128525845 is an odd 9-digits composite number following 128525844
and preceding 128525846 . In scientific notation, it is written as 1.28525845 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 85288320 positive integers (up to 128525845) that are relatively prime to 128525845.
128525845 has 16 divisors, whose sum is 181951488
The reverse of 128525845 is 548525821
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million five hundred twenty-five thousand eight hundred forty-five
Scientific notation
1.28525845 × 10^8
Engineering notation
1.28525845 × 10^6
Prime Factorization
7 × 31 × 5 × 118457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128525845
Product of the distinct prime numbers
The prime factorization of 128525845 is 7 × 31 × 5 × 118457.
Since it has a total of 4 prime factors.
10 , 1 , 98 , 6 , 970 , 577 , 4002 , 2451 , 91948 , 98559 , 884107 , 424299 , 359906 , 5978065 , 25778486 , 47806130 , 552518431 , 255912226 , 5141721052 , 8955211305
n×2
257051690
n×3
385577535
n×4
514103380
n×5
642629225
n÷2
64262922.5
n÷3
42841948.333333
n÷3
32131461.25
n÷5
25705169
n2
16518892832964025
n3
2.1231046598211E+24
n4
2.7287382042695E+32
n5
3.5071338348752E+40
2 √n
11336.923965521
3 √n
504.65760537269
4 √n
106.47499220719
5 √n
41.859891041838
1 , 5 , 7 , 31 , 35 , 155 , 217 , 1085 , 118457 , 592285 , 829199 , 3672167 , 4145995 , 18360835 , 25705169 , 128525845
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
-128525844
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 128525845 can be divided by 16 positive divisors.
The sum of these divisors (counting 128525845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010010011000010101
3
Ternary
22221211210022111
4
Quaternary
13222102120111
5
Quinary
230400311340
6
Senary
20430431021
8
Octal
752223025
10
Decimal
128525845
12
Duodecimal
37062471
16
Hexadecimal
7a92615
20
Vigesimal
2035ec5
36
Base36
24ir6d
md5
80205db318d230cdb7f0ad6265f815d5
sha1
e57758d643b0e00bfe0bba079517b811951388f5
sha256
78db4c4d80124db035a17ca070e3c70613dcb9049d8868037e9b351aa81105b9
sha512
7e8fb2635f54ed89be26b99eab8b851b7e2d0dcd572c17451122f3df3e4525c2e0eb455723132b7f27a47f27d2f126469c318f6baad8a47afa1fc916cd6f70a8
ripemd-160
3ed7cfd60e787f66ebbe01713459f2fbb1a01d03
Diameter
257051690
Circumference
807551700.89684
Area
5.1895632369477E+16
Volume
8.8932400027952E+24
Surface area
2.0758252947791E+17
Circumference
807551700.89684
Perimeter
514103380
Area
16518892832964025
Diagonal
181762993.11446
Surface area
99113356997784150
Volume
2.1231046598211E+24
Space diagonal
222613293.62572
Perimeter
385577535
Area
7.1528904178698E+15
Altitude
111306646.81286
Surface area
7.1528904178698E+15
Volume
2.5021028368805E+23
Height
60587664.371487