129392731 is an odd 9-digits composite number following 129392730
and preceding 129392732 . In scientific notation, it is written as 1.29392731 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 119439432 positive integers (up to 129392731) that are relatively prime to 129392731.
129392731 has 4 divisors, whose sum is 139346032
The reverse of 129392731 is 137293921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million three hundred ninety-two thousand seven hundred thirty-one
Scientific notation
1.29392731 × 10^8
Engineering notation
1.29392731 × 10^6
Prime Factorization
13 × 9953287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129392731
Product of the distinct prime numbers
The prime factorization of 129392731 is 13 × 9953287.
Since it has a total of 2 prime factors.
1 , 2 , 73 , 35 , 91 , 680 , 4510 , 6493 , 79102 , 39484 , 461885 , 174118 , 7815450 , 5903864 , 95904931 , 63391123 , 159768117 , 343072595 , 2449973806 , 2413519728
n×2
258785462
n×3
388178193
n×4
517570924
n×5
646963655
n÷2
64696365.5
n÷3
43130910.333333
n÷3
32348182.75
n÷5
25878546.2
n2
16742478835638361
n3
2.1663550602529E+24
n4
2.803105975618E+32
n5
3.6270153746763E+40
2 √n
11375.092571052
3 √n
505.78967522572
4 √n
106.65407901741
5 √n
41.916206945986
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129392730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129392731 can be divided by 4 positive divisors.
The sum of these divisors (counting 129392731) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101100110000001011011
3
Ternary
100000110211110101
4
Quaternary
13231212001123
5
Quinary
231111031411
6
Senary
20501200231
8
Octal
755460133
10
Decimal
129392731
12
Duodecimal
37400077
16
Hexadecimal
7b6605b
20
Vigesimal
208e1gb
36
Base36
251c2j
md5
bdcaa32b55ad6c8d410d31eb9f852dea
sha1
cc3e06a29d38157f6255048e0342b9962342de62
sha256
1a876b5135fc2d78d321f9b90bea4024448ff7847d7049a9b43aad10507fef97
sha512
edda84ab7a585ce81035f37cc316ce6e9d337a9f2fbf08b214ae699000bb212ae6532f5bf48817764a0927fffa4e5b9ae75b62d91736dcf54c4ebdf6899c36af
ripemd-160
1540075efe5b6fd39926ae79fc30698f76f65bb0
Diameter
258785462
Circumference
812998506.27504
Area
5.2598048512924E+16
Volume
9.074406856477E+24
Surface area
2.103921940517E+17
Circumference
812998506.27504
Perimeter
517570924
Area
16742478835638361
Diagonal
182988955.05269
Surface area
100454873013830166
Volume
2.1663550602529E+24
Space diagonal
224114784.22209
Perimeter
388178193
Area
7.2497059969931E+15
Altitude
112057392.11105
Surface area
7.2497059969931E+15
Volume
2.5530739226044E+23
Height
60996318.350898