6400450728
6,400,450,728 is an even composite number composed of four prime numbers multiplied together.
6400450728 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 6400450728:
23 × 32 × 7 × 12699307
(2 × 2 × 2 × 3 × 3 × 7 × 12699307)See below for interesting mathematical facts about the number 6400450728 from the Numbermatics database.
Names of 6400450728
- Cardinal: 6400450728 can be written as Six billion, four hundred million, four hundred fifty thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 6.400450728 × 109
Factors of 6400450728
Divisors of 6400450728
- Number of divisors d(n): 48
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 12699307 25398614 38097921 50797228 76195842 88895149 101594456 114293763 152391684 177790298 228587526 266685447 304783368 355580596 457175052 533370894 711161192 800056341 914350104 1066741788 1600112682 2133483576 3200225364 6400450728
- Sum of all divisors σ(n): 19810920480
- Sum of proper divisors (its aliquot sum) s(n): 13410469752
- 6400450728 is an abundant number, because the sum of its proper divisors (13410469752) is greater than itself. Its abundance is 7010019024
Bases of 6400450728
- Binary: 1011111010111111100100000101010002
- Hexadecimal: 0x17D7F20A8
- Base-36: 2XUNVE0
Squares and roots of 6400450728
- 6400450728 squared (64004507282) is 40965769521555729984
- 6400450728 cubed (64004507283) is 262199389357321583668664228352
-
The
square root of 6400450728 is 80002.8170004031 -
The
cube root of 6400450728 is 1856.6791177147
Scales and comparisons
How big is 6400450728?- 6,400,450,728 seconds is equal to 203 years, 26 weeks, 5 days, 6 hours, 58 minutes, 48 seconds.
-
To count from 1 to 6,400,450,728 would take you about four hundred seven 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 6400450728 cubic inches would be around 154.7 feet tall.
Recreational maths with 6400450728
- 6400450728 backwards is 8270540046
- 6400450728 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 6400450728's digits is 36
- More coming soon!
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The information we have on file for 6400450728 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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