128698812 is an even 9-digits composite number following 128698811
and preceding 128698813 . In scientific notation, it is written as 1.28698812 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 38999520 positive integers (up to 128698812) that are relatively prime to 128698812.
128698812 has 24 divisors, whose sum is 272998320
The reverse of 128698812 is 218896821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-eight million six hundred ninety-eight thousand eight hundred twelve
Scientific notation
1.28698812 × 10^8
Engineering notation
1.28698812 × 10^6
Prime Factorization
2 × 2 × 9 × 11 × 324997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64349406
Product of the distinct prime numbers
The prime factorization of 128698812 is 2 × 2 × 9 × 11 × 324997.
Since it has a total of 5 prime factors.
5 , 8 , 62 , 33 , 676 , 755 , 1083 , 3233 , 1226 , 80275 , 963951 , 398712 , 7884277 , 1418689 , 86475282 , 29246367 , 304079164 , 22076689 , 8391607191 , 5139035242
n×2
257397624
n×3
386096436
n×4
514795248
n×5
643494060
n÷2
64349406
n÷3
42899604
n÷3
32174703
n÷5
25739762.4
n2
16563384210211344
n3
2.1316878705538E+24
n4
2.7434569649508E+32
n5
3.5307965216229E+40
2 √n
11344.54988089
3 √n
504.88388926156
4 √n
106.51079701556
5 √n
41.871151789194
1 , 2 , 4 , 9 , 11 , 18 , 22 , 36 , 44 , 99 , 198 , 396 , 324997 , 649994 , 1299988 , 2924973 , 3574967 , 5849946 , 7149934 , 11699892 , 14299868 , 32174703 , 64349406 , 128698812
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
-128698811
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 128698812 can be divided by 24 positive divisors.
The sum of these divisors (counting 128698812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010111100100110111100
3
Ternary
22222011120120200
4
Quaternary
13222330212330
5
Quinary
230421330222
6
Senary
20434243500
8
Octal
752744674
10
Decimal
128698812
12
Duodecimal
37126590
16
Hexadecimal
7abc9bc
20
Vigesimal
204770c
36
Base36
24mgn0
md5
3f9ab23bb9e2fee0dbbd1a4e60822cc7
sha1
1b9cffe2e30d4f4949727b14d993a8d5d1b86e70
sha256
91088a4dad6225de0a05ffa57a9c89d8ca40d28ac7766575b9232449c550605f
sha512
d69075177dc4eb2bb3d52b668c1d601044164454f50c640a61f71fb4c7e39186e7ffc59e086f979ff9c8bab220a056cc556871bf9ea6e7d2a89fd21540592ac5
ripemd-160
c139d677963859a5075c922dd65dec3df91ea386
Diameter
257397624
Circumference
808638484.60987
Area
5.2035406153385E+16
Volume
8.9291932718375E+24
Surface area
2.0814162461354E+17
Circumference
808638484.60987
Perimeter
514795248
Area
16563384210211344
Diagonal
182007605.39171
Surface area
99380305261268064
Volume
2.1316878705538E+24
Space diagonal
222912881.25776
Perimeter
386096436
Area
7.1721557493425E+15
Altitude
111456440.62888
Surface area
7.1721557493425E+15
Volume
2.5122182477361E+23
Height
60669201.797235