128958906 is an even 9-digits composite number following 128958905
and preceding 128958907 . In scientific notation, it is written as 1.28958906 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 40457664 positive integers (up to 128958906) that are relatively prime to 128958906.
128958906 has 16 divisors, whose sum is 273089664
The reverse of 128958906 is 609859821
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million nine hundred fifty-eight thousand nine hundred six
Scientific notation
1.28958906 × 10^8
Engineering notation
1.28958906 × 10^6
Prime Factorization
2 × 3 × 17 × 1264303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128958906
Product of the distinct prime numbers
The prime factorization of 128958906 is 2 × 3 × 17 × 1264303.
Since it has a total of 4 prime factors.
10 , 8 , 69 , 5 , 890 , 907 , 8257 , 8969 , 3683 , 83125 , 529694 , 117574 , 7736354 , 7876567 , 86836835 , 91535038 , 614039820 , 680211742 , 782174746 , 5637419534
n×2
257917812
n×3
386876718
n×4
515835624
n×5
644794530
n÷2
64479453
n÷3
42986302
n÷3
32239726.5
n÷5
25791781.2
n2
16630399436716836
n3
2.144638117702E+24
n4
2.7657018542475E+32
n5
3.5666188544593E+40
2 √n
11356.007485027
3 √n
505.22377560942
4 √n
106.56456955775
5 √n
41.888062034486
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 1264303 , 2528606 , 3792909 , 7585818 , 21493151 , 42986302 , 64479453 , 128958906
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
-128958905
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 128958906 can be divided by 16 positive divisors.
The sum of these divisors (counting 128958906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011111100000110111010
3
Ternary
22222122210100210
4
Quaternary
13223330012322
5
Quinary
231003141111
6
Senary
20444011550
8
Octal
753740672
10
Decimal
128958906
12
Duodecimal
37230bb6
16
Hexadecimal
7afc1ba
20
Vigesimal
205jh56
36
Base36
24s1bu
md5
d980c244376bb2faf04dc0bce7ec8ff7
sha1
ad9fb25113341cfa7ad8ecb388f8881870b5439c
sha256
2346cac9fb7605c589ae847bf9558c13629523a3fbc3448da2f2b2d648323a79
sha512
edf8ce36a3128860cfca74a3c9a760c4accbc38e29bab1fce19e6f4a537b94e4b65f36f8e588c2c3e03947d78936f6bc7265941f5fd76331aca07258b4673409
ripemd-160
2b05de1f7add8f904609f061ec9f3f36e7917c03
Diameter
257917812
Circumference
810272703.40915
Area
5.2245940696653E+16
Volume
8.9834391402417E+24
Surface area
2.0898376278661E+17
Circumference
810272703.40915
Perimeter
515835624
Area
16630399436716836
Diagonal
182375433.854
Surface area
99782396620301016
Volume
2.144638117702E+24
Space diagonal
223363377.2805
Perimeter
386876718
Area
7.2011741936396E+15
Altitude
111681688.64025
Surface area
7.2011741936396E+15
Volume
2.5274802603638E+23
Height
60791811.284666