129620245 is an odd 9-digits composite number following 129620244
and preceding 129620246 . In scientific notation, it is written as 1.29620245 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 101739456 positive integers (up to 129620245) that are relatively prime to 129620245.
129620245 has 8 divisors, whose sum is 158479416
The reverse of 129620245 is 542026921
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million six hundred twenty thousand two hundred forty-five
Scientific notation
1.29620245 × 10^8
Engineering notation
1.29620245 × 10^6
Prime Factorization
5 × 53 × 489133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129620245
Product of the distinct prime numbers
The prime factorization of 129620245 is 5 × 53 × 489133.
Since it has a total of 3 prime factors.
4 , 2 , 36 , 27 , 110 , 698 , 9225 , 435 , 62355 , 9626 , 973196 , 840365 , 9162833 , 3066870 , 86165674 , 75945992 , 998972052 , 852260654 , 3170530973 , 4384768754
n×2
259240490
n×3
388860735
n×4
518480980
n×5
648101225
n÷2
64810122.5
n÷3
43206748.333333
n÷3
32405061.25
n÷5
25924049
n2
16801407913860025
n3
2.1778026101395E+24
n4
2.8228730788792E+32
n5
3.6590150008822E+40
2 √n
11385.088712874
3 √n
506.08594857189
4 √n
106.70093117154
5 √n
41.930937021766
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
-129620244
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 129620245 can be divided by 8 positive divisors.
The sum of these divisors (counting 129620245) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110011101100100010101
3
Ternary
100000220101112211
4
Quaternary
13232131210111
5
Quinary
231140321440
6
Senary
20510113421
8
Octal
756354425
10
Decimal
129620245
12
Duodecimal
374ab871
16
Hexadecimal
7b9d915
20
Vigesimal
20a2ac5
36
Base36
2567md
md5
beb07ee6219078af5d0bc7c14f76eec8
sha1
e7a149b95a6eb755dfed14fe0b2326b8be94767d
sha256
c3d879d8905e6e8f44fc26fd5c8a8f08bbdf49e8a899b7e64f97898dffb748e3
sha512
6e9a166209ebc8f1f6928bd566892812e0f51df19baadf53b08f80cf742d7e138d2a59a6e545244ddfc84a8cab34012bf60548319ee8fc707be3e677176dbccb
ripemd-160
a131fe37dabc5bb5a853b6edbd994d189f4cd7b7
Diameter
259240490
Circumference
814428018.89702
Area
5.2783179672148E+16
Volume
9.1223582413105E+24
Surface area
2.1113271868859E+17
Circumference
814428018.89702
Perimeter
518480980
Area
16801407913860025
Diagonal
183310708.43712
Surface area
100808447483160150
Volume
2.1778026101395E+24
Space diagonal
224508850.02953
Perimeter
388860735
Area
7.2752230363738E+15
Altitude
112254425.01476
Surface area
7.2752230363738E+15
Volume
2.5665649895256E+23
Height
61103569.479041