128429908 is an even 9-digits composite number following 128429907
and preceding 128429909 . In scientific notation, it is written as 1.28429908 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors.
There are 64214952 positive integers (up to 128429908) that are relatively prime to 128429908.
128429908 has 6 divisors, whose sum is 224752346
The reverse of 128429908 is 809924821
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred twenty-eight million four hundred twenty-nine thousand nine hundred eight
Scientific notation
1.28429908 × 10^8
Engineering notation
1.28429908 × 10^6
Prime Factorization
2 × 2 × 32107477
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
64214954 Product of the distinct prime numbers
The prime factorization of 128429908 is 2 × 2 × 32107477.
Since it has a total of 3 prime factors.
5 , 10 , 14 , 74 , 505 , 704 , 2867 , 4109 , 53439 , 99499 , 944888 , 88241 , 4597250 , 3386450 , 32009965 , 74870744 , 517250218 , 482454019 , 9262200851 , 3763893441
n×2
256859816
n×3
385289724
n×4
513719632
n×5
642149540
n÷2
64214954
n÷3
42809969.333333
n÷3
32107477
n÷5
25685981.6
n2
16494241268888464
n3
2.1183538886931E+24
n4
2.720599950363E+32
n5
3.4940640132993E+40
2 √n11332.692001462
3 √n504.53200835603
4 √n106.45511730989
5 √n41.853639984767
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-128429907 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128429908 can be divided by 6 positive divisors.
The sum of these divisors (counting 128429908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101001111010111101010100
3
Ternary
22221122220201021
4
Quaternary
13221322331110
5
Quinary
230334224113
6
Senary
20424410524
8
Octal
751727524
10
Decimal
128429908
12
Duodecimal
37016a44
16
Hexadecimal
7a7af54
20
Vigesimal
202def8
36
Base36
24gp5g
md5
b6d3f09fd7a3e2bfbb5bb4ed2a5c17a7
sha1
83f583b67252a0d42f3cdb977b9d17816663f968
sha256
cc482e20035db8657be740f818fe52781b2f4f706197dc7c6f6c3b87269cd626
sha512
9699f5441f44630d5e75fb5c76e884be864adb2669015e54fdd57e874ebd8f081ce45da121a152b40898408c8a5ada3ba36596401c5b0d89b76c6f0cc1c1a834
ripemd-160
396aa837431f8668c03a63863ff1cb85e27ecc13
Diameter
256859816
Circumference
806948910.94803
Area
5.1818187196878E+16
Volume
8.873340019229E+24
Surface area
2.0727274878751E+17
Circumference
806948910.94803
Perimeter
513719632
Area
16494241268888464
Diagonal
181627317.70793
Surface area
98965447613330784
Volume
2.1183538886931E+24
Space diagonal
222447125.8674
Perimeter
385289724
Area
7.1422159775035E+15
Altitude
111223562.9337
Surface area
7.1422159775035E+15
Volume
2.496503999413E+23
Height
60542439.235976