128698889 is an odd 9-digits composite number following 128698888
and preceding 128698890 . In scientific notation, it is written as 1.28698889 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 116998980 positive integers (up to 128698889) that are relatively prime to 128698889.
128698889 has 4 divisors, whose sum is 140398800
The reverse of 128698889 is 988896821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
one hundred twenty-eight million six hundred ninety-eight thousand eight hundred eighty-nine
Scientific notation
1.28698889 × 10^8
Engineering notation
1.28698889 × 10^6
Prime Factorization
11 × 11699899
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128698889
Product of the distinct prime numbers
The prime factorization of 128698889 is 11 × 11699899.
Since it has a total of 2 prime factors.
3 , 2 , 50 , 97 , 439 , 532 , 1162 , 8864 , 80794 , 20368 , 66127 , 658190 , 7006439 , 4416549 , 95445992 , 8799851 , 774529022 , 667467155 , 5057744220 , 1027078242
n×2
257397778
n×3
386096667
n×4
514795556
n×5
643494445
n÷2
64349444.5
n÷3
42899629.666667
n÷3
32174722.25
n÷5
25739777.8
n2
16563404029834321
n3
2.1316916966978E+24
n4
2.7434635305553E+32
n5
3.5308070839449E+40
2 √n
11344.55327459
3 √n
504.88398995156
4 √n
106.51081294681
5 √n
41.871156799462
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
-128698888
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 128698889 can be divided by 4 positive divisors.
The sum of these divisors (counting 128698889) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010111100101000001001
3
Ternary
22222011120200112
4
Quaternary
13222330220021
5
Quinary
230421331024
6
Senary
20434244105
8
Octal
752745011
10
Decimal
128698889
12
Duodecimal
37126635
16
Hexadecimal
7abca09
20
Vigesimal
2047749
36
Base36
24mgp5
md5
2c8e66850f35dd62868879c1ecb3ae49
sha1
f70dba07016b2694cf6ecb9f2227547a0fc44c37
sha256
f5621bf36f64cefcc7db2d79b22e38a297374f06eb24ef9c5ce64bdf05e930b5
sha512
7df20197e9cbc9c13178fe822836283a6414a01c4b15b9c760817e1c855069d70639154f3ce4de93d17f12830394389dc8dfe676727916ca1b89c077d4fec6ae
ripemd-160
8ce5e20e4b5cbbf85dfe9dc869af8f286400b9f2
Diameter
257397778
Circumference
808638968.41514
Area
5.2035468418567E+16
Volume
8.9292092987522E+24
Surface area
2.0814187367427E+17
Circumference
808638968.41514
Perimeter
514795556
Area
16563404029834321
Diagonal
182007714.28615
Surface area
99380424179005926
Volume
2.1316916966978E+24
Space diagonal
222913014.62567
Perimeter
386096667
Area
7.172164331491E+15
Altitude
111456507.31283
Surface area
7.172164331491E+15
Volume
2.5122227568901E+23
Height
60669238.095383