129976906 is an even 9-digits composite number following 129976905
and preceding 129976907 . In scientific notation, it is written as 1.29976906 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 64964268 positive integers (up to 129976906) that are relatively prime to 129976906.
129976906 has 8 divisors, whose sum is 195037920
The reverse of 129976906 is 609679921
Previous prime number is 3079
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-nine million nine hundred seventy-six thousand nine hundred six
Scientific notation
1.29976906 × 10^8
Engineering notation
1.29976906 × 10^6
Prime Factorization
2 × 3079 × 21107
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129976906
Product of the distinct prime numbers
The prime factorization of 129976906 is 2 × 3079 × 21107.
Since it has a total of 3 prime factors.
4 , 7 , 96 , 37 , 98 , 35 , 6422 , 2976 , 95245 , 13630 , 400610 , 82692 , 4738929 , 3218043 , 86618883 , 1591918 , 983934375 , 283763391 , 6007518964 , 3362762248
n×2
259953812
n×3
389930718
n×4
519907624
n×5
649884530
n÷2
64988453
n÷3
43325635.333333
n÷3
32494226.5
n÷5
25995381.2
n2
16893996093332836
n3
2.1958293421875E+24
n4
2.8540710400155E+32
n5
3.7096332328541E+40
2 √n
11400.741467115
3 √n
506.54970282172
4 √n
106.77425470175
5 √n
41.953986965751
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
-129976905
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 129976906 can be divided by 8 positive divisors.
The sum of these divisors (counting 129976906) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111110100101001001010
3
Ternary
100001120111210111
4
Quaternary
13233310221022
5
Quinary
231233230111
6
Senary
20521504534
8
Octal
757645112
10
Decimal
129976906
12
Duodecimal
3764214a
16
Hexadecimal
7bf4a4a
20
Vigesimal
20c7256
36
Base36
25dutm
md5
27f5dc9af30beb56a97a58f38a69f539
sha1
1f173c9c9623c0b7a49890b4cad90c164b70adaf
sha256
fc5d112137dc4c12f0f7ebcdd3bb7b56874bc7fcbffc83e8b0c44ba7df1e604a
sha512
6d236c54d9229430fd68e0b65185aa6b4a763a03a8e155d3dba97e9f4fdb058a815a851c3532f76890e36c1e46398175c0836417f0b2585dee637c13bd247e9b
ripemd-160
f6e0006969edc0648cc45828e543e2a0a9f9656b
Diameter
259953812
Circumference
816668986.05186
Area
5.3074054016589E+16
Volume
9.1978684399375E+24
Surface area
2.1229621606636E+17
Circumference
816668986.05186
Perimeter
519907624
Area
16893996093332836
Diagonal
183815103.26049
Surface area
101363976559997016
Volume
2.1958293421875E+24
Space diagonal
225126605.0026
Perimeter
389930718
Area
7.3153148941306E+15
Altitude
112563302.5013
Surface area
7.3153148941306E+15
Volume
2.5878096969819E+23
Height
61271701.086831