129123492 is an even 9-digits composite number following 129123491
and preceding 129123493 . In scientific notation, it is written as 1.29123492 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 43041160 positive integers (up to 129123492) that are relatively prime to 129123492.
129123492 has 12 divisors, whose sum is 301288176
The reverse of 129123492 is 294321921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million one hundred twenty-three thousand four hundred ninety-two
Scientific notation
1.29123492 × 10^8
Engineering notation
1.29123492 × 10^6
Prime Factorization
2 × 2 × 3 × 10760291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64561746
Product of the distinct prime numbers
The prime factorization of 129123492 is 2 × 2 × 3 × 10760291.
Since it has a total of 4 prime factors.
2 , 6 , 85 , 84 , 721 , 934 , 7799 , 2729 , 84767 , 62371 , 297796 , 695706 , 2824079 , 4395764 , 31709554 , 39090146 , 842490870 , 116050188 , 3063289052 , 7268866907
n×2
258246984
n×3
387370476
n×4
516493968
n×5
645617460
n÷2
64561746
n÷3
43041164
n÷3
32280873
n÷5
25824698.4
n2
16672876186274064
n3
2.1528599948553E+24
n4
2.7798480032282E+32
n5
3.5894368140606E+40
2 √n
11363.251823312
3 √n
505.43861771928
4 √n
106.59855450855
5 √n
41.898748650796
1 , 2 , 3 , 4 , 6 , 12 , 10760291 , 21520582 , 32280873 , 43041164 , 64561746 , 129123492
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
-129123491
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 129123492 can be divided by 12 positive divisors.
The sum of these divisors (counting 129123492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100100010010100100
3
Ternary
22222222011010120
4
Quaternary
13230210102210
5
Quinary
231023422432
6
Senary
20451321540
8
Octal
754442244
10
Decimal
129123492
12
Duodecimal
372b02b0
16
Hexadecimal
7b244a4
20
Vigesimal
20708ec
36
Base36
24vkbo
md5
f8e71652e5f10592c78eccec7d34f4b9
sha1
3fa55945cdce57bd116f5d7657d7c4617024e3da
sha256
7fa57f79ab7a60486e6c61f56909626220b9936eaf98c2304ff5c72b308d99a5
sha512
5e0368f08973e6605ad2b1adccffc38029961585a7e6a7062461458cdca8ae69881cc9e2c8eb732f2620ab84e5afce7f1ceecb4356e93c69b58b0df2d5819757
ripemd-160
c3b87d485df96248fa2e183dcbf100ea782d7c78
Diameter
258246984
Circumference
811306827.74612
Area
5.2379385341011E+16
Volume
9.0178788587266E+24
Surface area
2.0951754136404E+17
Circumference
811306827.74612
Perimeter
516493968
Area
16672876186274064
Diagonal
182608193.60737
Surface area
100037257117644384
Volume
2.1528599948553E+24
Space diagonal
223648448.59471
Perimeter
387370476
Area
7.219567165733E+15
Altitude
111824224.29736
Surface area
7.219567165733E+15
Volume
2.5371698355124E+23
Height
60869397.869125