20101925 is an odd 8-digits composite number following 20101924
and preceding 20101926 . In scientific notation, it is written as 2.0101925 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16081520 positive integers (up to 20101925) that are relatively prime to 20101925.
20101925 has 4 divisors, whose sum is 20906028
The reverse of 20101925 is 52910102
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred one thousand nine hundred twenty-five
Scientific notation
2.0101925 × 10^7
Engineering notation
2.0101925 × 10^6
Prime Factorization
25 × 804077
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20101925
Product of the distinct prime numbers
The prime factorization of 20101925 is 25 × 804077.
Since it has a total of 2 prime factors.
7 , 10 , 17 , 28 , 810 , 545 , 5829 , 5164 , 98983 , 98909 , 177698 , 120084 , 4383237 , 6320677 , 28929957 , 22177698 , 65239823 , 36582866 , 8668920985 , 6715458313
n×2
40203850
n×3
60305775
n×4
80407700
n×5
100509625
n÷2
10050962.5
n÷3
6700641.6666667
n÷3
5025481.25
n÷5
4020385
n2
404087388705625
n3
8.1229343812063E+21
n4
1.6328661771093E+29
n5
3.2823753427288E+36
2 √n
4483.5170346504
3 √n
271.90209224887
4 √n
66.959069846066
5 √n
28.883347787252
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
-20101924
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 20101925 can be divided by 4 positive divisors.
The sum of these divisors (counting 20101925) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101011101100100101
3
Ternary
1101211021122202
4
Quaternary
1030223230211
5
Quinary
20121230200
6
Senary
1554504245
8
Octal
114535445
10
Decimal
20101925
12
Duodecimal
6895085
16
Hexadecimal
132bb25
20
Vigesimal
65ceg5
36
Base36
byuqt
md5
4c464b00833016aaecb615ca7e0be5c7
sha1
633a25b4a4fee069913845b512023ac122e9597e
sha256
64aa020536d32af550116e760652b7f9d2d45e19910fc50a17988e217e017470
sha512
9cf7e75f3c3f44e3430b6f80f5fb367d7bf8dcd59d6048c5884b85330b2530e32d6d9e9383e16458cd93c39ffd35d8b66804e389638551aea109c6f658a886ab
ripemd-160
4e51530f094f468df0f11150d1de6f6cb172eed9
Diameter
40203850
Circumference
126304119.80603
Area
1.2694779717659E+15
Volume
3.402526797012E+22
Surface area
5.0779118870635E+15
Circumference
126304119.80603
Perimeter
80407700
Area
404087388705625
Diagonal
28428414.964807
Surface area
2424524332233750
Volume
8.1229343812063E+21
Space diagonal
34817555.429939
Perimeter
60305775
Area
1.7497497198399E+14
Altitude
17408777.71497
Surface area
1.7497497198399E+14
Volume
9.5729699734739E+20
Height
9476138.3216023