128959640 is an even 9-digits composite number following 128959639
and preceding 128959641 . In scientific notation, it is written as 1.28959640 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 51583840 positive integers (up to 128959640) that are relatively prime to 128959640.
128959640 has 16 divisors, whose sum is 290159280
The reverse of 128959640 is 046959821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-eight million nine hundred fifty-nine thousand six hundred forty
Scientific notation
1.28959640 × 10^8
Engineering notation
1.28959640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 3223991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32239910
Product of the distinct prime numbers
The prime factorization of 128959640 is 2 × 2 × 2 × 5 × 3223991.
Since it has a total of 5 prime factors.
8 , 7 , 93 , 91 , 681 , 791 , 8761 , 8433 , 95365 , 64838 , 859145 , 645968 , 4172680 , 1068816 , 96700208 , 33770771 , 367330142 , 738359546 , 2767721637 , 1528993045
n×2
257919280
n×3
386878920
n×4
515838560
n×5
644798200
n÷2
64479820
n÷3
42986546.666667
n÷3
32239910
n÷5
25791928
n2
16630588748929600
n3
2.14467473805E+24
n4
2.7657648213602E+32
n5
3.5667203568728E+40
2 √n
11356.039802678
3 √n
505.22473414099
4 √n
106.56472119176
5 √n
41.888109717533
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 3223991 , 6447982 , 12895964 , 16119955 , 25791928 , 32239910 , 64479820 , 128959640
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
-128959639
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 128959640 can be divided by 16 positive divisors.
The sum of these divisors (counting 128959640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011111100010010011000
3
Ternary
22222122211100222
4
Quaternary
13223330102120
5
Quinary
231003202030
6
Senary
20444015212
8
Octal
753742230
10
Decimal
128959640
12
Duodecimal
37231508
16
Hexadecimal
7afc498
20
Vigesimal
205jj20
36
Base36
24s1w8
md5
51e707986e510c42a66e96ba3022c0f5
sha1
28f27b5661f854835c7a327589e984b8cb26472e
sha256
3afab428813d7b6dcddd563edbc165a26bd3e26c4047ae94251c907457c2d388
sha512
4192db7b7f7f36e008c549f096c98d9377095990715b2aa998133ec863d251da6d09f3a47d59c9d5614c409a9fe4983d89754b1d31e32078ff0342b97557a2cb
ripemd-160
f05e4b14251c91cece6068a0bf963f68b75c3844
Diameter
257919280
Circumference
810277315.26717
Area
5.224653543851E+16
Volume
8.9835925351967E+24
Surface area
2.0898614175404E+17
Circumference
810277315.26717
Perimeter
515838560
Area
16630588748929600
Diagonal
182376471.88675
Surface area
99783532493577600
Volume
2.14467473805E+24
Space diagonal
223364648.60579
Perimeter
386878920
Area
7.2012561682323E+15
Altitude
111682324.3029
Surface area
7.2012561682323E+15
Volume
2.5275234178577E+23
Height
60792157.295584