129621808 is an even 9-digits composite number following 129621807
and preceding 129621809 . In scientific notation, it is written as 1.29621808 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 10 positive divisors.
There are 64810896 positive integers (up to 129621808) that are relatively prime to 129621808.
129621808 has 10 divisors, whose sum is 251142284
The reverse of 129621808 is 808126921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million six hundred twenty-one thousand eight hundred eight
Scientific notation
1.29621808 × 10^8
Engineering notation
1.29621808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 8101363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16202726
Product of the distinct prime numbers
The prime factorization of 129621808 is 2 × 2 × 2 × 2 × 8101363.
Since it has a total of 5 prime factors.
2 , 9 , 48 , 32 , 954 , 4 , 4515 , 7161 , 9167 , 85585 , 162160 , 604082 , 3740051 , 9947387 , 10885705 , 25710358 , 937225296 , 201362547 , 5631967914 , 1524060637
n×2
259243616
n×3
388865424
n×4
518487232
n×5
648109040
n÷2
64810904
n÷3
43207269.333333
n÷3
32405452
n÷5
25924361.6
n2
16801813109188864
n3
2.1778813928912E+24
n4
2.8230092375611E+32
n5
3.6592356137337E+40
2 √n
11385.157355083
3 √n
506.08798274271
4 √n
106.70125282809
5 √n
41.931038144454
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129621807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129621808 can be divided by 10 positive divisors.
The sum of these divisors (counting 129621808) is 1, the average is 0.1.
Base
System
Value
2
Binary
111101110011101111100110000
3
Ternary
100000220110200201
4
Quaternary
13232131330300
5
Quinary
231140344213
6
Senary
20510124544
8
Octal
756357460
10
Decimal
129621808
12
Duodecimal
374b0754
16
Hexadecimal
7b9df30
20
Vigesimal
20a2ea8
36
Base36
2568ts
md5
b7e0ec865dada20259f4585668e578b6
sha1
d96024adc669370cb4ebdeb7401e305b24c219ce
sha256
4efd839a16481987cc23da04f53b0f73f03723c31990b882d87cdd120dc8cc08
sha512
9f9e6d8644ff3cf75950fb6f4c54550a8ff55fde8ba0f6e423dbc5db78c8090a15ca2c820697bfb809d756a1426a1b6ba7f4d96e72e112ed6b785d1dca08e47b
ripemd-160
98cb1217a58e2a5e70bcf04f3063315bb8b50f30
Diameter
259243616
Circumference
814437839.51565
Area
5.2784452630816E+16
Volume
9.122688245729E+24
Surface area
2.1113781052327E+17
Circumference
814437839.51565
Perimeter
518487232
Area
16801813109188864
Diagonal
183312918.85292
Surface area
100810878655133184
Volume
2.1778813928912E+24
Space diagonal
224511557.22494
Perimeter
388865424
Area
7.275398491098E+15
Altitude
112255778.61247
Surface area
7.275398491098E+15
Volume
2.5666578358889E+23
Height
61104306.284307