129538439 is an odd 9-digits composite number following 129538438
and preceding 129538440 . In scientific notation, it is written as 1.29538439 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 126321336 positive integers (up to 129538439) that are relatively prime to 129538439.
129538439 has 8 divisors, whose sum is 132775680
The reverse of 129538439 is 934835921
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million five hundred thirty-eight thousand four hundred thirty-nine
Scientific notation
1.29538439 × 10^8
Engineering notation
1.29538439 × 10^6
Prime Factorization
47 × 283 × 9739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129538439
Product of the distinct prime numbers
The prime factorization of 129538439 is 47 × 283 × 9739.
Since it has a total of 3 prime factors.
9 , 8 , 67 , 79 , 381 , 5 , 9048 , 871 , 93656 , 82570 , 650739 , 564226 , 1036288 , 5235374 , 46502429 , 31507366 , 248978314 , 998070247 , 5014478289 , 1816862177
n×2
259076878
n×3
388615317
n×4
518153756
n×5
647692195
n÷2
64769219.5
n÷3
43179479.666667
n÷3
32384609.75
n÷5
25907687.8
n2
16780207178556721
n3
2.1736818440068E+24
n4
2.8157535295529E+32
n5
3.6474831682702E+40
2 √n
11381.495464129
3 √n
505.97945908586
4 √n
106.68409189813
5 √n
41.925642989941
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
-129538438
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 129538439 can be divided by 8 positive divisors.
The sum of these divisors (counting 129538439) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110001001100110000111
3
Ternary
100000202020022222
4
Quaternary
13232021212013
5
Quinary
231130212224
6
Senary
20504242555
8
Octal
756114607
10
Decimal
129538439
12
Duodecimal
3747045b
16
Hexadecimal
7b89987
20
Vigesimal
209c61j
36
Base36
254ghz
md5
8502981e18a63b634b7496cdfbab447c
sha1
70ed7445abc1fed98b01568083731dee08578f15
sha256
8655ee456901ec50221a88f5eecfc2bd94256058c6d566955be2b72ae2bc282c
sha512
5e9270cabefd67a4a872e1896cdf0c4dc1a0ba6ca4b4f00f7f9a9626234736e0ff5ec1e7e95ac0bc9957092a4ac1ea9e19da6e83074023d0857e6b3af0566e07
ripemd-160
d4ea35cb591756cb8e66cff3cb8951aef3cbd9e3
Diameter
259076878
Circumference
813914016.63978
Area
5.2716575597869E+16
Volume
9.1050972164978E+24
Surface area
2.1086630239147E+17
Circumference
813914016.63978
Perimeter
518153756
Area
16780207178556721
Diagonal
183195017.28244
Surface area
100681243071340326
Volume
2.1736818440068E+24
Space diagonal
224367157.88116
Perimeter
388615317
Area
7.2660428486981E+15
Altitude
112183578.94058
Surface area
7.2660428486981E+15
Volume
2.5617086200655E+23
Height
61065005.760813