685139968 is an even 9-digits composite number following 685139967
and preceding 685139969 . In scientific notation, it is written as 6.85139968 × 10^8.
The sum of its digits is 55. It has a total of 12 prime factors and 24 positive divisors.
There are 342568960 positive integers (up to 685139968) that are relatively prime to 685139968.
685139968 has 24 divisors, whose sum is 1369949490
The reverse of 685139968 is 869931586
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-five million one hundred thirty-nine thousand nine hundred sixty-eight
Scientific notation
6.85139968 × 10^8
Engineering notation
6.85139968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 334541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
12
Total number of prime factors
rad
Radical
669082
Product of the distinct prime numbers
The prime factorization of 685139968 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 334541.
Since it has a total of 12 prime factors.
6 , 1 , 34 , 8 , 463 , 758 , 1901 , 9117 , 81603 , 57082 , 308467 , 413541 , 837460 , 9820246 , 48828207 , 22212159 , 859493108 , 493003474 , 569805778 , 1629275385
n×2
1370279936
n×3
2055419904
n×4
2740559872
n×5
3425699840
n÷2
342569984
n÷3
228379989.33333
n÷3
171284992
n÷5
137027993.6
n2
469416775751041024
n3
3.2161619471673E+26
n4
2.203521093565E+35
n5
1.5097203715325E+44
2 √n
26175.178471216
3 √n
881.57601875033
4 √n
161.78744843533
5 √n
58.499999263029
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 1024 , 2048 , 334541 , 669082 , 1338164 , 2676328 , 5352656 , 10705312 , 21410624 , 42821248 , 85642496 , 171284992 , 342569984 , 685139968
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685139967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685139968 can be divided by 24 positive divisors.
The sum of these divisors (counting 685139968) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
101000110101100110100000000000
3
Ternary
1202202012201100101
4
Quaternary
220311212200000
5
Quinary
2400343434333
6
Senary
151552532144
8
Octal
5065464000
10
Decimal
685139968
12
Duodecimal
171551054
16
Hexadecimal
28d66800
20
Vigesimal
ae229i8
36
Base36
bbwxds
md5
c0d8779956c7805eb6ea3504faf4386e
sha1
d8228b71b842a9b80f8b57188b33fbec284b7750
sha256
433de455f5fb49a6446d9b6a8488e8a58ad131ba502879d657925499109f372a
sha512
b0dcb5d3c3d37f670d00dfcd591e83d2e4d8df7c41e8a04c50d5a00a75849e61cb0bf1734e33776e62fcc98093e326bd284eef292ed9cc31d46f6a794f0c974e
ripemd-160
05c82455123f4ac7cdd4dc63016e144bc494b06d
Diameter
1370279936
Circumference
4304861380.2991
Area
1.4747162941713E+18
Volume
1.3471827661301E+27
Surface area
5.8988651766851E+18
Circumference
4304861380.2991
Perimeter
2740559872
Area
469416775751041024
Diagonal
968934234.86947
Surface area
2816500654506246144
Volume
3.2161619471673E+26
Space diagonal
1186697234.8721
Perimeter
2055419904
Area
2.0326342638149E+17
Altitude
593348617.43606
Surface area
2.0326342638149E+17
Volume
3.7902832037269E+25
Height
322978078.28982