129395894 is an even 9-digits composite number following 129395893
and preceding 129395895 . In scientific notation, it is written as 1.29395894 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 63562752 positive integers (up to 129395894) that are relatively prime to 129395894.
129395894 has 16 divisors, whose sum is 197515248
The reverse of 129395894 is 498593921
Previous prime number is 2113
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million three hundred ninety-five thousand eight hundred ninety-four
Scientific notation
1.29395894 × 10^8
Engineering notation
1.29395894 × 10^6
Prime Factorization
2 × 67 × 2113 × 457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129395894
Product of the distinct prime numbers
The prime factorization of 129395894 is 2 × 67 × 2113 × 457.
Since it has a total of 4 prime factors.
7 , 4 , 68 , 4 , 629 , 967 , 898 , 5579 , 66258 , 13121 , 330363 , 850670 , 5122545 , 4624831 , 2942251 , 44188004 , 756032572 , 11346783 , 8293064931 , 848843863
n×2
258791788
n×3
388187682
n×4
517583576
n×5
646979470
n÷2
64697947
n÷3
43131964.666667
n÷3
32348973.5
n÷5
25879178.8
n2
16743297384059236
n3
2.1665139335182E+24
n4
2.8033800729104E+32
n5
3.6274587075603E+40
2 √n
11375.231602038
3 √n
505.7937965281
4 √n
106.65473080008
5 √n
41.916411871974
1 , 2 , 67 , 134 , 457 , 914 , 2113 , 4226 , 30619 , 61238 , 141571 , 283142 , 965641 , 1931282 , 64697947 , 129395894
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
-129395893
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 129395894 can be divided by 16 positive divisors.
The sum of these divisors (counting 129395894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101100110110010110110
3
Ternary
100000110222210112
4
Quaternary
13231212302312
5
Quinary
231111132034
6
Senary
20501223022
8
Octal
755466266
10
Decimal
129395894
12
Duodecimal
37401a72
16
Hexadecimal
7b66cb6
20
Vigesimal
208e9ee
36
Base36
251eie
md5
e3bf2e93d5ffc108bf841880c1bb33ff
sha1
8d4b0a9a177682e2f70d33f5b6868803568d3ef4
sha256
14158e2c603290fb493e1df52e8358bd85bf595115b627a5e32744b7a4ba6c32
sha512
ce49d71b998f3a5b2d98a2da6e10b8e9933db604598a7f23c5047d8e3f86f4a21948927d12ee5105afb5fb419083676e369b70b208a42495c5d553ddf3f71067
ripemd-160
4540803954c2ad4f1eb3eda7f7f9bdd088aea362
Diameter
258791788
Circumference
813018379.99017
Area
5.260062005863E+16
Volume
9.0750723432543E+24
Surface area
2.1040248023452E+17
Circumference
813018379.99017
Perimeter
517583576
Area
16743297384059236
Diagonal
182993428.21019
Surface area
100459784304355416
Volume
2.1665139335182E+24
Space diagonal
224120262.6988
Perimeter
388187682
Area
7.2500604388564E+15
Altitude
112060131.3494
Surface area
7.2500604388564E+15
Volume
2.5532611565431E+23
Height
60997809.403397