129705906 is an even 9-digits composite number following 129705905
and preceding 129705907 . In scientific notation, it is written as 1.29705906 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 39081680 positive integers (up to 129705906) that are relatively prime to 129705906.
129705906 has 16 divisors, whose sum is 201592800
The reverse of 129705906 is 609507921
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million seven hundred five thousand nine hundred six
Scientific notation
1.29705906 × 10^8
Engineering notation
1.29705906 × 10^6
Prime Factorization
2 × 33 × 179 × 10979
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129705906
Product of the distinct prime numbers
The prime factorization of 129705906 is 2 × 33 × 179 × 10979.
Since it has a total of 4 prime factors.
2 , 2 , 53 , 4 , 77 , 723 , 7075 , 6615 , 90518 , 43811 , 44261 , 905483 , 8500617 , 919086 , 59355900 , 88915592 , 617216143 , 875547597 , 8124896584 , 9067438762
n×2
259411812
n×3
389117718
n×4
518823624
n×5
648529530
n÷2
64852953
n÷3
43235302
n÷3
32426476.5
n÷5
25941181.2
n2
16823622051280836
n3
2.182123140363E+24
n4
2.8303425892434E+32
n5
3.671121498282E+40
2 √n
11388.850073647
3 √n
506.19740822363
4 √n
106.71855543272
5 √n
41.936477663797
1 , 2 , 33 , 66 , 179 , 358 , 5907 , 10979 , 11814 , 21958 , 362307 , 724614 , 1965241 , 3930482 , 64852953 , 129705906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129705905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129705906 can be divided by 16 positive divisors.
The sum of these divisors (counting 129705906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110110010011110110010
3
Ternary
100001001202001110
4
Quaternary
13232302132302
5
Quinary
231201042111
6
Senary
20512014150
8
Octal
756623662
10
Decimal
129705906
12
Duodecimal
37531356
16
Hexadecimal
7bb27b2
20
Vigesimal
20ad4f6
36
Base36
2581pu
md5
1848c4ed981ec98a696d4ffb9642d1a4
sha1
4817a39c479b6f12453fe80c8baf6043617d710e
sha256
27ba5a0906c8b85153f03959d037c2937ecd05e3b9f63173dd41cb20eb8d9bf9
sha512
40031b09a80a6d7dc50f48e190fa02abae7cad40c6dcc6c3af14fa67311868c4fcd61a4be4da9b09add88e9d3f77ce0639f7c72ab47d7932053a23622daf81cb
ripemd-160
f684371ae486bdbdc8570fd591e53dbfd6768da7
Diameter
259411812
Circumference
814966242.83362
Area
5.2852967443075E+16
Volume
9.1404560359901E+24
Surface area
2.114118697723E+17
Circumference
814966242.83362
Perimeter
518823624
Area
16823622051280836
Diagonal
183431851.38509
Surface area
100941732307685016
Volume
2.182123140363E+24
Space diagonal
224657219.23375
Perimeter
389117718
Area
7.2848420400386E+15
Altitude
112328609.61688
Surface area
7.2848420400386E+15
Volume
2.5716567832246E+23
Height
61143950.461697