688045888 is an even 9-digits composite number following 688045887
and preceding 688045889 . In scientific notation, it is written as 6.88045888 × 10^8.
The sum of its digits is 55. It has a total of 7 prime factors and 14 positive divisors.
There are 344022912 positive integers (up to 688045888) that are relatively prime to 688045888.
688045888 has 14 divisors, whose sum is 1365341186
The reverse of 688045888 is 888540886
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred eighty-eight million forty-five thousand eight hundred eighty-eight
Scientific notation
6.88045888 × 10^8
Engineering notation
6.88045888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 10750717
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
21501434
Product of the distinct prime numbers
The prime factorization of 688045888 is 2 × 2 × 2 × 2 × 2 × 2 × 10750717.
Since it has a total of 7 prime factors.
8 , 7 , 67 , 83 , 66 , 6 , 7762 , 2970 , 39450 , 62603 , 478181 , 806289 , 6791743 , 3653105 , 48402319 , 90656046 , 852744899 , 875911574 , 6193984607 , 3306007725
n×2
1376091776
n×3
2064137664
n×4
2752183552
n×5
3440229440
n÷2
344022944
n÷3
229348629.33333
n÷3
172011472
n÷5
137609177.6
n2
473407143993708544
n3
3.257258387747E+26
n4
2.2411432398428E+35
n5
1.5420093905928E+44
2 √n
26230.628814422
3 √n
882.82061897647
4 √n
161.95872565077
5 √n
58.549539109437
1 , 2 , 4 , 8 , 16 , 32 , 64 , 10750717 , 21501434 , 43002868 , 86005736 , 172011472 , 344022944 , 688045888
14 divisors
τ
Total Divisors
14
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-688045887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.071428571428571
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
14
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 688045888 can be divided by 14 positive divisors.
The sum of these divisors (counting 688045888) is 1, the average is 0.071428571428571.
Base
System
Value
2
Binary
101001000000101011111101000000
3
Ternary
1202221200100112001
4
Quaternary
221000223331000
5
Quinary
2402114432023
6
Senary
152135113344
8
Octal
5100537500
10
Decimal
688045888
12
Duodecimal
172512854
16
Hexadecimal
2902bf40
20
Vigesimal
af05ee8
36
Base36
bdn7ls
md5
8efc754f779088af609a208d251fc7a0
sha1
abde355f2cc612b496375aa81f3247198e4ba033
sha256
f7d8102d4cbfd6594382d6ef328cc27fbd68f25d1578ae21f071bc75a7b3d82c
sha512
d8d849cd3df692dbc139cd7b88fda0679bb605098dcef27471a881cc19a099407edab2e540e76c8a78a5917aaed870ba744cdae45fd7c13a603a6a0c00a7dc6d
ripemd-160
4acd819e7b0243f0b8b360bb9153ce2b72ad63a8
Diameter
1376091776
Circumference
4323119814.1469
Area
1.4872524057276E+18
Volume
1.3643972029053E+27
Surface area
5.9490096229102E+18
Circumference
4323119814.1469
Perimeter
2752183552
Area
473407143993708544
Diagonal
973043826.34464
Surface area
2840442863962251264
Volume
3.257258387747E+26
Space diagonal
1191730435.9548
Perimeter
2064137664
Area
2.0499130651579E+17
Altitude
595865217.97742
Surface area
2.0499130651579E+17
Volume
3.838715823421E+25
Height
324347942.11488