688889243 is an odd 9-digits composite number following 688889242
and preceding 688889244 . In scientific notation, it is written as 6.88889243 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 574269696 positive integers (up to 688889243) that are relatively prime to 688889243.
688889243 has 8 divisors, whose sum is 787493088
The reverse of 688889243 is 342988886
Previous prime number is 5293
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred eighty-eight million eight hundred eighty-nine thousand two hundred forty-three
Scientific notation
6.88889243 × 10^8
Engineering notation
6.88889243 × 10^6
Prime Factorization
7 × 5293 × 18593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
688889243
Product of the distinct prime numbers
The prime factorization of 688889243 is 7 × 5293 × 18593.
Since it has a total of 3 prime factors.
2 , 8 , 65 , 73 , 228 , 993 , 6416 , 7041 , 10296 , 59372 , 177306 , 643558 , 4024803 , 2531109 , 17643246 , 65452455 , 461126411 , 375680560 , 5405150977 , 8339117172
n×2
1377778486
n×3
2066667729
n×4
2755556972
n×5
3444446215
n÷2
344444621.5
n÷3
229629747.66667
n÷3
172222310.75
n÷5
137777848.6
n2
474568389121113049
n3
3.2692505833337E+26
n4
2.2521515595301E+35
n5
1.5514829829659E+44
2 √n
26246.699659195
3 √n
883.18117011909
4 √n
162.0083320672
5 √n
58.563885203395
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-688889242
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 688889243 can be divided by 8 positive divisors.
The sum of these divisors (counting 688889243) is 1, the average is 0.125.
Base
System
Value
2
Binary
101001000011111001110110011011
3
Ternary
1210000021012101102
4
Quaternary
221003321312123
5
Quinary
2402323423433
6
Senary
152205142015
8
Octal
5103716633
10
Decimal
688889243
12
Duodecimal
17285a90b
16
Hexadecimal
290f9d9b
20
Vigesimal
af5b323
36
Base36
be5acb
md5
b0618eaeb4b7186d6dc1e5bdd6359673
sha1
cb8b9fa4814fed9bf838d4b9b98575482786e234
sha256
fd4f8c6bc6a25fd9196fa0692de6c8d23d53ee1c03674b513efe6d2f716d50b8
sha512
766fe695444c782f76e2292e27b63f38c497bc14ae7af252663d90a8084810eec70177c344b496da6183334b2724debe3bbedb650c7b87b3d4aeef5e74d55560
ripemd-160
e1acc95ecfedfc7fd33fbac85b8b240f76b817d3
Diameter
1377778486
Circumference
4328418769.8917
Area
1.4909005648888E+18
Volume
1.3694204820461E+27
Surface area
5.9636022595553E+18
Circumference
4328418769.8917
Perimeter
2755556972
Area
474568389121113049
Diagonal
974236510.42353
Surface area
2847410334726678294
Volume
3.2692505833337E+26
Space diagonal
1193191169.6637
Perimeter
2066667729
Area
2.0549414040597E+17
Altitude
596595584.83183
Surface area
2.0549414040597E+17
Volume
3.8528487614556E+25
Height
324745503.47451