128702929 is an odd 9-digits composite number following 128702928
and preceding 128702930 . In scientific notation, it is written as 1.28702929 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 125832096 positive integers (up to 128702929) that are relatively prime to 128702929.
128702929 has 8 divisors, whose sum is 131605760
The reverse of 128702929 is 929207821
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million seven hundred two thousand nine hundred twenty-nine
Scientific notation
1.28702929 × 10^8
Engineering notation
1.28702929 × 10^6
Prime Factorization
103 × 79 × 15817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128702929
Product of the distinct prime numbers
The prime factorization of 128702929 is 103 × 79 × 15817.
Since it has a total of 3 prime factors.
4 , 4 , 4 , 7 , 368 , 959 , 1226 , 2611 , 67978 , 66942 , 962504 , 943849 , 2048881 , 3027982 , 6805078 , 1084462 , 639850331 , 434314784 , 9624273667 , 3706580701
n×2
257405858
n×3
386108787
n×4
514811716
n×5
643514645
n÷2
64351464.5
n÷3
42900976.333333
n÷3
32175732.25
n÷5
25740585.8
n2
16564443933179041
n3
2.1318924514564E+24
n4
2.7438080281543E+32
n5
3.5313612983718E+40
2 √n
11344.731332209
3 √n
504.88927285129
4 √n
106.51164880993
5 √n
41.871419672516
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128702928
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128702929 can be divided by 8 positive divisors.
The sum of these divisors (counting 128702929) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101010111101100111010001
3
Ternary
22222011210020011
4
Quaternary
13222331213101
5
Quinary
230421443204
6
Senary
20434314521
8
Octal
752754721
10
Decimal
128702929
12
Duodecimal
37128a41
16
Hexadecimal
7abd9d1
20
Vigesimal
2047h69
36
Base36
24mjtd
md5
7b7f33895b6094885633218c03e8901c
sha1
03b79ee0e59729affe3e405d6c46e91a6df2bf68
sha256
63b031a7bcae6144e943f1ff52235a8d3af14803e787e9439d257eb0f8a4b300
sha512
ff317c6c833fea9677a3f5bde8853354ff469f04c628e69595ce6840950618dcc74ef2954441e3d6ae8fb3b38f23a4ffaab2bcd4b218a2d3ab0fd23786babf30
ripemd-160
6705cc3c26076e30f86b4a83274b8a49807dd777
Diameter
257405858
Circumference
808664352.48378
Area
5.2038735371275E+16
Volume
8.9300502183187E+24
Surface area
2.081549414851E+17
Circumference
808664352.48378
Perimeter
514811716
Area
16564443933179041
Diagonal
182013427.70894
Surface area
99386663599074246
Volume
2.1318924514564E+24
Space diagonal
222920012.11093
Perimeter
386108787
Area
7.172614622848E+15
Altitude
111460006.05546
Surface area
7.172614622848E+15
Volume
2.5124593486421E+23
Height
60671142.569647