128225840 is an even 9-digits composite number following 128225839
and preceding 128225841 . In scientific notation, it is written as 1.28225840 × 10^8.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 51290304 positive integers (up to 128225840) that are relatively prime to 128225840.
128225840 has 20 divisors, whose sum is 298125264
The reverse of 128225840 is 048522821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million two hundred twenty-five thousand eight hundred forty
Scientific notation
1.28225840 × 10^8
Engineering notation
1.28225840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 1602823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16028230
Product of the distinct prime numbers
The prime factorization of 128225840 is 2 × 2 × 2 × 2 × 5 × 1602823.
Since it has a total of 6 prime factors.
10 , 3 , 49 , 70 , 510 , 688 , 1346 , 8081 , 63801 , 88230 , 92262 , 754001 , 764956 , 219087 , 64024531 , 34442299 , 852221556 , 160638934 , 3565314252 , 8708959016
n×2
256451680
n×3
384677520
n×4
512903360
n×5
641129200
n÷2
64112920
n÷3
42741946.666667
n÷3
32056460
n÷5
25645168
n2
16441866043705600
n3
2.1082720846216E+24
n4
2.7033495899916E+32
n5
3.4663927199033E+40
2 √n
11323.684912607
3 √n
504.26464223746
4 √n
106.41280427001
5 √n
41.840330900642
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 1602823 , 3205646 , 6411292 , 8014115 , 12822584 , 16028230 , 25645168 , 32056460 , 64112920 , 128225840
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
-128225839
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 128225840 can be divided by 20 positive divisors.
The sum of these divisors (counting 128225840) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101001001001001000110000
3
Ternary
22221021112210012
4
Quaternary
13221021020300
5
Quinary
230311211330
6
Senary
20420154052
8
Octal
751111060
10
Decimal
128225840
12
Duodecimal
36b38928
16
Hexadecimal
7a49230
20
Vigesimal
20184c0
36
Base36
24cbow
md5
7c97f196cad70f7fa9454e28b4cf164d
sha1
a9f5b3188cab910f91d8fc9742d59524a78645fa
sha256
bf0d15d51c85ea49baf835041c9b5745423e6dcfc5ea3e3d9c5cd1414b7f1507
sha512
06687c361abe16ec3f354abad2466be04f9bff2b8a2c8d3c25ef626676e20ab3e7eb5cd044ef6b2f79d1591a53b2f2e7e62957630d92d0c92374885c7f3adbfb
ripemd-160
c9ff76a90f3b6c0b905a02046942beee4310bf8a
Diameter
256451680
Circumference
805666713.88876
Area
5.1653645574213E+16
Volume
8.8311094570877E+24
Surface area
2.0661458229685E+17
Circumference
805666713.88876
Perimeter
512903360
Area
16441866043705600
Diagonal
181338721.97468
Surface area
98651196262233600
Volume
2.1082720846216E+24
Space diagonal
222093669.7232
Perimeter
384677520
Area
7.1195368397349E+15
Altitude
111046834.8616
Surface area
7.1195368397349E+15
Volume
2.4846224793704E+23
Height
60446240.658228