685660149 is an odd 9-digits composite number following 685660148
and preceding 685660150 . In scientific notation, it is written as 6.85660149 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 456860544 positive integers (up to 685660149) that are relatively prime to 685660149.
685660149 has 12 divisors, whose sum is 990931500
The reverse of 685660149 is 941066586
Previous prime number is 1949
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred eighty-five million six hundred sixty thousand one hundred forty-nine
Scientific notation
6.85660149 × 10^8
Engineering notation
6.85660149 × 10^6
Prime Factorization
3 × 3 × 1949 × 39089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
228553383
Product of the distinct prime numbers
The prime factorization of 685660149 is 3 × 3 × 1949 × 39089.
Since it has a total of 4 prime factors.
4 , 3 , 22 , 86 , 262 , 838 , 7305 , 6956 , 85908 , 78289 , 569771 , 193656 , 2802990 , 5252063 , 59006081 , 4328902 , 922948641 , 678811155 , 9677003885 , 2883874986
n×2
1371320298
n×3
2056980447
n×4
2742640596
n×5
3428300745
n÷2
342830074.5
n÷3
228553383
n÷3
171415037.25
n÷5
137132029.8
n2
470129839926702201
n3
3.2234929609349E+26
n4
2.2102206638951E+35
n5
1.5154602297292E+44
2 √n
26185.113117953
3 √n
881.7990695668
4 √n
161.81814829602
5 √n
58.508879594693
1 , 3 , 9 , 1949 , 5847 , 17541 , 39089 , 117267 , 351801 , 76184461 , 228553383 , 685660149
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-685660148
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 685660149 can be divided by 12 positive divisors.
The sum of these divisors (counting 685660149) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000110111100101011111110101
3
Ternary
1202210012010220100
4
Quaternary
220313211133311
5
Quinary
2401012111044
6
Senary
152012024313
8
Octal
5067453765
10
Decimal
685660149
12
Duodecimal
171762099
16
Hexadecimal
28de57f5
20
Vigesimal
ae57a79
36
Base36
bc82r9
md5
eaffe753d10d752d84dc6aa449ea7aa6
sha1
7e7e1344097354472f4fe2153a2984c80bbf21d4
sha256
d5849ac3ab323a6703efb93068353d3c12835925977dae55f9c236bc04f593ec
sha512
c6a2326a52cb20f77f0c728de16aa3db45cff753361d36e5a5141a5fb6e2c220f3e1fa451f0e92fbedc981d56a25b4ca0d907b74cec735986877d48756b41928
ripemd-160
1e05b8daa7f6671c2197033fe5f507359d187ab5
Diameter
1371320298
Circumference
4308129773.9154
Area
1.4769564513471E+18
Volume
1.3502535739962E+27
Surface area
5.9078258053883E+18
Circumference
4308129773.9154
Perimeter
2742640596
Area
470129839926702201
Diagonal
969669881.89456
Surface area
2820779039560213206
Volume
3.2234929609349E+26
Space diagonal
1187598214.7932
Perimeter
2056980447
Area
2.0357219222682E+17
Altitude
593799107.39662
Surface area
2.0357219222682E+17
Volume
3.7989228863069E+25
Height
323223293.96485