128512 is an even 6-digits composite number following 128511
and preceding 128513 . In scientific notation, it is written as 1.28512 × 10^5.
The sum of its digits is 19. It has a total of 10 prime factors and 20 positive divisors.
There are 64000 positive integers (up to 128512) that are relatively prime to 128512.
128512 has 20 divisors, whose sum is 257796
The reverse of 128512 is 215821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 19
Digital Root 1
Name
one hundred twenty-eight thousand five hundred twelve
Scientific notation
1.28512 × 10^5
Engineering notation
1.28512 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
502
Product of the distinct prime numbers
The prime factorization of 128512 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 251.
Since it has a total of 10 prime factors.
1 , 6 , 75 , 98 , 600 , 146 , 5358 , 7174 , 79161 , 12118 , 323285 , 221395 , 6141293 , 4605253 , 25462399 , 29091218 , 764377241 , 504286765 , 9332971292 , 1735189860
n×2
257024
n×3
385536
n×4
514048
n×5
642560
n÷2
64256
n÷3
42837.333333333
n÷3
32128
n÷5
25702.4
n2
16515334144
n3
2122418621513728
n4
2.7275626188797E+20
n5
3.5052452727747E+25
2 √n
358.48570403853
3 √n
50.463948389306
4 √n
18.933718706016
5 √n
10.514502690951
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 251 , 256 , 502 , 512 , 1004 , 2008 , 4016 , 8032 , 16064 , 32128 , 64256 , 128512
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128512 can be divided by 20 positive divisors.
The sum of these divisors (counting 128512) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111011000000000
3
Ternary
20112021201
4
Quaternary
133120000
5
Quinary
13103022
6
Senary
2430544
8
Octal
373000
10
Decimal
128512
12
Duodecimal
62454
16
Hexadecimal
1f600
20
Vigesimal
g15c
36
Base36
2r5s
md5
eaf9391c41712aa87f5178aee396e448
sha1
57041ec16214c805aa3479b085dd3ad717d1b3ab
sha256
43b899047594d31da6b39a9ed01c452ffa844cd4c3c1bd4333983c550daee9eb
sha512
4e1b2da9ce369f8f96c255472fef066fa4204239100bf44b4182114095ffbc35a61f3b600b0ca1a24478d2f75685ce7a456f53b81d01cf74c8f15d47abb0ebf3
ripemd-160
9c74ffb72c64c0187561ce5a2c79368ff37e70bb
Diameter
257024
Circumference
807464.71019626
Area
51884452418.371
Volume
8.8903663322529E+15
Surface area
207537809673.48
Circumference
807464.71019626
Perimeter
514048
Area
16515334144
Diagonal
181743.41332769
Surface area
99092004864
Volume
2122418621513728
Space diagonal
222589.31338229
Perimeter
385536
Area
7151349460.3463
Altitude
111294.65669115
Surface area
7151349460.3463
Volume
2.5012943329816E+14
Height
60581.137775897