129120008 is an even 9-digits composite number following 129120007
and preceding 129120009 . In scientific notation, it is written as 1.29120008 × 10^8.
The sum of its digits is 23. It has a total of 4 prime factors and 8 positive divisors.
There are 64560000 positive integers (up to 129120008) that are relatively prime to 129120008.
129120008 has 8 divisors, whose sum is 242100030
The reverse of 129120008 is 800021921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 23
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty thousand eight
Scientific notation
1.29120008 × 10^8
Engineering notation
1.29120008 × 10^6
Prime Factorization
2 × 2 × 2 × 16140001
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32280002
Product of the distinct prime numbers
The prime factorization of 129120008 is 2 × 2 × 2 × 16140001.
Since it has a total of 4 prime factors.
6 , 4 , 71 , 91 , 483 , 953 , 4708 , 2361 , 41566 , 11455 , 957753 , 412215 , 9279385 , 9142334 , 97608660 , 82185134 , 42910802 , 117959807 , 7407277255 , 4160915734
n×2
258240016
n×3
387360024
n×4
516480032
n×5
645600040
n÷2
64560004
n÷3
43040002.666667
n÷3
32280002
n÷5
25824001.6
n2
16671976465920064
n3
2.1526857346554E+24
n4
2.7795479928019E+32
n5
3.5889525906697E+40
2 √n
11363.09852109
3 √n
505.43407177659
4 √n
106.5978354428
5 √n
41.898522546601
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
-129120007
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 129120008 can be divided by 8 positive divisors.
The sum of these divisors (counting 129120008) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011011100001000
3
Ternary
22222221222100112
4
Quaternary
13230203130020
5
Quinary
231023320013
6
Senary
20451253452
8
Octal
754433410
10
Decimal
129120008
12
Duodecimal
372aa288
16
Hexadecimal
7b23708
20
Vigesimal
2070008
36
Base36
24vhmw
md5
493081f147720fab1598209e3d4d3499
sha1
a53d0195d664ba22300cb38b2b8718aad6b25507
sha256
1ca9ae2c794fc03b79a7f091992359258303a55bd8399251d563cf57a1ba5419
sha512
7b8212ab0bf56afc3591233d4234cacb6b253a355d3147afb6116f1ed513411e9354bd154ca7f334a23ee6f91e034395a6968927f5d6465789784034ba521095
ripemd-160
bc3202f0a2a930bea2cc71c0b996ff4507acd835
Diameter
258240016
Circumference
811284937.12851
Area
5.2376558786156E+16
Volume
9.017148919308E+24
Surface area
2.0950623514463E+17
Circumference
811284937.12851
Perimeter
516480032
Area
16671976465920064
Diagonal
182603266.48732
Surface area
100031858795520384
Volume
2.1526857346554E+24
Space diagonal
223642414.1297
Perimeter
387360024
Area
7.2191775753915E+15
Altitude
111821207.06485
Surface area
7.2191775753915E+15
Volume
2.5369644678973E+23
Height
60867755.495774