685388618 is an even 9-digits composite number following 685388617
and preceding 685388619 . In scientific notation, it is written as 6.85388618 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 339661504 positive integers (up to 685388618) that are relatively prime to 685388618.
685388618 has 8 divisors, whose sum is 1037181348
The reverse of 685388618 is 816883586
Previous prime number is 113
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred eighty-five million three hundred eighty-eight thousand six hundred eighteen
Scientific notation
6.85388618 × 10^8
Engineering notation
6.85388618 × 10^6
Prime Factorization
2 × 113 × 3032693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
685388618
Product of the distinct prime numbers
The prime factorization of 685388618 is 2 × 113 × 3032693.
Since it has a total of 3 prime factors.
6 , 7 , 1 , 73 , 427 , 741 , 7394 , 7229 , 90511 , 38768 , 911162 , 894835 , 6553545 , 3979016 , 14630754 , 38034060 , 63817403 , 700743012 , 6287972005 , 5564959916
n×2
1370777236
n×3
2056165854
n×4
2741554472
n×5
3426943090
n÷2
342694309
n÷3
228462872.66667
n÷3
171347154.5
n÷5
137077723.6
n2
469757557683949924
n3
3.2196648325606E+26
n4
2.2067216300119E+35
n5
1.5124618883046E+44
2 √n
26179.92776919
3 √n
881.68265261344
4 √n
161.80212535437
5 √n
58.504244793679
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
-685388617
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 685388618 can be divided by 8 positive divisors.
The sum of these divisors (counting 685388618) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000110110100011001101001010
3
Ternary
1202202200100102122
4
Quaternary
220312203031022
5
Quinary
2400424413433
6
Senary
152002131242
8
Octal
5066431512
10
Decimal
685388618
12
Duodecimal
171650b22
16
Hexadecimal
28da334a
20
Vigesimal
ae3dbai
36
Base36
bc298q
md5
c0e10a3a836c818b3b6205e0ab471d8a
sha1
27f47e38e594945db4c80e7e51d839085ac3171a
sha256
38a12a32f9817aafc7c618ca4de2da0361d7091049a2a2bba629ad508f5d49f7
sha512
1f097a23a19c6569bad6423b2990349cc0080674a3b8eb8ce28f02b032353773c11764905c6b82e6020b557a4fce132f65617fb8a4985e044a56c4812c1f0326
ripemd-160
c519e169564cfcd91554e59ce8949d55a27a12d4
Diameter
1370777236
Circumference
4306423694.3257
Area
1.4757868921882E+18
Volume
1.3486500513325E+27
Surface area
5.9031475687527E+18
Circumference
4306423694.3257
Perimeter
2741554472
Area
469757557683949924
Diagonal
969285879.07175
Surface area
2818545346103699544
Volume
3.2196648325606E+26
Space diagonal
1187127909.3054
Perimeter
2056165854
Area
2.0341098928702E+17
Altitude
593563954.65271
Surface area
2.0341098928702E+17
Volume
3.7944113937524E+25
Height
323095293.02392