128525878 is an even 9-digits composite number following 128525877
and preceding 128525879 . In scientific notation, it is written as 1.28525878 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 59185440 positive integers (up to 128525878) that are relatively prime to 128525878.
128525878 has 16 divisors, whose sum is 208088496
The reverse of 128525878 is 878525821
Previous prime number is 461
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-eight million five hundred twenty-five thousand eight hundred seventy-eight
Scientific notation
1.28525878 × 10^8
Engineering notation
1.28525878 × 10^6
Prime Factorization
2 × 13 × 461 × 10723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128525878
Product of the distinct prime numbers
The prime factorization of 128525878 is 2 × 13 × 461 × 10723.
Since it has a total of 4 prime factors.
7 , 3 , 27 , 28 , 531 , 194 , 7742 , 9542 , 98359 , 83480 , 481855 , 978727 , 3726866 , 5606041 , 45930702 , 43075104 , 63980299 , 147330193 , 9195672636 , 6692585331
n×2
257051756
n×3
385577634
n×4
514103512
n×5
642629390
n÷2
64262939
n÷3
42841959.333333
n÷3
32131469.5
n÷5
25705175.6
n2
16518901315670884
n3
2.123106295192E+24
n4
2.7287410067687E+32
n5
3.5071383372956E+40
2 √n
11336.925420942
3 √n
504.65764856426
4 √n
106.47499904176
5 √n
41.859893191408
1 , 2 , 13 , 26 , 461 , 922 , 5993 , 10723 , 11986 , 21446 , 139399 , 278798 , 4943303 , 9886606 , 64262939 , 128525878
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
-128525877
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 128525878 can be divided by 16 positive divisors.
The sum of these divisors (counting 128525878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010010010011000110110
3
Ternary
22221211210100201
4
Quaternary
13222102120312
5
Quinary
230400312003
6
Senary
20430431114
8
Octal
752223066
10
Decimal
128525878
12
Duodecimal
3706249a
16
Hexadecimal
7a92636
20
Vigesimal
2035edi
36
Base36
24ir7a
md5
2f56b249a2fecbc043e061a66501d8aa
sha1
e7950564c712c97b21aa0dae6608a056e162da6b
sha256
5b1cad17e2a10e524173473c90b253f7dceb1289152c1049dfb27b9bd125d687
sha512
a4d057ef8400bca1a9be0e5960bc1cb6e439b5b438f03736c531bc2ad9e4f6e2f381c1e98ea1907fc34dde959dca816a8a63d6a60dafb9572d5798f2ed100962
ripemd-160
e5f729d6483ab49e85d85f107d8e94b66c2f7cb7
Diameter
257051756
Circumference
807551908.24196
Area
5.1895659018686E+16
Volume
8.8932468530204E+24
Surface area
2.0758263607475E+17
Circumference
807551908.24196
Perimeter
514103512
Area
16518901315670884
Diagonal
181763039.78351
Surface area
99113407894025304
Volume
2.123106295192E+24
Space diagonal
222613350.7834
Perimeter
385577634
Area
7.1528940909896E+15
Altitude
111306675.3917
Surface area
7.1528940909896E+15
Volume
2.5021047641835E+23
Height
60587679.927837