129672238 is an even 9-digits composite number following 129672237
and preceding 129672239 . In scientific notation, it is written as 1.29672238 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 63612744 positive integers (up to 129672238) that are relatively prime to 129672238.
129672238 has 8 divisors, whose sum is 198178488
The reverse of 129672238 is 832276921
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million six hundred seventy-two thousand two hundred thirty-eight
Scientific notation
1.29672238 × 10^8
Engineering notation
1.29672238 × 10^6
Prime Factorization
2 × 53 × 1223323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129672238
Product of the distinct prime numbers
The prime factorization of 129672238 is 2 × 53 × 1223323.
Since it has a total of 3 prime factors.
5 , 2 , 5 , 95 , 842 , 920 , 2747 , 4037 , 62518 , 47733 , 612790 , 760372 , 9899155 , 2269426 , 33335491 , 4512721 , 396586334 , 692546149 , 2129971897 , 5729192408
n×2
259344476
n×3
389016714
n×4
518688952
n×5
648361190
n÷2
64836119
n÷3
43224079.333333
n÷3
32418059.5
n÷5
25934447.6
n2
16814889307928644
n3
2.1804243282814E+24
n4
2.8274050243789E+32
n5
3.6663593724366E+40
2 √n
11387.37186536
3 √n
506.15360623682
4 √n
106.71162947571
5 √n
41.934300332026
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
-129672237
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 129672238 can be divided by 8 positive divisors.
The sum of these divisors (counting 129672238) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110101010010000101110
3
Ternary
100001000000212111
4
Quaternary
13232222100232
5
Quinary
231144002423
6
Senary
20511154234
8
Octal
756522056
10
Decimal
129672238
12
Duodecimal
3751597a
16
Hexadecimal
7baa42e
20
Vigesimal
20a90bi
36
Base36
257bqm
md5
b97be24bf15a98595e76dc8966bbda0a
sha1
51b8cbc878e8c731f3d2f9926ca3a44ad0ed96f6
sha256
7d43e7e175b74c9add7d9309ef84f902b1930f8a7ba1388962723253b1b20272
sha512
c50d1094be1bd6f1533b598a80c0130c547f0ddd1538190877bdffc7e97953d6aae15c3a91025a644b1a104881b31d6e1749bfa54e9528ee952909055a3a9e28
ripemd-160
b55e4dd9b4c36cb0283989b35113e4fb43fd4ede
Diameter
259344476
Circumference
814754700.55069
Area
5.2825532720714E+16
Volume
9.133340068583E+24
Surface area
2.1130213088286E+17
Circumference
814754700.55069
Perimeter
518688952
Area
16814889307928644
Diagonal
183384237.64287
Surface area
100889335847571864
Volume
2.1804243282814E+24
Space diagonal
224598904.54716
Perimeter
389016714
Area
7.2810606512448E+15
Altitude
112299452.27358
Surface area
7.2810606512448E+15
Volume
2.5696547139865E+23
Height
61128079.214291