688312 is an even 6-digits composite number following 688311
and preceding 688313 . In scientific notation, it is written as 6.88312 × 10^5.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 340224 positive integers (up to 688312) that are relatively prime to 688312.
688312 has 16 divisors, whose sum is 1305360
The reverse of 688312 is 213886
Previous prime number is 97
Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1
Name
six hundred eighty-eight thousand three hundred twelve
Scientific notation
6.88312 × 10^5
Engineering notation
6.88312 × 10^3
Prime Factorization
2 × 2 × 2 × 97 × 887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
172078
Product of the distinct prime numbers
The prime factorization of 688312 is 2 × 2 × 2 × 97 × 887.
Since it has a total of 5 prime factors.
8 , 6 , 98 , 74 , 247 , 886 , 1096 , 5714 , 89205 , 47274 , 543135 , 229446 , 5021427 , 5534649 , 44491051 , 87615854 , 800923273 , 817779008 , 27621465 , 7350507384
n×2
1376624
n×3
2064936
n×4
2753248
n×5
3441560
n÷2
344156
n÷3
229437.33333333
n÷3
172078
n÷5
137662.4
n2
473773409344
n3
326103922932387328
n4
2.2446124340144E+23
n5
1.5449936736813E+29
2 √n
829.64570751617
3 √n
88.293441898299
4 √n
28.803571089644
5 √n
14.708116738735
1 , 2 , 4 , 8 , 97 , 194 , 388 , 776 , 887 , 1774 , 3548 , 7096 , 86039 , 172078 , 344156 , 688312
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-688311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 688312 can be divided by 16 positive divisors.
The sum of these divisors (counting 688312) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10101000000010111000
3
Ternary
1021222012001
4
Quaternary
2220002320
5
Quinary
134011222
6
Senary
22430344
8
Octal
2500270
10
Decimal
688312
12
Duodecimal
2923b4
16
Hexadecimal
a80b8
20
Vigesimal
460fc
36
Base36
er3s
md5
e828ed2057135fad5c408b63cbb5244d
sha1
193c22323056ae3d07c7f4c50f6145e0d286fb7b
sha256
e84838d614905bd2f07ff4d18422f8e2465ccfb1c62495f8727449addd51bbcd
sha512
b3f80193011801cbf1f9518e3f162a6dd64809bc21d23f91b3a6856ef71dd5da707ec8364f166d15b310123ff56054dc3d075dedbc400f49138361f0be700566
ripemd-160
0ad220489c6a9f3c30ae1836e4a83251fa875e72
Diameter
1376624
Circumference
4324791.8451554
Area
1488403062261.3
Volume
1.3659809181216E+18
Surface area
5953612249045.2
Circumference
4324791.8451554
Perimeter
2753248
Area
473773409344
Diagonal
973420.16554415
Surface area
2842640456064
Volume
326103922932387328
Space diagonal
1192191.3554593
Perimeter
2064936
Area
205149904064.73
Altitude
596095.67772967
Surface area
205149904064.73
Volume
3.8431715879504E+16
Height
324473.38851472