161728386 is an even 9-digits composite number following 161728385
and preceding 161728387 . In scientific notation, it is written as 1.61728386 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 53872928 positive integers (up to 161728386) that are relatively prime to 161728386.
161728386 has 16 divisors, whose sum is 323676000
The reverse of 161728386 is 683827161
Previous prime number is 1619
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred sixty-one million seven hundred twenty-eight thousand three hundred eighty-six
Scientific notation
1.61728386 × 10^8
Engineering notation
1.61728386 × 10^6
Prime Factorization
2 × 3 × 1619 × 16649
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161728386 Product of the distinct prime numbers
The prime factorization of 161728386 is 2 × 3 × 1619 × 16649.
Since it has a total of 4 prime factors.
9 , 4 , 49 , 94 , 984 , 439 , 620 , 854 , 58460 , 83339 , 161282 , 511501 , 344568 , 1642337 , 85240527 , 6643494 , 279081974 , 314568843 , 1154726333 , 3099409885
n×2
323456772
n×3
485185158
n×4
646913544
n×5
808641930
n÷2
80864193
n÷3
53909462
n÷3
40432096.5
n÷5
32345677.2
n2
26156070838164996
n3
4.2301791207581E+24
n4
6.8414004169111E+32
n5
1.1064486474068E+41
2 √n12717.247579567
3 √n544.83134359875
4 √n112.77077449218
5 √n43.828564891642
1 , 2 , 3 , 6 , 1619 , 3238 , 4857 , 9714 , 16649 , 33298 , 49947 , 99894 , 26954731 , 53909462 , 80864193 , 161728386
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
-161728385 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 161728386 can be divided by 16 positive divisors.
The sum of these divisors (counting 161728386) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000111100011110000010
3
Ternary
102021022122122020
4
Quaternary
21220330132002
5
Quinary
312400302021
6
Senary
24014222310
8
Octal
1150743602
10
Decimal
161728386
12
Duodecimal
461b4996
16
Hexadecimal
9a3c782
20
Vigesimal
2aag0j6
36
Base36
2oaef6
md5
77f635e30c5084a01b66439983640ce9
sha1
5a290bc5af3dd7e4201457d3062b612e5fab9745
sha256
0ef992bf185ce1c2f49b7fbdc4279bbe19f67e958c847a7beed9733c22929230
sha512
38410709a3c58d6b7cdd328e0ece0822c72e115c64aa2924c3973e9454d6ba7254f6db50e0b46e4cb10668725bcd3797bdc93409fed79b0889f534703ee1c8da
ripemd-160
70554c62d500628b82e14e5a0a5ee3663eb9908e
Diameter
323456772
Circumference
1016169418.6691
Area
8.2171719991953E+16
Volume
1.7719332865523E+25
Surface area
3.2868687996781E+17
Circumference
1016169418.6691
Perimeter
646913544
Area
26156070838164996
Diagonal
228718476.90191
Surface area
156936425028989976
Volume
4.2301791207581E+24
Space diagonal
280121781.57811
Perimeter
485185158
Area
1.1325910904518E+16
Altitude
140060890.78906
Surface area
1.1325910904518E+16
Volume
4.985313903203E+23
Height
76239492.300637