129291285 is an odd 9-digits composite number following 129291284
and preceding 129291286 . In scientific notation, it is written as 1.29291285 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 68803968 positive integers (up to 129291285) that are relatively prime to 129291285.
129291285 has 8 divisors, whose sum is 138213504
The reverse of 129291285 is 582192921
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million two hundred ninety-one thousand two hundred eighty-five
Scientific notation
1.29291285 × 10^8
Engineering notation
1.29291285 × 10^6
Prime Factorization
15 × 467 × 18457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129291285
Product of the distinct prime numbers
The prime factorization of 129291285 is 15 × 467 × 18457.
Since it has a total of 3 prime factors.
5 , 3 , 60 , 24 , 22 , 442 , 6101 , 1203 , 1477 , 7425 , 910348 , 379158 , 6173466 , 7050216 , 84358255 , 15106788 , 65421834 , 529511161 , 2995411316 , 2781627321
n×2
258582570
n×3
387873855
n×4
517165140
n×5
646456425
n÷2
64645642.5
n÷3
43097095
n÷3
32322821.25
n÷5
25858257
n2
16716236376951225
n3
2.1612636815398E+24
n4
2.7943255861011E+32
n5
3.6128194573539E+40
2 √n
11370.632568156
3 √n
505.65745822966
4 √n
106.63316823651
5 √n
41.909632286571
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
-129291284
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 129291285 can be divided by 8 positive divisors.
The sum of these divisors (counting 129291285) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101001101010000010101
3
Ternary
100000021200022010
4
Quaternary
13231031100111
5
Quinary
231044310120
6
Senary
20455054433
8
Octal
755152025
10
Decimal
129291285
12
Duodecimal
37371419
16
Hexadecimal
7b4d415
20
Vigesimal
2081845
36
Base36
24z5sl
md5
2397d77eb97c682154c6b10a2d0adb1c
sha1
004128b38ce7823928f3e79fd3b58fb76a79bf83
sha256
57fb3b78f0405b0764b78484cc4484299a75416622887341abb76b8c98e63826
sha512
c50936a0446cd504ae2814b846d93659870f54d3f4aea3d5aacfb5dbfea2225dc398386d2b15a326fee0b39298094b70280dc3cc211efc358fbae49b26ef2474
ripemd-160
b5ab5a16c2f67088c72a1738eba5fdfec44380c6
Diameter
258582570
Circumference
812361102.25837
Area
5.25156053975E+16
Volume
9.0530801391944E+24
Surface area
2.1006242159E+17
Circumference
812361102.25837
Perimeter
517165140
Area
16716236376951225
Diagonal
182845488.74365
Surface area
100297418261707350
Volume
2.1612636815398E+24
Space diagonal
223939074.59587
Perimeter
387873855
Area
7.2383426790527E+15
Altitude
111969537.29793
Surface area
7.2383426790527E+15
Volume
2.5470736752483E+23
Height
60948496.247882