129331388 is an even 9-digits composite number following 129331387
and preceding 129331389 . In scientific notation, it is written as 1.29331388 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors.
There are 64665692 positive integers (up to 129331388) that are relatively prime to 129331388.
129331388 has 6 divisors, whose sum is 226329936
The reverse of 129331388 is 883133921
Previous prime number is 2
Is Prime? no Number parity even Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million three hundred thirty-one thousand three hundred eighty-eight
Scientific notation
1.29331388 × 10^8
Engineering notation
1.29331388 × 10^6
Prime Factorization
2 × 2 × 32332847
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
64665694 Product of the distinct prime numbers
The prime factorization of 129331388 is 2 × 2 × 32332847.
Since it has a total of 3 prime factors.
2 , 6 , 87 , 14 , 158 , 531 , 2554 , 616 , 45590 , 4030 , 339147 , 43612 , 2101834 , 3933742 , 15762854 , 20356999 , 849207115 , 162034521 , 296685771 , 7784821262
n×2
258662776
n×3
387994164
n×4
517325552
n×5
646656940
n÷2
64665694
n÷3
43110462.666667
n÷3
32332847
n÷5
25866277.6
n2
16726607922006544
n3
2.1632754190849E+24
n4
2.7977941257653E+32
n5
3.6184259762348E+40
2 √n11372.395877738
3 √n505.7097336912
4 √n106.64143602624
5 √n41.91223183301
6 divisors
τ Total Divisors
6 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129331387 Sum of the proper positive divisors of n
A Arithmetic Mean
0.16666666666667 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
6 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129331388 can be divided by 6 positive divisors.
The sum of these divisors (counting 129331388) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101101010111000010111100
3
Ternary
100000100201022102
4
Quaternary
13231113002330
5
Quinary
231102101023
6
Senary
20500004232
8
Octal
755270274
10
Decimal
129331388
12
Duodecimal
37390678
16
Hexadecimal
7b570bc
20
Vigesimal
2086898
36
Base36
2500qk
md5
1c5e1d6a1b06abf90b738f26ae58467b
sha1
7218d7ffde0b107537a0dee57d65dd2e5e521690
sha256
d92d352d536ec25695de61603fae5871401c3a91bbebdebdc91f301979df8200
sha512
a5d984c5852e62a6abe91b7972c7f3b0787a04a5fa78d7100d6e140a858f0d68c5570e9be44e0446bcde2276adc463c0bde2d139d2cf331e7637799e1d099dea
ripemd-160
703eb0f49483a65add1b20247b2b734dd8c9f1cb
Diameter
258662776
Circumference
812613076.83874
Area
5.2548188567253E+16
Volume
9.061506885718E+24
Surface area
2.1019275426901E+17
Circumference
812613076.83874
Perimeter
517325552
Area
16726607922006544
Diagonal
182902202.95014
Surface area
100359647532039264
Volume
2.1632754190849E+24
Space diagonal
224008535.0294
Perimeter
387994164
Area
7.2428336897999E+15
Altitude
112004267.5147
Surface area
7.2428336897999E+15
Volume
2.5494445306818E+23
Height
60967400.983379