129809612 is an even 9-digits composite number following 129809611
and preceding 129809613 . In scientific notation, it is written as 1.29809612 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 64869840 positive integers (up to 129809612) that are relatively prime to 129809612.
129809612 has 12 divisors, whose sum is 227289216
The reverse of 129809612 is 216908921
Previous prime number is 2111
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million eight hundred nine thousand six hundred twelve
Scientific notation
1.29809612 × 10^8
Engineering notation
1.29809612 × 10^6
Prime Factorization
2 × 2 × 2111 × 15373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64904806
Product of the distinct prime numbers
The prime factorization of 129809612 is 2 × 2 × 2111 × 15373.
Since it has a total of 4 prime factors.
5 , 7 , 76 , 44 , 422 , 938 , 1443 , 1933 , 82634 , 33016 , 183396 , 568073 , 4172589 , 6546587 , 73601172 , 41124533 , 205590881 , 998182777 , 7471621995 , 9906281032
n×2
259619224
n×3
389428836
n×4
519238448
n×5
649048060
n÷2
64904806
n÷3
43269870.666667
n÷3
32452403
n÷5
25961922.4
n2
16850535367590544
n3
2.1873614580592E+24
n4
2.8394054217442E+32
n5
3.6858211610731E+40
2 √n
11393.402125792
3 √n
506.33228186538
4 √n
106.73988067162
5 √n
41.943181559156
1 , 2 , 4 , 2111 , 4222 , 8444 , 15373 , 30746 , 61492 , 32452403 , 64904806 , 129809612
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129809611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129809612 can be divided by 12 positive divisors.
The sum of these divisors (counting 129809612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101111001011110011001100
3
Ternary
100001021000022102
4
Quaternary
13233023303030
5
Quinary
231212401422
6
Senary
20514134232
8
Octal
757136314
10
Decimal
129809612
12
Duodecimal
37581378
16
Hexadecimal
7bcbccc
20
Vigesimal
20b640c
36
Base36
25a9qk
md5
4c3905f86c43c5bc59427c8ee75905f1
sha1
18f68594a1fa6f6b36897c062d181f076854c6ee
sha256
153517b3f7c62e7949fb557fb04f6baa93e09a3aa7e9ce4efb28823323d1e46a
sha512
d85d29805fa8bc870a67fc8ebcc98500119892efbfbd1a74a77cc99bc0c81a5780964e6c0867fc9940a2782e87d476e240e24d0ff4e8bcc28cf9197d853573a0
ripemd-160
1e05edb5aabc04737f757aca9bd01696275764e0
Diameter
259619224
Circumference
815617846.84908
Area
5.2937518119877E+16
Volume
9.1623982498457E+24
Surface area
2.1175007247951E+17
Circumference
815617846.84908
Perimeter
519238448
Area
16850535367590544
Diagonal
183578513.81679
Surface area
101103212205543264
Volume
2.1873614580592E+24
Space diagonal
224836843.2948
Perimeter
389428836
Area
7.2964958478508E+15
Altitude
112418421.6474
Surface area
7.2964958478508E+15
Volume
2.5778301998329E+23
Height
61192837.93893