6283480665
Scales and comparisons
How big is 1388540730?- 1,388,540,730 seconds is equal to 44 years, 7 weeks, 6 days, 1 hour, 45 minutes, 30 seconds.
-
To count from 1 to 1,388,540,730 would take you about eighty-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 1388540730 cubic inches would be around 93 feet tall.
Recreational maths with 1388540730
- 1388540730 backwards is 0370458831
- The number of decimal digits it has is: 10
- The sum of 1388540730's digits is 39
- More coming soon!
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The information we have on file for 1388540730 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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