128698888 is an even 9-digits composite number following 128698887
and preceding 128698889 . In scientific notation, it is written as 1.28698888 × 10^8.
The sum of its digits is 58. It has a total of 4 prime factors and 8 positive divisors.
There are 64349440 positive integers (up to 128698888) that are relatively prime to 128698888.
128698888 has 8 divisors, whose sum is 241310430
The reverse of 128698888 is 888896821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 58
Digital Root 4
Name
one hundred twenty-eight million six hundred ninety-eight thousand eight hundred eighty-eight
Scientific notation
1.28698888 × 10^8
Engineering notation
1.28698888 × 10^6
Prime Factorization
2 × 2 × 2 × 16087361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32174722
Product of the distinct prime numbers
The prime factorization of 128698888 is 2 × 2 × 2 × 16087361.
Since it has a total of 4 prime factors.
5 , 2 , 36 , 95 , 574 , 466 , 2721 , 2649 , 78 , 1681 , 271190 , 400403 , 5279632 , 12951 , 28881263 , 77916342 , 115140283 , 109535477 , 7196360647 , 2629524130
n×2
257397776
n×3
386096664
n×4
514795552
n×5
643494440
n÷2
64349444
n÷3
42899629.333333
n÷3
32174722
n÷5
25739777.6
n2
16563403772436544
n3
2.1316916470076E+24
n4
2.7434634452877E+32
n5
3.5308069467717E+40
2 √n
11344.553230516
3 √n
504.8839886439
4 √n
106.51081273991
5 √n
41.871156734394
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128698887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128698888 can be divided by 8 positive divisors.
The sum of these divisors (counting 128698888) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010111100101000001000
3
Ternary
22222011120200111
4
Quaternary
13222330220020
5
Quinary
230421331023
6
Senary
20434244104
8
Octal
752745010
10
Decimal
128698888
12
Duodecimal
37126634
16
Hexadecimal
7abca08
20
Vigesimal
2047748
36
Base36
24mgp4
md5
b22db9969be0a89cec92c442116f17f6
sha1
5df78b45ce82f18d499345d2c09f5cc659211535
sha256
5e158675793dd950e368cfe37f394b3c93139a5ad94df2a5514c42ad25cf90d7
sha512
05c4edbe6ae2a500786b850d2c596e66b9146b17e01208f23cbca3c29bdfcc533c8fb0be8abb443af23b7c6edb7fbc0bd5dec80f8f121566ff1d9dbc5281f572
ripemd-160
c11fd1cc14ab16fcc57700665a60348832e0e73d
Diameter
257397776
Circumference
808638962.13195
Area
5.2035467609928E+16
Volume
8.9292090906104E+24
Surface area
2.0814187043971E+17
Circumference
808638962.13195
Perimeter
514795552
Area
16563403772436544
Diagonal
182007712.87194
Surface area
99380422634619264
Volume
2.1316916470076E+24
Space diagonal
222913012.89362
Perimeter
386096664
Area
7.1721642200345E+15
Altitude
111456506.44681
Surface area
7.1721642200345E+15
Volume
2.5122226983296E+23
Height
60669237.623979