1388131485
1,388,131,485 is an odd composite number composed of six prime numbers multiplied together.
1388131485 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 1388131485:
3 × 5 × 13 × 31 × 277 × 829
See below for interesting mathematical facts about the number 1388131485 from the Numbermatics database.
Names of 1388131485
- Cardinal: 1388131485 can be written as One billion, three hundred eighty-eight million, one hundred thirty-one thousand, four hundred eighty-five.
Scientific notation
- Scientific notation: 1.388131485 × 109
Factors of 1388131485
Divisors of 1388131485
- Number of divisors d(n): 64
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Complete list of divisors:
1 3 5 13 15 31 39 65 93 155 195 277 403 465 829 831 1209 1385 2015 2487 3601 4145 4155 6045 8587 10777 10803 12435 18005 25699 25761 32331 42935 53885 54015 77097 111631 128495 128805 161655 229633 334087 334893 385485 558155 688899 1002261 1148165 1670435 1674465 2985229 3444495 5011305 7118623 8955687 14926145 21355869 35593115 44778435 92542099 106779345 277626297 462710495 1388131485
- Sum of all divisors σ(n): 2480916480
- Sum of proper divisors (its aliquot sum) s(n): 1092784995
- 1388131485 is a deficient number, because the sum of its proper divisors (1092784995) is less than itself. Its deficiency is 295346490
Bases of 1388131485
- Binary: 10100101011110100110100100111012
- Hexadecimal: 0x52BD349D
- Base-36: MYGH3X
Squares and roots of 1388131485
- 1388131485 squared (13881314852) is 1926909019648305225
- 1388131485 cubed (13881314853) is 2674803078904296109712509125
-
The
square root of 1388131485 is 37257.6365997631 -
The
cube root of 1388131485 is 1115.5187341445
Scales and comparisons
How big is 1388131485?- 1,388,131,485 seconds is equal to 44 years, 7 weeks, 1 day, 8 hours, 4 minutes, 45 seconds.
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To count from 1 to 1,388,131,485 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 1388131485 cubic inches would be around 93 feet tall.
Recreational maths with 1388131485
- 1388131485 backwards is 5841318831
- The number of decimal digits it has is: 10
- The sum of 1388131485's digits is 42
- More coming soon!
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The information we have on file for 1388131485 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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