129121796 is an even 9-digits composite number following 129121795
and preceding 129121797 . In scientific notation, it is written as 1.29121796 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 61162920 positive integers (up to 129121796) that are relatively prime to 129121796.
129121796 has 12 divisors, whose sum is 237856080
The reverse of 129121796 is 697121921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-one thousand seven hundred ninety-six
Scientific notation
1.29121796 × 10^8
Engineering notation
1.29121796 × 10^6
Prime Factorization
2 × 2 × 19 × 1698971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64560898
Product of the distinct prime numbers
The prime factorization of 129121796 is 2 × 2 × 19 × 1698971.
Since it has a total of 4 prime factors.
7 , 3 , 99 , 63 , 662 , 694 , 3764 , 1006 , 98886 , 38463 , 698043 , 786270 , 1690181 , 3602717 , 31578949 , 12482609 , 748933686 , 577026209 , 382848273 , 3517486482
n×2
258243592
n×3
387365388
n×4
516487184
n×5
645608980
n÷2
64560898
n÷3
43040598.666667
n÷3
32280449
n÷5
25824359.2
n2
16672438202265616
n3
2.1527751643755E+24
n4
2.7797019560837E+32
n5
3.5892010891424E+40
2 √n
11363.177196541
3 √n
505.43640477921
4 √n
106.59820447147
5 √n
41.89863858461
1 , 2 , 4 , 19 , 38 , 76 , 1698971 , 3397942 , 6795884 , 32280449 , 64560898 , 129121796
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
-129121795
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 129121796 can be divided by 12 positive divisors.
The sum of these divisors (counting 129121796) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100011111000000100
3
Ternary
22222222001210202
4
Quaternary
13230203320010
5
Quinary
231023344141
6
Senary
20451310032
8
Octal
754437004
10
Decimal
129121796
12
Duodecimal
372ab318
16
Hexadecimal
7b23e04
20
Vigesimal
207049g
36
Base36
24vj0k
md5
def626a6b8da192953df5ed582adb4cc
sha1
5c8aec683c74a114055b181db14c67b674f9e706
sha256
327ac995021d1c8bb9d2c4a00468b9eaf64615c174e4d101c74018c7d9d9cb0c
sha512
467bf51f41eab8426922d9ea5691fbc5e6fe9af4c4227424b7555057048553cb6eb8c0d173d0839de034d43471acfb8109edc20f742c552d6ca519f2a993fe18
ripemd-160
7e0970b8a89546bde647f7b489e137cfc8aa30c8
Diameter
258243592
Circumference
811296171.46384
Area
5.2378009373667E+16
Volume
9.0175235216437E+24
Surface area
2.0951203749467E+17
Circumference
811296171.46384
Perimeter
516487184
Area
16672438202265616
Diagonal
182605795.10117
Surface area
100034629213593696
Volume
2.1527751643755E+24
Space diagonal
223645511.03654
Perimeter
387365388
Area
7.2193775130941E+15
Altitude
111822755.51827
Surface area
7.2193775130941E+15
Volume
2.5370698618332E+23
Height
60868598.367057