129721366 is an even 9-digits composite number following 129721365
and preceding 129721367 . In scientific notation, it is written as 1.29721366 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 64860682 positive integers (up to 129721366) that are relatively prime to 129721366.
129721366 has 4 divisors, whose sum is 194582052
The reverse of 129721366 is 663127921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million seven hundred twenty-one thousand three hundred sixty-six
Scientific notation
1.29721366 × 10^8
Engineering notation
1.29721366 × 10^6
Prime Factorization
2 × 64860683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129721366
Product of the distinct prime numbers
The prime factorization of 129721366 is 2 × 64860683.
Since it has a total of 2 prime factors.
7 , 6 , 74 , 39 , 357 , 627 , 5423 , 5234 , 43767 , 1615 , 317825 , 790743 , 6688163 , 2249281 , 92617424 , 9471038 , 43802476 , 916583797 , 8732253514 , 3774695641
n×2
259442732
n×3
389164098
n×4
518885464
n×5
648606830
n÷2
64860683
n÷3
43240455.333333
n÷3
32430341.5
n÷5
25944273.2
n2
16827632796905956
n3
2.182903512961E+24
n4
2.831692255475E+32
n5
3.6733098747184E+40
2 √n
11389.528787443
3 √n
506.21751910695
4 √n
106.72173530937
5 √n
41.937477320722
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
-129721365
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 129721366 can be divided by 4 positive divisors.
The sum of these divisors (counting 129721366) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110110110010000010110
3
Ternary
100001002112021001
4
Quaternary
13232312100112
5
Quinary
231202040431
6
Senary
20512213514
8
Octal
756662026
10
Decimal
129721366
12
Duodecimal
3753a29a
16
Hexadecimal
7bb6416
20
Vigesimal
20af386
36
Base36
258dna
md5
9a375a5463c0bf0b656b8b80be2f49e1
sha1
a0c7a2236b6bd678e1248664c4292a4f95874a81
sha256
354470be0226b4c55f08edef9d13c1920e37ac07a55c1c61e6fd99d89a819fa1
sha512
3f5e5eb74f31e8ed953b8d078f340e8283b1481ed2a5b2dbe36fe5174713ec28966e64cac46b18a391b1e39bf1e826643dcd1854ced9b78697372b7927045d0d
ripemd-160
3dba792716ded6d11960cbc26af435e42bb09965
Diameter
259442732
Circumference
815063380.87847
Area
5.2865567572066E+16
Volume
9.143724853085E+24
Surface area
2.1146227028827E+17
Circumference
815063380.87847
Perimeter
518885464
Area
16827632796905956
Diagonal
183453715.12676
Surface area
100965796781435736
Volume
2.182903512961E+24
Space diagonal
224683996.73924
Perimeter
389164098
Area
7.2865787438384E+15
Altitude
112341998.36962
Surface area
7.2865787438384E+15
Volume
2.5725764611511E+23
Height
61151238.375588