129908085 is an odd 9-digits composite number following 129908084
and preceding 129908086 . In scientific notation, it is written as 1.29908085 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 69284304 positive integers (up to 129908085) that are relatively prime to 129908085.
129908085 has 8 divisors, whose sum is 207852960
The reverse of 129908085 is 580809921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million nine hundred eight thousand eighty-five
Scientific notation
1.29908085 × 10^8
Engineering notation
1.29908085 × 10^6
Prime Factorization
5 × 3 × 8660539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129908085
Product of the distinct prime numbers
The prime factorization of 129908085 is 5 × 3 × 8660539.
Since it has a total of 3 prime factors.
4 , 2 , 72 , 13 , 336 , 977 , 8057 , 9883 , 47590 , 691 , 97404 , 97001 , 5434081 , 6296199 , 83791551 , 11356316 , 767873989 , 220164331 , 799560110 , 6226097710
n×2
259816170
n×3
389724255
n×4
519632340
n×5
649540425
n÷2
64954042.5
n÷3
43302695
n÷3
32477021.25
n÷5
25981617
n2
16876110548367225
n3
2.1923432035867E+24
n4
2.8480310724071E+32
n5
3.699822626369E+40
2 √n
11397.722798875
3 √n
506.46028331679
4 √n
106.7601180164
5 √n
41.949543211644
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
-129908084
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 129908085 can be divided by 8 positive divisors.
The sum of these divisors (counting 129908085) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111100011110101110101
3
Ternary
100001110000101120
4
Quaternary
13233203311311
5
Quinary
231224024320
6
Senary
20520214153
8
Octal
757436565
10
Decimal
129908085
12
Duodecimal
3760a359
16
Hexadecimal
7be3d75
20
Vigesimal
20bia45
36
Base36
25cdpx
md5
a1b8e220ad48e51147a5853d11b09cb0
sha1
f7d29435ccf03c65a97009967369baaf3f2604e0
sha256
803ba43aeb533d0f44b894fc5ca69759c21a1a322533fd25968fe39e937c5fd1
sha512
51c123a4eeadac8ec3c000b5cd2f9986bd6c8451ecc7b406153db02c11585e4faefee2d3f385b6dae89194928cdcc2f977ba4f6888c36a83ab32a77db0ba29df
ripemd-160
5240d8b1c1306a2ae9826f702d600e8d50eb247e
Diameter
259816170
Circumference
816236570.95584
Area
5.301786491992E+16
Volume
9.1832657367139E+24
Surface area
2.1207145967968E+17
Circumference
816236570.95584
Perimeter
519632340
Area
16876110548367225
Diagonal
183717775.66892
Surface area
101256663290203350
Volume
2.1923432035867E+24
Space diagonal
225007403.53398
Perimeter
389724255
Area
7.3075702259803E+15
Altitude
112503701.76699
Surface area
7.3075702259803E+15
Volume
2.5837012432406E+23
Height
61239258.556306