129979904 is an even 9-digits composite number following 129979903
and preceding 129979905 . In scientific notation, it is written as 1.29979904 × 10^8.
The sum of its digits is 50. It has a total of 10 prime factors and 20 positive divisors.
There are 64989696 positive integers (up to 129979904) that are relatively prime to 129979904.
129979904 has 20 divisors, whose sum is 259706964
The reverse of 129979904 is 409979921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million nine hundred seventy-nine thousand nine hundred four
Scientific notation
1.29979904 × 10^8
Engineering notation
1.29979904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 253867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
507734
Product of the distinct prime numbers
The prime factorization of 129979904 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 253867.
Since it has a total of 10 prime factors.
3 , 4 , 94 , 34 , 838 , 73 , 9926 , 4258 , 20097 , 83098 , 864039 , 636311 , 1980500 , 8508425 , 99724860 , 11728667 , 432390388 , 55937143 , 717291485 , 3997674335
n×2
259959808
n×3
389939712
n×4
519919616
n×5
649899520
n÷2
64989952
n÷3
43326634.666667
n÷3
32494976
n÷5
25995980.8
n2
16894775443849216
n3
2.1959812902931E+24
n4
2.8543343729809E+32
n5
3.7100610778396E+40
2 √n
11400.872949033
3 √n
506.55359742213
4 √n
106.77487040045
5 √n
41.954180503043
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 253867 , 507734 , 1015468 , 2030936 , 4061872 , 8123744 , 16247488 , 32494976 , 64989952 , 129979904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129979903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129979904 can be divided by 20 positive divisors.
The sum of these divisors (counting 129979904) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101111110101011000000000
3
Ternary
100001120122220112
4
Quaternary
13233311120000
5
Quinary
231233324104
6
Senary
20521530452
8
Octal
757653000
10
Decimal
129979904
12
Duodecimal
37643a28
16
Hexadecimal
7bf5600
20
Vigesimal
20c79f4
36
Base36
25dx4w
md5
ed8225c338be3340a6ce0facd0a3d4ea
sha1
814517d6aa03daf850a3c8bc06932e8997a7c41e
sha256
aac3e56b56675753f2b6bdf1aceffa22cd3e221006148e5c2de228bc280a8550
sha512
2171699d241fede2471211dd7931596eb7461d993e8718b501ae589d16299a56004a6e983b0ac4b1b4e90fba57291c14cbc0ec51742b60630472fec87171ba7a
ripemd-160
8b1c2da0eba01971fd1b067d957176671f981a74
Diameter
259959808
Circumference
816687823.04141
Area
5.3076502418446E+16
Volume
9.1985049186738E+24
Surface area
2.1230600967378E+17
Circumference
816687823.04141
Perimeter
519919616
Area
16894775443849216
Diagonal
183819343.07275
Surface area
101368652663095296
Volume
2.1959812902931E+24
Space diagonal
225131797.69093
Perimeter
389939712
Area
7.3156523628035E+15
Altitude
112565898.84546
Surface area
7.3156523628035E+15
Volume
2.5879887695417E+23
Height
61273114.357584