129090972 is an even 9-digits composite number following 129090971
and preceding 129090973 . In scientific notation, it is written as 1.29090972 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 43030320 positive integers (up to 129090972) that are relatively prime to 129090972.
129090972 has 12 divisors, whose sum is 301212296
The reverse of 129090972 is 279090921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million ninety thousand nine hundred seventy-two
Scientific notation
1.29090972 × 10^8
Engineering notation
1.29090972 × 10^6
Prime Factorization
2 × 2 × 3 × 10757581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64545486
Product of the distinct prime numbers
The prime factorization of 129090972 is 2 × 2 × 3 × 10757581.
Since it has a total of 4 prime factors.
6 , 9 , 8 , 14 , 836 , 868 , 4052 , 3114 , 68714 , 98254 , 235771 , 288181 , 2561835 , 9914319 , 87452640 , 55492364 , 592968084 , 200265129 , 41751878 , 8254456913
n×2
258181944
n×3
387272916
n×4
516363888
n×5
645454860
n÷2
64545486
n÷3
43030324
n÷3
32272743
n÷5
25818194.4
n2
16664479051904784
n3
2.151233798684E+24
n4
2.7770486207137E+32
n5
3.584919057392E+40
2 √n
11361.820804783
3 √n
505.39618226035
4 √n
106.59184211178
5 √n
41.896637982055
1 , 2 , 3 , 4 , 6 , 12 , 10757581 , 21515162 , 32272743 , 43030324 , 64545486 , 129090972
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
-129090971
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 129090972 can be divided by 12 positive divisors.
The sum of these divisors (counting 129090972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100011100010110011100
3
Ternary
22222220111112010
4
Quaternary
13230130112130
5
Quinary
231021402342
6
Senary
20450511220
8
Octal
754342634
10
Decimal
129090972
12
Duodecimal
37295510
16
Hexadecimal
7b1c59c
20
Vigesimal
206g78c
36
Base36
24uv8c
md5
fea19032d0a205b7805cc5d65a06abec
sha1
3fd1b63aed3bc1ec1d6dfc26527a22d7c26e42c4
sha256
409ea12c418a0e3680a87da7828061b7e8d1d28bd2d461c2e51c77f6facdcff4
sha512
2c297c6750bf4dd14d5d0f4eccf9c582d751c64046494759b9706ef2c1e9e3efe812c923339228e8da9a272d85ff252a5b070d6073d299aed9f74ddc84ea6521
ripemd-160
a06c1946af76952726f974871b33eeac6cf9816a
Diameter
258181944
Circumference
811102498.55993
Area
5.2353004965365E+16
Volume
9.0110670641331E+24
Surface area
2.0941201986146E+17
Circumference
811102498.55993
Perimeter
516363888
Area
16664479051904784
Diagonal
182562203.38233
Surface area
99986874311428704
Volume
2.151233798684E+24
Space diagonal
223592122.30245
Perimeter
387272916
Area
7.2159310998916E+15
Altitude
111796061.15123
Surface area
7.2159310998916E+15
Volume
2.5352533449453E+23
Height
60854067.794108