20123638 is an even 8-digits composite number following 20123637
and preceding 20123639 . In scientific notation, it is written as 2.0123638 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10061818 positive integers (up to 20123638) that are relatively prime to 20123638.
20123638 has 4 divisors, whose sum is 30185460
The reverse of 20123638 is 83632102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-three thousand six hundred thirty-eight
Scientific notation
2.0123638 × 10^7
Engineering notation
2.0123638 × 10^6
Prime Factorization
2 × 10061819
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20123638
Product of the distinct prime numbers
The prime factorization of 20123638 is 2 × 10061819.
Since it has a total of 2 prime factors.
4 , 4 , 6 , 80 , 799 , 874 , 430 , 8666 , 64012 , 83962 , 174556 , 615718 , 4166803 , 5028596 , 10459959 , 9978860 , 974240602 , 921561661 , 3938075531 , 2830943316
n×2
40247276
n×3
60370914
n×4
80494552
n×5
100618190
n÷2
10061819
n÷3
6707879.3333333
n÷3
5030909.5
n÷5
4024727.6
n2
404960806355044
n3
8.149284671277E+21
n4
1.6399325468373E+29
n5
3.3001408916971E+36
2 √n
4485.937806078
3 √n
271.99995494521
4 √n
66.977143908038
5 √n
28.889584735636
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
-20123637
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 20123638 can be divided by 4 positive divisors.
The sum of these divisors (counting 20123638) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000111111110110
3
Ternary
1101212101102221
4
Quaternary
1030300333312
5
Quinary
20122424023
6
Senary
1555152554
8
Octal
114607766
10
Decimal
20123638
12
Duodecimal
68a575a
16
Hexadecimal
1330ff6
20
Vigesimal
65f91i
36
Base36
bzbhy
md5
acfaecf5edb4d3b6db05d572be1d3358
sha1
00d3eb5de9b8c1d292dc51a1999e8acf7f4c16fe
sha256
c18721e9444493de735c8d801020ea44a9ea79b6d31ef0ccea76bdaf72d3e053
sha512
6475fe4674b70c182f8eb9324db69bc7f87c587194caaa8ae2ea4cd8dd42ca358cc582dd1578dc2e7a875ca87c098450b49cd4cfb07b45c16d0b947565ca1967
ripemd-160
445e02281710107f8921ccc44ef2153d6904667b
Diameter
40247276
Circumference
126440546.6086
Area
1.2722218942368E+15
Volume
3.4135643807061E+22
Surface area
5.0888875769472E+15
Circumference
126440546.6086
Perimeter
80494552
Area
404960806355044
Diagonal
28459121.783887
Surface area
2429764838130264
Volume
8.149284671277E+21
Space diagonal
34855163.449124
Perimeter
60370914
Area
1.7535317292025E+14
Altitude
17427581.724562
Surface area
1.7535317292025E+14
Volume
9.6040240881326E+20
Height
9486373.9279622