128512402 is an even 9-digits composite number following 128512401
and preceding 128512403 . In scientific notation, it is written as 1.28512402 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 64256200 positive integers (up to 128512402) that are relatively prime to 128512402.
128512402 has 4 divisors, whose sum is 192768606
The reverse of 128512402 is 204215821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million five hundred twelve thousand four hundred two
Scientific notation
1.28512402 × 10^8
Engineering notation
1.28512402 × 10^6
Prime Factorization
2 × 64256201
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128512402
Product of the distinct prime numbers
The prime factorization of 128512402 is 2 × 64256201.
Since it has a total of 2 prime factors.
4 , 10 , 21 , 82 , 91 , 975 , 7076 , 8382 , 69580 , 31607 , 79360 , 771652 , 8077436 , 6419009 , 19294874 , 94229260 , 22697659 , 898204223 , 4364860511 , 3304300058
n×2
257024804
n×3
385537206
n×4
514049608
n×5
642562010
n÷2
64256201
n÷3
42837467.333333
n÷3
32128100.5
n÷5
25702480.4
n2
16515437467809604
n3
2.122438539069E+24
n4
2.7275967475313E+32
n5
3.5053000971263E+40
2 √n
11336.331064326
3 √n
504.64001008221
4 √n
106.47220794332
5 √n
41.859015348611
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
-128512401
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 128512402 can be divided by 4 positive divisors.
The sum of these divisors (counting 128512402) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010001111000110010010
3
Ternary
22221211002212121
4
Quaternary
13222033012102
5
Quinary
230344344102
6
Senary
20430244454
8
Octal
752170622
10
Decimal
128512402
12
Duodecimal
3705672a
16
Hexadecimal
7a8f192
20
Vigesimal
2034102
36
Base36
24igsy
md5
c64e214d4c4811d972c27f0f9ad607b3
sha1
225ca841de7f18ac2597d45fc40bf07e4c542f38
sha256
e11714aa88e5006c2eea711be7c2daf344c09fdab03d1025b4d5453cf7c2d6a1
sha512
b7e4cf7de868c1e3479b0b171c6fb31f5aa13ef10756ac74c29843487f3326631db0b22846030d0f86a939b917b545227a856e8166bac7e637ce89ebac696082
ripemd-160
83d4e5ee973c30098a4b652d7a13ae23ef8703ce
Diameter
257024804
Circumference
807467236.03676
Area
5.1884777019692E+16
Volume
8.8904497627134E+24
Surface area
2.0753910807877E+17
Circumference
807467236.03676
Perimeter
514049608
Area
16515437467809604
Diagonal
181743981.84154
Surface area
99092624806857624
Volume
2.122438539069E+24
Space diagonal
222590009.66672
Perimeter
385537206
Area
7.1513942008682E+15
Altitude
111295004.83336
Surface area
7.1513942008682E+15
Volume
2.5013178060456E+23
Height
60581327.280514