129042978 is an even 9-digits composite number following 129042977
and preceding 129042979 . In scientific notation, it is written as 1.29042978 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 42936800 positive integers (up to 129042978) that are relatively prime to 129042978.
129042978 has 16 divisors, whose sum is 258551136
The reverse of 129042978 is 879240921
Previous prime number is 563
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million forty-two thousand nine hundred seventy-eight
Scientific notation
1.29042978 × 10^8
Engineering notation
1.29042978 × 10^6
Prime Factorization
2 × 3 × 563 × 38201
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129042978
Product of the distinct prime numbers
The prime factorization of 129042978 is 2 × 3 × 563 × 38201.
Since it has a total of 4 prime factors.
5 , 8 , 2 , 79 , 407 , 949 , 1002 , 4890 , 49483 , 6808 , 657276 , 297370 , 4604007 , 6493017 , 75006441 , 98800042 , 496018641 , 62405964 , 2281664926 , 6466267783
n×2
258085956
n×3
387128934
n×4
516171912
n×5
645214890
n÷2
64521489
n÷3
43014326
n÷3
32260744.5
n÷5
25808595.6
n2
16652090171108484
n3
2.1488353056044E+24
n4
2.7729210706673E+32
n5
3.5782599271785E+40
2 √n
11359.708534993
3 √n
505.33354170381
4 √n
106.58193343618
5 √n
41.893522216002
1 , 2 , 3 , 6 , 563 , 1126 , 1689 , 3378 , 38201 , 76402 , 114603 , 229206 , 21507163 , 43014326 , 64521489 , 129042978
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
-129042977
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 129042978 can be divided by 16 positive divisors.
The sum of these divisors (counting 129042978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100010000101000100010
3
Ternary
22222211001200120
4
Quaternary
13230100220202
5
Quinary
231013333403
6
Senary
20445501110
8
Octal
754205042
10
Decimal
129042978
12
Duodecimal
37271796
16
Hexadecimal
7b10a22
20
Vigesimal
206a78i
36
Base36
24tu76
md5
b23458065a8fb9529d4eb618ee8cedf9
sha1
e3ee513c357d90bd3013fbfa852c2e118ac50a03
sha256
46bdf98d6b9a101996e3b56aa8a98fe627cdc9e3704720c4dd2755fdc056548d
sha512
a80704bb7b4fac23efed5014a126feb5ebfb9dde10f50e9cbd3da8aa64792cacb9d1a462132094fdd8ce6deff45c1a24b45b96fdce671d513a5d8fb3372b745f
ripemd-160
e7ee8fa6aaf61dea6885f35a62791cc5f0549ca5
Diameter
258085956
Circumference
810800943.3643
Area
5.2314084148469E+16
Volume
9.0010202798147E+24
Surface area
2.0925633659388E+17
Circumference
810800943.3643
Perimeter
516171912
Area
16652090171108484
Diagonal
182494329.61661
Surface area
99912541026650904
Volume
2.1488353056044E+24
Space diagonal
223508994.25599
Perimeter
387128934
Area
7.2105665571446E+15
Altitude
111754497.128
Surface area
7.2105665571446E+15
Volume
2.5324266937432E+23
Height
60831443.205538