129028072 is an even 9-digits composite number following 129028071
and preceding 129028073 . In scientific notation, it is written as 1.29028072 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 64514032 positive integers (up to 129028072) that are relatively prime to 129028072.
129028072 has 8 divisors, whose sum is 241927650
The reverse of 129028072 is 270820921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million twenty-eight thousand seventy-two
Scientific notation
1.29028072 × 10^8
Engineering notation
1.29028072 × 10^6
Prime Factorization
2 × 2 × 2 × 16128509
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32257018
Product of the distinct prime numbers
The prime factorization of 129028072 is 2 × 2 × 2 × 16128509.
Since it has a total of 4 prime factors.
8 , 7 , 56 , 67 , 242 , 295 , 6896 , 8382 , 38441 , 82920 , 324403 , 248203 , 6749624 , 1240914 , 51447347 , 9872770 , 286736560 , 909817724 , 8447837348 , 7846957593
n×2
258056144
n×3
387084216
n×4
516112288
n×5
645140360
n÷2
64514036
n÷3
43009357.333333
n÷3
32257018
n÷5
25805614.4
n2
16648243364037184
n3
2.1480907434485E+24
n4
2.7716400710821E+32
n5
3.5761937464966E+40
2 √n
11359.052425269
3 √n
505.31408360817
4 √n
106.57885543234
5 √n
41.892554331183
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129028071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129028072 can be divided by 8 positive divisors.
The sum of these divisors (counting 129028072) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100001100111111101000
3
Ternary
22222210022020111
4
Quaternary
13230030333220
5
Quinary
231012344242
6
Senary
20445304104
8
Octal
754147750
10
Decimal
129028072
12
Duodecimal
37265034
16
Hexadecimal
7b0cfe8
20
Vigesimal
2068a3c
36
Base36
24tip4
md5
d92893151405bd452b264be44821ed85
sha1
25fcdc7f882673caf401b8ed124f3c124fde2708
sha256
80eb5125f9240c3ebd141793a80a29a043cb7c90a72ee56330663323457fdc7b
sha512
71bef7eb2185fb43254e5da9c89cb833dd7150abc7cfeb82e3412ee841dbd11171a087907188f6cff5cadae3154e6fe56f7c4fa4a49262d25281cc23c1f73fa8
ripemd-160
609d1582925141d2cc7c605850d2964de318a4a9
Diameter
258056144
Circumference
810707286.20411
Area
5.2301999047634E+16
Volume
8.9979014651494E+24
Surface area
2.0920799619054E+17
Circumference
810707286.20411
Perimeter
516112288
Area
16648243364037184
Diagonal
182473249.34925
Surface area
99889460184223104
Volume
2.1480907434485E+24
Space diagonal
223483176.30666
Perimeter
387084216
Area
7.208900840821E+15
Altitude
111741588.15333
Surface area
7.208900840821E+15
Volume
2.5315492188275E+23
Height
60824416.449751