20101894 is an even 8-digits composite number following 20101893
and preceding 20101895 . In scientific notation, it is written as 2.0101894 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 10050946 positive integers (up to 20101894) that are relatively prime to 20101894.
20101894 has 4 divisors, whose sum is 30152844
The reverse of 20101894 is 49810102
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 one thousand eight hundred ninety-four
Scientific notation
2.0101894 × 10^7
Engineering notation
2.0101894 × 10^6
Prime Factorization
2 × 10050947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20101894
Product of the distinct prime numbers
The prime factorization of 20101894 is 2 × 10050947.
Since it has a total of 2 prime factors.
9 , 9 , 67 , 8 , 160 , 769 , 7194 , 1102 , 8934 , 14042 , 216687 , 565943 , 1638723 , 5790127 , 127677 , 16646642 , 652853363 , 446201110 , 5480275489 , 5363755324
n×2
40203788
n×3
60305682
n×4
80407576
n×5
100509470
n÷2
10050947
n÷3
6700631.3333333
n÷3
5025473.5
n÷5
4020378.8
n2
404086142387236
n3
8.1228968011371E+21
n4
1.632856104694E+29
n5
3.2823500333811E+36
2 √n
4483.5135775416
3 √n
271.90195247836
4 √n
66.959044030972
5 √n
28.883338878808
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
-20101893
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 20101894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20101894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011101100000110
3
Ternary
1101211021121121
4
Quaternary
1030223230012
5
Quinary
20121230034
6
Senary
1554504154
8
Octal
114535406
10
Decimal
20101894
12
Duodecimal
689505a
16
Hexadecimal
132bb06
20
Vigesimal
65ceee
36
Base36
byupy
md5
d99adf0b614e5099929d6005504eb17f
sha1
f52dd1228ea8215bf6f648a730e4d3e8e0353c4e
sha256
415921554ffd5f23ba282341447eb9e29dd50d61f06ee4090b744607dfa45824
sha512
f7a3ecf9ba27fa5c67c01fe05eaeab3c3af3c94894478fbe1a8c68a9db421ead03236b5fb8ca4aff4eaee6a1eeb581ac07b77352830eea5e57b1068ede95511b
ripemd-160
0a3899a01696d24ef999b38409a04bd0e51cbb16
Diameter
40203788
Circumference
126303925.02728
Area
1.2694740563412E+15
Volume
3.4025110555094E+22
Surface area
5.0778962253647E+15
Circumference
126303925.02728
Perimeter
80407576
Area
404086142387236
Diagonal
28428371.124186
Surface area
2424516854323416
Volume
8.1228968011371E+21
Space diagonal
34817501.736364
Perimeter
60305682
Area
1.749744323123E+14
Altitude
17408750.868182
Surface area
1.749744323123E+14
Volume
9.5729256849376E+20
Height
9476123.7080621