128520938 is an even 9-digits composite number following 128520937
and preceding 128520939 . In scientific notation, it is written as 1.28520938 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 50843376 positive integers (up to 128520938) that are relatively prime to 128520938.
128520938 has 16 divisors, whose sum is 237269760
The reverse of 128520938 is 839025821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-eight million five hundred twenty thousand nine hundred thirty-eight
Scientific notation
1.28520938 × 10^8
Engineering notation
1.28520938 × 10^6
Prime Factorization
2 × 13 × 7 × 706159
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128520938
Product of the distinct prime numbers
The prime factorization of 128520938 is 2 × 13 × 7 × 706159.
Since it has a total of 4 prime factors.
3 , 2 , 23 , 73 , 672 , 534 , 355 , 5565 , 7940 , 3129 , 650369 , 276750 , 3474900 , 3285256 , 42863897 , 56050239 , 762231870 , 673036472 , 9808960602 , 7888553662
n×2
257041876
n×3
385562814
n×4
514083752
n×5
642604690
n÷2
64260469
n÷3
42840312.666667
n÷3
32130234.5
n÷5
25704187.6
n2
16517631504399844
n3
2.1228614944838E+24
n4
2.7283215051514E+32
n5
3.5064643900763E+40
2 √n
11336.707546726
3 √n
504.65118283465
4 √n
106.47397591302
5 √n
41.859571402434
1 , 2 , 7 , 13 , 14 , 26 , 91 , 182 , 706159 , 1412318 , 4943113 , 9180067 , 9886226 , 18360134 , 64260469 , 128520938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128520937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128520938 can be divided by 16 positive divisors.
The sum of these divisors (counting 128520938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010001001011101010
3
Ternary
22221211112120202
4
Quaternary
13222101023222
5
Quinary
230400132223
6
Senary
20430352202
8
Octal
752211352
10
Decimal
128520938
12
Duodecimal
3705b662
16
Hexadecimal
7a912ea
20
Vigesimal
203526i
36
Base36
24ine2
md5
9d3452cdf09802a8d6034d4a7c17330d
sha1
f72bd235de0358e34a88fb1afe7bbbe1ba74a275
sha256
7580a579e99e20bf35ddffe9b0083f035a65ec537f29020c8da348fb64084732
sha512
3351dd52fba3e84014a7f3fdfe177d11cfcb2a2fd76ff9ed95c75557bb18807b988b5a5dc215a0c49bec7b033264c18770464030f6fee0f61b47cfd52c39a4db
ripemd-160
9862660881ab8244605462d9f36da8d6cad529e0
Diameter
257041876
Circumference
807520869.30654
Area
5.1891669788926E+16
Volume
8.892221434212E+24
Surface area
2.075666791557E+17
Circumference
807520869.30654
Perimeter
514083752
Area
16517631504399844
Diagonal
181756053.56851
Surface area
99105789026399064
Volume
2.1228614944838E+24
Space diagonal
222604794.45241
Perimeter
385562814
Area
7.1523442465802E+15
Altitude
111302397.2262
Surface area
7.1523442465802E+15
Volume
2.5018162637822E+23
Height
60585351.189504