128220390 is an even 9-digits composite number following 128220389
and preceding 128220391 . In scientific notation, it is written as 1.28220390 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 34055808 positive integers (up to 128220390) that are relatively prime to 128220390.
128220390 has 16 divisors, whose sum is 197388576
The reverse of 128220390 is 093022821
Previous prime number is 263
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million two hundred twenty thousand three hundred ninety
Scientific notation
1.28220390 × 10^8
Engineering notation
1.28220390 × 10^6
Prime Factorization
2 × 45 × 263 × 5417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128220390
Product of the distinct prime numbers
The prime factorization of 128220390 is 2 × 45 × 263 × 5417.
Since it has a total of 4 prime factors.
8 , 10 , 60 , 2 , 960 , 468 , 5134 , 9865 , 53381 , 36371 , 105660 , 52481 , 7087290 , 2815562 , 2386664 , 30976750 , 465181322 , 813001721 , 1577766712 , 4575788016
n×2
256440780
n×3
384661170
n×4
512881560
n×5
641101950
n÷2
64110195
n÷3
42740130
n÷3
32055097.5
n÷5
25644078
n2
16440468411752100
n3
2.1080032715375E+24
n4
2.7028900159782E+32
n5
3.4656561197583E+40
2 √n
11323.444264004
3 √n
504.25749786043
4 √n
106.41167353258
5 √n
41.839975225561
1 , 2 , 45 , 90 , 263 , 526 , 5417 , 10834 , 11835 , 23670 , 243765 , 487530 , 1424671 , 2849342 , 64110195 , 128220390
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
-128220389
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 128220390 can be divided by 16 positive divisors.
The sum of these divisors (counting 128220390) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000111110011100110
3
Ternary
22221021021022100
4
Quaternary
13221013303212
5
Quinary
230311023030
6
Senary
20420112530
8
Octal
751076346
10
Decimal
128220390
12
Duodecimal
36b35746
16
Hexadecimal
7a47ce6
20
Vigesimal
2017aja
36
Base36
24c7hi
md5
cf9f567123317befc230b69628d81396
sha1
b4e5c520e2cadd689f7ff29eff1b5a532baeb8c2
sha256
a27f5381c79f67fcee2842ec53badbe8eaaf8e2897edbaa97bd8fef5a3f370f5
sha512
26bd312e45290ec547a583d86139fd556ddb115619cb4fb5bcdcc81f3a418a4c02d26e6199fdea170c7b3fb9fc6856744485a626a228defe94efce4b8145088a
ripemd-160
f0f9eb7d7809834881898f28f202fe4ad5a2c535
Diameter
256440780
Circumference
805632470.52884
Area
5.1649254783935E+16
Volume
8.8299834554741E+24
Surface area
2.0659701913574E+17
Circumference
805632470.52884
Perimeter
512881560
Area
16440468411752100
Diagonal
181331014.51077
Surface area
98642810470512600
Volume
2.1080032715375E+24
Space diagonal
222084230.0463
Perimeter
384661170
Area
7.1189316473465E+15
Altitude
111042115.02315
Surface area
7.1189316473465E+15
Volume
2.4843056801127E+23
Height
60443671.503589