129242581 is an odd 9-digits composite number following 129242580
and preceding 129242582 . In scientific notation, it is written as 1.29242581 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 118868880 positive integers (up to 129242581) that are relatively prime to 129242581.
129242581 has 12 divisors, whose sum is 140456160
The reverse of 129242581 is 185242921
Previous prime number is 311
Is Prime? no Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
one hundred twenty-nine million two hundred forty-two thousand five hundred eighty-one
Scientific notation
1.29242581 × 10^8
Engineering notation
1.29242581 × 10^6
Prime Factorization
13 × 13 × 311 × 2459
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
9941737 Product of the distinct prime numbers
The prime factorization of 129242581 is 13 × 13 × 311 × 2459.
Since it has a total of 4 prime factors.
10 , 9 , 30 , 56 , 429 , 82 , 8155 , 791 , 89374 , 19973 , 475108 , 930299 , 8913843 , 3781914 , 1082122 , 20788494 , 417490525 , 314255802 , 6404604836 , 1069328075
n×2
258485162
n×3
387727743
n×4
516970324
n×5
646212905
n÷2
64621290.5
n÷3
43080860.333333
n÷3
32310645.25
n÷5
25848516.2
n2
16703644743541561
n3
2.1588221587624E+24
n4
2.7901174771844E+32
n5
3.6060198404453E+40
2 √n11368.490708973
3 √n505.59395656908
4 √n106.62312464458
5 √n41.906474340754
1 , 13 , 169 , 311 , 2459 , 4043 , 31967 , 52559 , 415571 , 764749 , 9941737 , 129242581
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129242580 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129242581 can be divided by 12 positive divisors.
The sum of these divisors (counting 129242581) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101000001010111010101
3
Ternary
100000012012111021
4
Quaternary
13231001113111
5
Quinary
231041230311
6
Senary
20454041141
8
Octal
755012725
10
Decimal
129242581
12
Duodecimal
373491b1
16
Hexadecimal
7b415d5
20
Vigesimal
207f691
36
Base36
24y47p
md5
a7cd264c57b8476cf0be94becafd23e5
sha1
5c21b5eb81f4f76d1f7ed07f7c0ad34c4cecf954
sha256
db9c811e6c963cc5330dc1612b2ad97de1c77bba8a5aa59cd1755f5e9db2b1a6
sha512
9f0192e409d3f94c92c4a96a59501e3eddca36e6c66a447d458fce81164a52ed762d073a3757cb38c7e649ee11707592f4c014f23aeff9be5def6c510db4ad54
ripemd-160
4cad9a9a4bbd6ecd7c98c771898035e25955f503
Diameter
258485162
Circumference
812055086.00117
Area
5.2476047614484E+16
Volume
9.0428531124997E+24
Surface area
2.0990419045794E+17
Circumference
812055086.00117
Perimeter
516970324
Area
16703644743541561
Diagonal
182776610.8863
Surface area
100221868461249366
Volume
2.1588221587624E+24
Space diagonal
223854716.79334
Perimeter
387727743
Area
7.2328903418487E+15
Altitude
111927358.39667
Surface area
7.2328903418487E+15
Volume
2.5441963130611E+23
Height
60925536.962101