129281109 is an odd 9-digits composite number following 129281108
and preceding 129281110 . In scientific notation, it is written as 1.29281109 × 10^8.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 86187404 positive integers (up to 129281109) that are relatively prime to 129281109.
129281109 has 4 divisors, whose sum is 172374816
The reverse of 129281109 is 901182921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million two hundred eighty-one thousand one hundred nine
Scientific notation
1.29281109 × 10^8
Engineering notation
1.29281109 × 10^6
Prime Factorization
3 × 43093703
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129281109
Product of the distinct prime numbers
The prime factorization of 129281109 is 3 × 43093703.
Since it has a total of 2 prime factors.
4 , 9 , 22 , 64 , 960 , 200 , 7757 , 2645 , 21027 , 93614 , 563648 , 724562 , 5119515 , 944875 , 47704779 , 14308067 , 830208376 , 981757896 , 150451655 , 8811590111
n×2
258562218
n×3
387843327
n×4
517124436
n×5
646405545
n÷2
64640554.5
n÷3
43093703
n÷3
32320277.25
n÷5
25856221.8
n2
16713605144269881
n3
2.1607534084393E+24
n4
2.7934459691856E+32
n5
3.611397928279E+40
2 √n
11370.185090842
3 √n
505.64419178948
4 √n
106.63107000702
5 √n
41.90897255789
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129281108
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129281109 can be divided by 4 positive divisors.
The sum of these divisors (counting 129281109) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101001010110001010101
3
Ternary
100000021011100020
4
Quaternary
13231022301111
5
Quinary
231043443414
6
Senary
20454535353
8
Octal
755126125
10
Decimal
129281109
12
Duodecimal
37367559
16
Hexadecimal
7b4ac55
20
Vigesimal
20802f9
36
Base36
24yxxx
md5
552dbd23a5a764dbb8c1c20e92d4b817
sha1
3608e65a162e49ec13e2a73ef74cfee13156b7ac
sha256
eff1fe4ec539231da2c413f5455b78e9222b54ed8b86f0daede1eee6a7e5eeb9
sha512
26d92eff613b980316c05a69327f4ab39892f9348f7694da81be19e1c20d282fd4df315173b418217886bb4718461a0dd4cbe2ec9383bef8f8050247e5fbc24b
ripemd-160
d420ff9eba499f66323c73149a3e60caf337aed3
Diameter
258562218
Circumference
812297164.56468
Area
5.2507339136239E+16
Volume
9.0509427122294E+24
Surface area
2.1002935654496E+17
Circumference
812297164.56468
Perimeter
517124436
Area
16713605144269881
Diagonal
182831097.70643
Surface area
100281630865619286
Volume
2.1607534084393E+24
Space diagonal
223921449.24685
Perimeter
387843327
Area
7.23720332188E+15
Altitude
111960724.62343
Surface area
7.23720332188E+15
Volume
2.5464723126323E+23
Height
60943699.235478