129660638 is an even 9-digits composite number following 129660637
and preceding 129660639 . In scientific notation, it is written as 1.29660638 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 64830318 positive integers (up to 129660638) that are relatively prime to 129660638.
129660638 has 4 divisors, whose sum is 194490960
The reverse of 129660638 is 836066921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-nine million six hundred sixty thousand six hundred thirty-eight
Scientific notation
1.29660638 × 10^8
Engineering notation
1.29660638 × 10^6
Prime Factorization
2 × 64830319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129660638
Product of the distinct prime numbers
The prime factorization of 129660638 is 2 × 64830319.
Since it has a total of 2 prime factors.
10 , 8 , 34 , 86 , 992 , 175 , 9217 , 5573 , 95046 , 96360 , 886805 , 529559 , 2461958 , 8117249 , 90508447 , 91487046 , 325254790 , 504500267 , 9269192794 , 702944341
n×2
259321276
n×3
388981914
n×4
518642552
n×5
648303190
n÷2
64830319
n÷3
43220212.666667
n÷3
32415159.5
n÷5
25932127.6
n2
16811881046567044
n3
2.179839222478E+24
n4
2.8263934432392E+32
n5
3.6647197708941E+40
2 √n
11386.862517832
3 √n
506.13851290868
4 √n
106.70924288848
5 √n
41.933550047619
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
-129660637
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 129660638 can be divided by 4 positive divisors.
The sum of these divisors (counting 129660638) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110100111011011011110
3
Ternary
100000222102221212
4
Quaternary
13232213123132
5
Quinary
231143120023
6
Senary
20511024422
8
Octal
756473336
10
Decimal
129660638
12
Duodecimal
3750b112
16
Hexadecimal
7ba76de
20
Vigesimal
20a7bbi
36
Base36
2572se
md5
2a26645d30ff15b0b9a6f03cb0732f33
sha1
3ae1014c67b1836b94710b88d362640b9438008b
sha256
9a4b826150a53b20ce762efcc131bcb5c509bd54a38e4d1ca3243fe400989325
sha512
259c29fa9b7bbc53f73eda303d41f5528ea9d32c95abae8c978da5176c90c71e72564a966fbd91311a072959fe4acf1b42a873d8a0fbc7b66b75ddc249deaa32
ripemd-160
a02af0fe5a6544da0b56be9d420b367f0121c53c
Diameter
259321276
Circumference
814681815.60113
Area
5.2816081988921E+16
Volume
9.130889183125E+24
Surface area
2.1126432795568E+17
Circumference
814681815.60113
Perimeter
518642552
Area
16811881046567044
Diagonal
183367832.76555
Surface area
100871286279402264
Volume
2.179839222478E+24
Space diagonal
224578812.7578
Perimeter
388981914
Area
7.2797580358646E+15
Altitude
112289406.3789
Surface area
7.2797580358646E+15
Volume
2.5689651601843E+23
Height
61122610.921849