129128214 is an even 9-digits composite number following 129128213
and preceding 129128215 . In scientific notation, it is written as 1.29128214 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 43042736 positive integers (up to 129128214) that are relatively prime to 129128214.
129128214 has 8 divisors, whose sum is 258256440
The reverse of 129128214 is 412821921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million one hundred twenty-eight thousand two hundred fourteen
Scientific notation
1.29128214 × 10^8
Engineering notation
1.29128214 × 10^6
Prime Factorization
2 × 3 × 21521369
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129128214
Product of the distinct prime numbers
The prime factorization of 129128214 is 2 × 3 × 21521369.
Since it has a total of 3 prime factors.
10 , 6 , 6 , 71 , 795 , 674 , 2271 , 8082 , 51023 , 3107 , 653075 , 727051 , 5430746 , 2022604 , 90794327 , 92969233 , 710586372 , 24557535 , 5808948484 , 7969473812
n×2
258256428
n×3
387384642
n×4
516512856
n×5
645641070
n÷2
64564107
n÷3
43042738
n÷3
32282053.5
n÷5
25825642.8
n2
16674095650829796
n3
2.1530961914568E+24
n4
2.7802546577302E+32
n5
3.5900931841788E+40
2 √n
11363.459596443
3 √n
505.44477888077
4 √n
106.59952906295
5 √n
41.899055090769
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
-129128213
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 129128214 can be divided by 8 positive divisors.
The sum of these divisors (counting 129128214) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101011100010110
3
Ternary
22222222101121110
4
Quaternary
13230211130112
5
Quinary
231024100324
6
Senary
20451355450
8
Octal
754453426
10
Decimal
129128214
12
Duodecimal
372b2b86
16
Hexadecimal
7b25716
20
Vigesimal
20710ae
36
Base36
24vnyu
md5
72ed2f88fde3bf86f4d29bd9dda9b76c
sha1
24edc0d39b2f313f980e8ae1d536a1b8fe534659
sha256
e518a8b1eba0d31df86afd630cd1955fc3829a00c39e1dd2f47129512c9fdc79
sha512
c74beab83a5190c9ad7e32497d983861b85739bf4ee5aa3c258bfe6f376b2cfc7219d1de3e1930e2c9edfbd6ad3d91c682cd1514d3b90629f9616cde5f8bb892
ripemd-160
5d53dc97a1443149c23d2c9903b862b01fb9d991
Diameter
258256428
Circumference
811336496.94714
Area
5.23832164019E+16
Volume
9.0188682367372E+24
Surface area
2.095328656076E+17
Circumference
811336496.94714
Perimeter
516512856
Area
16674095650829796
Diagonal
182614871.52382
Surface area
100044573904978776
Volume
2.1530961914568E+24
Space diagonal
223656627.33863
Perimeter
387384642
Area
7.2200952093751E+15
Altitude
111828313.66931
Surface area
7.2200952093751E+15
Volume
2.5374481958767E+23
Height
60871623.841272