129128327 is an odd 9-digits composite number following 129128326
and preceding 129128328 . In scientific notation, it is written as 1.29128327 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 129101856 positive integers (up to 129128327) that are relatively prime to 129128327.
129128327 has 4 divisors, whose sum is 129154800
The reverse of 129128327 is 723821921
Previous prime number is 20023
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million one hundred twenty-eight thousand three hundred twenty-seven
Scientific notation
1.29128327 × 10^8
Engineering notation
1.29128327 × 10^6
Prime Factorization
20023 × 6449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129128327
Product of the distinct prime numbers
The prime factorization of 129128327 is 20023 × 6449.
Since it has a total of 2 prime factors.
1 , 1 , 21 , 94 , 458 , 490 , 6074 , 2347 , 3480 , 88355 , 429467 , 44875 , 6990495 , 1307611 , 90277912 , 53725210 , 987714569 , 771048220 , 2419973115 , 9016025981
n×2
258256654
n×3
387384981
n×4
516513308
n×5
645641635
n÷2
64564163.5
n÷3
43042775.666667
n÷3
32282081.75
n÷5
25825665.4
n2
16674124833818929
n3
2.1531018439802E+24
n4
2.7802643897378E+32
n5
3.5901088926451E+40
2 √n
11363.46456852
3 √n
505.44492631884
4 √n
106.59955238424
5 √n
41.899062423932
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
-129128326
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 129128327 can be divided by 4 positive divisors.
The sum of these divisors (counting 129128327) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100101011110000111
3
Ternary
22222222101202122
4
Quaternary
13230211132013
5
Quinary
231024101302
6
Senary
20451400155
8
Octal
754453607
10
Decimal
129128327
12
Duodecimal
372b305b
16
Hexadecimal
7b25787
20
Vigesimal
20710g7
36
Base36
24vo1z
md5
d4f024ecbbdd77d1befdb94248fae146
sha1
b329c1efc1fac9f7f0186940abdbed4c007c8593
sha256
b4796e795cbe43fbac33dee9ef8c82d2034251b0eb4a1f7b4621c800ee90626d
sha512
8833c60ed54b72207f64abb57906bc202083d589a39d76c4f31c3282bad782674f9b10a1c7a55b4dce4660e66522ede24d2544389ae18ac6b4d14afea2465591
ripemd-160
c3d1ad78dbc6924a2ca6e978aaf742de1aa4e4c3
Diameter
258256654
Circumference
811337206.94708
Area
5.2383308082965E+16
Volume
9.0188919139717E+24
Surface area
2.0953323233186E+17
Circumference
811337206.94708
Perimeter
516513308
Area
16674124833818929
Diagonal
182615031.32995
Surface area
100044749002913574
Volume
2.1531018439802E+24
Space diagonal
223656823.06037
Perimeter
387384981
Area
7.2201078459801E+15
Altitude
111828411.53018
Surface area
7.2201078459801E+15
Volume
2.5374548574394E+23
Height
60871677.109983