128736161 is an odd 9-digits composite number following 128736160
and preceding 128736162 . In scientific notation, it is written as 1.28736161 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 128346900 positive integers (up to 128736161) that are relatively prime to 128736161.
128736161 has 4 divisors, whose sum is 129125424
The reverse of 128736161 is 161637821
Previous prime number is 331
Is Prime? no Number parity odd Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred twenty-eight million seven hundred thirty-six thousand one hundred sixty-one
Scientific notation
1.28736161 × 10^8
Engineering notation
1.28736161 × 10^6
Prime Factorization
331 × 388931
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128736161 Product of the distinct prime numbers
The prime factorization of 128736161 is 331 × 388931.
Since it has a total of 2 prime factors.
5 , 7 , 21 , 14 , 520 , 755 , 7546 , 7162 , 94530 , 91846 , 230020 , 365976 , 3420033 , 9731357 , 60517281 , 61044479 , 76015291 , 110610804 , 4737000579 , 1089072026
n×2
257472322
n×3
386208483
n×4
514944644
n×5
643680805
n÷2
64368080.5
n÷3
42912053.666667
n÷3
32184040.25
n÷5
25747232.2
n2
16572999149017921
n3
2.1335442867008E+24
n4
2.7466430079335E+32
n5
3.5359227647885E+40
2 √n11346.195882321
3 √n504.93272443017
4 √n106.51852365819
5 √n41.873581748137
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128736160 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128736161 can be divided by 4 positive divisors.
The sum of these divisors (counting 128736161) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011000101101110100001
3
Ternary
22222020110210222
4
Quaternary
13223011232201
5
Quinary
230424024121
6
Senary
20435132425
8
Octal
753055641
10
Decimal
128736161
12
Duodecimal
37144115
16
Hexadecimal
7ac5ba1
20
Vigesimal
204c081
36
Base36
24n9gh
md5
40b64be0097afe8ecdd4e101d50b7383
sha1
da746dcf2676f13d0c78bc37f2cb47811a2022a6
sha256
f23bc34bcd902dbd0413ef3fe0e91cb4a70bcbd1edacefec7fee605909d4ca43
sha512
865d95bf14c90a560cfa1be26b686c97493964bf296ab062e098a5023a418d7e6b42bbbf11c6a74052e52db050fd890fe69ea9f1c8606f41d6f3b8c7b0e63830
ripemd-160
396c0ea94197b275e32ce8779e09593f70c7451c
Diameter
257472322
Circumference
808873155.29791
Area
5.2065612374505E+16
Volume
8.9369694096104E+24
Surface area
2.0826244949802E+17
Circumference
808873155.29791
Perimeter
514944644
Area
16572999149017921
Diagonal
182060424.85405
Surface area
99437994894107526
Volume
2.1335442867008E+24
Space diagonal
222977571.62337
Perimeter
386208483
Area
7.1763191399737E+15
Altitude
111488785.81168
Surface area
7.1763191399737E+15
Volume
2.5144060551466E+23
Height
60686808.284682