129439238 is an even 9-digits composite number following 129439237
and preceding 129439239 . In scientific notation, it is written as 1.29439238 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 62487880 positive integers (up to 129439238) that are relatively prime to 129439238.
129439238 has 8 divisors, whose sum is 200854080
The reverse of 129439238 is 832934921
Previous prime number is 29
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million four hundred thirty-nine thousand two hundred thirty-eight
Scientific notation
1.29439238 × 10^8
Engineering notation
1.29439238 × 10^6
Prime Factorization
2 × 29 × 2231711
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129439238
Product of the distinct prime numbers
The prime factorization of 129439238 is 2 × 29 × 2231711.
Since it has a total of 3 prime factors.
7 , 6 , 13 , 96 , 642 , 397 , 8151 , 9367 , 94765 , 26677 , 257661 , 982454 , 5430902 , 9017382 , 22807522 , 40628663 , 724915416 , 836579439 , 9155373399 , 1521386068
n×2
258878476
n×3
388317714
n×4
517756952
n×5
647196190
n÷2
64719619
n÷3
43146412.666667
n÷3
32359809.5
n÷5
25887847.6
n2
16754516334020644
n3
2.1686918273342E+24
n4
2.8071381758696E+32
n5
3.6335382644528E+40
2 √n
11377.136634496
3 √n
505.85026580806
4 √n
106.6636612652
5 √n
41.919219660559
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
-129439237
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 129439238 can be divided by 8 positive divisors.
The sum of these divisors (counting 129439238) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101110001011000000110
3
Ternary
100000120012020212
4
Quaternary
13231301120012
5
Quinary
231114023423
6
Senary
20502155422
8
Octal
755613006
10
Decimal
129439238
12
Duodecimal
37422b72
16
Hexadecimal
7b71606
20
Vigesimal
208ji1i
36
Base36
252bye
md5
c3f15fe4b4fcb47ca0947a094613cc48
sha1
3f0532638e006380ebf8797576149ac1699d5c9e
sha256
0a401df647c607502921d60a40f44b78d71f887bb63ecce1dcbcaea426c49f94
sha512
d37dd696be45f65fe678fa7335e558de187b7bf07ca5cca51067d1a59ee899444d61104becc52a1566e71393984bcbbb9199bc06e14b8ff5e0b686a280aa1f55
ripemd-160
689a66987881c8ef6ef74a14041d3d6eb4073816
Diameter
258878476
Circumference
813290718.37412
Area
5.2635865429409E+16
Volume
9.0841950835377E+24
Surface area
2.1054346171764E+17
Circumference
813290718.37412
Perimeter
517756952
Area
16754516334020644
Diagonal
183054725.88284
Surface area
100527098004123864
Volume
2.1686918273342E+24
Space diagonal
224195336.709
Perimeter
388317714
Area
7.2549183866916E+15
Altitude
112097668.3545
Surface area
7.2549183866916E+15
Volume
2.5558278290197E+23
Height
61018241.960946