128045209 is an odd 9-digits composite number following 128045208
and preceding 128045210 . In scientific notation, it is written as 1.28045209 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 122478004 positive integers (up to 128045209) that are relatively prime to 128045209.
128045209 has 4 divisors, whose sum is 133612416
The reverse of 128045209 is 902540821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million forty-five thousand two hundred nine
Scientific notation
1.28045209 × 10^8
Engineering notation
1.28045209 × 10^6
Prime Factorization
23 × 5567183
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128045209
Product of the distinct prime numbers
The prime factorization of 128045209 is 23 × 5567183.
Since it has a total of 2 prime factors.
3 , 2 , 59 , 94 , 144 , 328 , 2690 , 56 , 96446 , 2671 , 151556 , 944894 , 2583569 , 2478400 , 29236498 , 44500133 , 796211589 , 224712619 , 1454642047 , 461292555
n×2
256090418
n×3
384135627
n×4
512180836
n×5
640226045
n÷2
64022604.5
n÷3
42681736.333333
n÷3
32011302.25
n÷5
25609041.8
n2
16395575547853681
n3
2.0993748977002E+24
n4
2.6881489754538E+32
n5
3.4420459738511E+40
2 √n
11315.706297002
3 √n
504.02774606845
4 √n
106.37530868111
5 √n
41.828536206239
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
-128045208
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 128045209 can be divided by 4 positive divisors.
The sum of these divisors (counting 128045209) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000011101000010011001
3
Ternary
22220221101000011
4
Quaternary
13220131002121
5
Quinary
230234421314
6
Senary
20412241521
8
Octal
750350231
10
Decimal
128045209
12
Duodecimal
36a702a1
16
Hexadecimal
7a1d099
20
Vigesimal
2005d09
36
Base36
248gbd
md5
200ec3b749b86b9ab78a45e3c9e17b6e
sha1
f777e321a32185e988b6a9926a2ea7eaecfe93f2
sha256
b9d002ac297b9e02deea0d94c1aa27e9c084310ac7a8e399a6b5e1e7bb13d059
sha512
51872fc4a7a7a630a2cf551cce5693a799f122e8d5027e88d163ef9dcdc608afeb4fe33005efd3a128ce89b68f58c09c7406ad2db9a52f4c914a73a6f5ac8c60
ripemd-160
ae78334fa3e654c87d4444e2736c7a85b17cc9e3
Diameter
256090418
Circumference
804531775.84354
Area
5.1508219692514E+16
Volume
8.7938410076611E+24
Surface area
2.0603287877005E+17
Circumference
804531775.84354
Perimeter
512180836
Area
16395575547853681
Diagonal
181083271.1647
Surface area
98373453287122086
Volume
2.0993748977002E+24
Space diagonal
221780807.65378
Perimeter
384135627
Area
7.0994924670541E+15
Altitude
110890403.82689
Surface area
7.0994924670541E+15
Volume
2.4741370440277E+23
Height
60361090.388233