20203921 is an odd 8-digits composite number following 20203920
and preceding 20203922 . In scientific notation, it is written as 2.0203921 × 10^7.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 20186352 positive integers (up to 20203921) that are relatively prime to 20203921.
20203921 has 4 divisors, whose sum is 20221492
The reverse of 20203921 is 12930202
Previous prime number is 1237
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred three thousand nine hundred twenty-one
Scientific notation
2.0203921 × 10^7
Engineering notation
2.0203921 × 10^6
Prime Factorization
1237 × 16333
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20203921
Product of the distinct prime numbers
The prime factorization of 20203921 is 1237 × 16333.
Since it has a total of 2 prime factors.
10 , 10 , 16 , 27 , 55 , 432 , 2738 , 6397 , 71147 , 82561 , 608699 , 686940 , 7263470 , 3682998 , 86030788 , 75016285 , 126590559 , 130640205 , 5452289675 , 3150334869
n×2
40407842
n×3
60611763
n×4
80815684
n×5
101019605
n÷2
10101960.5
n÷3
6734640.3333333
n÷3
5050980.25
n÷5
4040784.2
n2
408198423774241
n3
8.2472087062593E+21
n4
1.6662595317177E+29
n5
3.3664975944322E+36
2 √n
4494.8771952079
3 √n
272.36118845465
4 √n
67.043845319372
5 √n
28.912598965678
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
-20203920
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 20203921 can be divided by 4 positive divisors.
The sum of these divisors (counting 20203921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000100100110010001
3
Ternary
1102000110120101
4
Quaternary
1031010212101
5
Quinary
20133011141
6
Senary
2001012401
8
Octal
115044621
10
Decimal
20203921
12
Duodecimal
6924101
16
Hexadecimal
1344991
20
Vigesimal
6659g1
36
Base36
c11g1
md5
d5c12293c657573fed1a34d6d220ed55
sha1
1289b9f202942ea4fa9e8a2785abe9ab33d3a503
sha256
daa0487f67dcbf153f95110c13d28320b2c477e431dc198063331856d52450c7
sha512
fd459131075b0516fc8597008c7ed9fdc2dddc6418e76acbd65995aacfbbf554dd32e3df10699e546bad0f3027e2c862e7995ed2e533cb755dd3730c196fbc8f
ripemd-160
9e13eefca8051a547b93820ead9a408f6e67d0dd
Diameter
40407842
Circumference
126944979.57462
Area
1.2823931693361E+15
Volume
3.4545827045608E+22
Surface area
5.1295726773444E+15
Circumference
126944979.57462
Perimeter
80815684
Area
408198423774241
Diagonal
28572659.091315
Surface area
2449190542645446
Volume
8.2472087062593E+21
Space diagonal
34994217.684108
Perimeter
60611763
Area
1.7675510238663E+14
Altitude
17497108.842054
Surface area
1.7675510238663E+14
Volume
9.7194286700945E+20
Height
9524219.6971049