128506469 is an odd 9-digits composite number following 128506468
and preceding 128506470 . In scientific notation, it is written as 1.28506469 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 100124640 positive integers (up to 128506469) that are relatively prime to 128506469.
128506469 has 24 divisors, whose sum is 163443168
The reverse of 128506469 is 964605821
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million five hundred six thousand four hundred sixty-nine
Scientific notation
1.28506469 × 10^8
Engineering notation
1.28506469 × 10^6
Prime Factorization
7 × 13 × 7 × 67 × 3011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18358067
Product of the distinct prime numbers
The prime factorization of 128506469 is 7 × 13 × 7 × 67 × 3011.
Since it has a total of 5 prime factors.
7 , 2 , 52 , 56 , 821 , 939 , 4181 , 5114 , 38152 , 41634 , 776447 , 926838 , 7818970 , 2615568 , 89538434 , 39483430 , 8644110 , 232389324 , 2435115205 , 7323088149
n×2
257012938
n×3
385519407
n×4
514025876
n×5
642532345
n÷2
64253234.5
n÷3
42835489.666667
n÷3
32126617.25
n÷5
25701293.8
n2
16513912574847961
n3
2.1221445943684E+24
n4
2.7270930852972E+32
n5
3.5044910302586E+40
2 √n
11336.069380522
3 √n
504.63224409956
4 √n
106.47097905308
5 √n
41.85862884253
1 , 7 , 13 , 49 , 67 , 91 , 469 , 637 , 871 , 3011 , 3283 , 6097 , 21077 , 39143 , 42679 , 147539 , 201737 , 274001 , 1412159 , 1918007 , 2622581 , 9885113 , 18358067 , 128506469
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
-128506468
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 128506469 can be divided by 24 positive divisors.
The sum of these divisors (counting 128506469) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101010001101101001100101
3
Ternary
22221210210201212
4
Quaternary
13222031221211
5
Quinary
230344201334
6
Senary
20430201205
8
Octal
752155145
10
Decimal
128506469
12
Duodecimal
37053205
16
Hexadecimal
7a8da65
20
Vigesimal
2033639
36
Base36
24ic85
md5
b5611202368b6a2cac9b29bac51a86dd
sha1
cd2f34143a5d7afd2656acae50c678fc35c5329e
sha256
cc75d503336cbb92fcdda74f01e94d5717bdbf3047f65d610d55734ddfffd92c
sha512
db60afa5ae9f7553cd7e026afba3c84c092f0b5fe75a61cb3e0af86ac04cd0dc19a29e55716428e7ce1326b04cf49dc26de77109be2a0b76fb0f8da9df2dc544
ripemd-160
7f7aad6f4d370b3d0ab3e385d04585cd7ad11fea
Diameter
257012938
Circumference
807429957.89833
Area
5.1879986427166E+16
Volume
8.8892184900308E+24
Surface area
2.0751994570867E+17
Circumference
807429957.89833
Perimeter
514025876
Area
16513912574847961
Diagonal
181735591.31248
Surface area
99083475449087766
Volume
2.1221445943684E+24
Space diagonal
222579733.40927
Perimeter
385519407
Area
7.1507339028468E+15
Altitude
111289866.70464
Surface area
7.1507339028468E+15
Volume
2.5009713888938E+23
Height
60578530.437493