129672142 is an even 9-digits composite number following 129672141
and preceding 129672143 . In scientific notation, it is written as 1.29672142 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 64836070 positive integers (up to 129672142) that are relatively prime to 129672142.
129672142 has 4 divisors, whose sum is 194508216
The reverse of 129672142 is 241276921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred seventy-two thousand one hundred forty-two
Scientific notation
1.29672142 × 10^8
Engineering notation
1.29672142 × 10^6
Prime Factorization
2 × 64836071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129672142
Product of the distinct prime numbers
The prime factorization of 129672142 is 2 × 64836071.
Since it has a total of 2 prime factors.
10 , 3 , 86 , 13 , 695 , 707 , 9292 , 3036 , 25703 , 72712 , 412347 , 883010 , 7048491 , 9567097 , 4640561 , 66483787 , 663082143 , 219726657 , 2872887704 , 9703415696
n×2
259344284
n×3
389016426
n×4
518688568
n×5
648360710
n÷2
64836071
n÷3
43224047.333333
n÷3
32418035.5
n÷5
25934428.4
n2
16814864410868164
n3
2.1804194855968E+24
n4
2.8273966515588E+32
n5
3.6663458009126E+40
2 √n
11387.367650164
3 √n
506.15348133022
4 √n
106.7116097253
5 √n
41.934294122996
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129672141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129672142 can be divided by 4 positive divisors.
The sum of these divisors (counting 129672142) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110101010001111001110
3
Ternary
100001000000201221
4
Quaternary
13232222033032
5
Quinary
231144002032
6
Senary
20511153554
8
Octal
756521716
10
Decimal
129672142
12
Duodecimal
375158ba
16
Hexadecimal
7baa3ce
20
Vigesimal
20a9072
36
Base36
257bny
md5
e7299add5ed8db1877b3acb1e8b31fdb
sha1
6511f22a0817996a65a86d564b789a1a91e60d62
sha256
dbf06f257746df28ad0b3dea2e0cb70ece55898c22395c9fe8d941b329951618
sha512
ae1d6aa059e32149722d21916a4d307348c452a4b6d5d3d345743ed64d9e325382cd8050bdca05b6e4699dec3d0c0f8b9b1d4361f35fb2e659200b7ecd790e02
ripemd-160
2a948c533931ebae9ad33e7405ad5f3746d284f8
Diameter
259344284
Circumference
814754097.3649
Area
5.2825454504292E+16
Volume
9.1333197835934E+24
Surface area
2.1130181801717E+17
Circumference
814754097.3649
Perimeter
518688568
Area
16814864410868164
Diagonal
183384101.87837
Surface area
100889186465208984
Volume
2.1804194855968E+24
Space diagonal
224598738.27029
Perimeter
389016426
Area
7.2810498705013E+15
Altitude
112299369.13514
Surface area
7.2810498705013E+15
Volume
2.569649006828E+23
Height
61128033.959457