20105139 is an odd 8-digits composite number following 20105138
and preceding 20105140 . In scientific notation, it is written as 2.0105139 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13403424 positive integers (up to 20105139) that are relatively prime to 20105139.
20105139 has 4 divisors, whose sum is 26806856
The reverse of 20105139 is 93150102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred five thousand one hundred thirty-nine
Scientific notation
2.0105139 × 10^7
Engineering notation
2.0105139 × 10^6
Prime Factorization
3 × 6701713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20105139
Product of the distinct prime numbers
The prime factorization of 20105139 is 3 × 6701713.
Since it has a total of 2 prime factors.
6 , 2 , 60 , 23 , 21 , 300 , 1062 , 9786 , 53927 , 44978 , 492653 , 68486 , 3198131 , 3468839 , 76960737 , 92528027 , 859605057 , 942033220 , 4505759917 , 4716435507
n×2
40210278
n×3
60315417
n×4
80420556
n×5
100525695
n÷2
10052569.5
n÷3
6701713
n÷3
5026284.75
n÷5
4021027.8
n2
404216614209321
n3
8.1268312147878E+21
n4
1.6339107120285E+29
n5
3.2850001978921E+36
2 √n
4483.8754443004
3 √n
271.91658251542
4 √n
66.961746126429
5 √n
28.884271332071
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
-20105138
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 20105139 can be divided by 4 positive divisors.
The sum of these divisors (counting 20105139) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100011110110011
3
Ternary
1101211110001210
4
Quaternary
1030230132303
5
Quinary
20121331024
6
Senary
1554531203
8
Octal
114543663
10
Decimal
20105139
12
Duodecimal
6896b03
16
Hexadecimal
132c7b3
20
Vigesimal
65d2gj
36
Base36
byx83
md5
412ca44bb9f5d51312c91054e5de9fa6
sha1
49e30f60de040c56a1b465b10636b6806025cbab
sha256
39951b7d5b16fff6b070b19cd9f83ff56f1265246a5ebed06a4ff45cd1967055
sha512
07ce27fb41bb7b13d91a3d77a8a4888377161bd23d18865d30a42ec7b37bc303165f342960bf50c4a8052958f88031bcb01d2755345c92be2fe4ae069ff935e8
ripemd-160
9d45b5a27597ea893eb1d5f4e5348fea8bced55d
Diameter
40210278
Circumference
126324313.9636
Area
1.2698839456589E+15
Volume
3.4041590988455E+22
Surface area
5.0795357826358E+15
Circumference
126324313.9636
Perimeter
80420556
Area
404216614209321
Diagonal
28432960.247196
Surface area
2425299685255926
Volume
8.1268312147878E+21
Space diagonal
34823122.241235
Perimeter
60315417
Area
1.750309282685E+14
Altitude
17411561.120617
Surface area
1.750309282685E+14
Volume
9.5775624358916E+20
Height
9477653.4157321