20129955 is an odd 8-digits composite number following 20129954
and preceding 20129956 . In scientific notation, it is written as 2.0129955 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 10104320 positive integers (up to 20129955) that are relatively prime to 20129955.
20129955 has 4 divisors, whose sum is 20209152
The reverse of 20129955 is 55992102
Previous prime number is 255
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred twenty-nine thousand nine hundred fifty-five
Scientific notation
2.0129955 × 10^7
Engineering notation
2.0129955 × 10^6
Prime Factorization
255 × 78941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20129955
Product of the distinct prime numbers
The prime factorization of 20129955 is 255 × 78941.
Since it has a total of 2 prime factors.
5 , 10 , 77 , 32 , 255 , 718 , 3837 , 7756 , 26136 , 47502 , 115587 , 43139 , 2014860 , 718043 , 85069910 , 46575589 , 338124210 , 339506149 , 2288772843 , 1986428517
n×2
40259910
n×3
60389865
n×4
80519820
n×5
100649775
n÷2
10064977.5
n÷3
6709985
n÷3
5032488.75
n÷5
4025991
n2
405215088302025
n3
8.1569614928408E+21
n4
1.6419926778762E+29
n5
3.3053238715977E+36
2 √n
4486.6418399511
3 √n
272.02841308579
4 √n
66.982399478901
5 √n
28.891398250631
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129955 can be divided by 4 positive divisors.
The sum of these divisors (counting 20129955) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010100010100011
3
Ternary
1101212201002220
4
Quaternary
1030302202203
5
Quinary
20123124310
6
Senary
1555242123
8
Octal
114624243
10
Decimal
20129955
12
Duodecimal
68a9343
16
Hexadecimal
13328a3
20
Vigesimal
65g4hf
36
Base36
bzgdf
md5
5e0c0682f937f766f55c097176f1c339
sha1
836e7b28c943e62590d7919a31ece40f57d63785
sha256
9ba6300f6701dc8e8bc44a737fc99f8c2dd369f0857f200e699c236eb299ff91
sha512
36c1b724d683409ddc3f0c5d8325c51bff8325e101e6588f090cf9b41c892731fb7d1dba6cee5752406c53d9ae9b00f7faf3cbe099a79ac59497fd8cc8b98470
ripemd-160
a014d7d6c932fa80ae5d8486af103a479674d11c
Diameter
40259910
Circumference
126480237.49019
Area
1.2730207445334E+15
Volume
3.4167800402031E+22
Surface area
5.0920829781335E+15
Circumference
126480237.49019
Perimeter
80519820
Area
405215088302025
Diagonal
28468055.37096
Surface area
2431290529812150
Volume
8.1569614928408E+21
Space diagonal
34866104.814075
Perimeter
60389865
Area
1.7546328023315E+14
Altitude
17433052.407038
Surface area
1.7546328023315E+14
Volume
9.6130713091088E+20
Height
9489351.79032