20803921 is an odd 8-digits prime number following 20803920
and preceding 20803922 . In scientific notation, it is written as 2.0803921 × 10^7.
The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors.
There are 20803920 positive integers (up to 20803921) that are relatively prime to 20803921.
20803921 has 2 divisors, whose sum is 20803922
The reverse of 20803921 is 12930802
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred three thousand nine hundred twenty-one
Scientific notation
2.0803921 × 10^7
Engineering notation
2.0803921 × 10^6
Prime Factorization
20803921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20803921
Product of the distinct prime numbers
The prime factorization of 20803921 is 20803921.
Since it has a total of 1 prime factors.
8 , 3 , 65 , 20 , 241 , 993 , 6984 , 1800 , 8885 , 39011 , 542781 , 915210 , 9410862 , 3207666 , 53069416 , 47056332 , 132307448 , 922254987 , 4871884559 , 8619866130
n×2
41607842
n×3
62411763
n×4
83215684
n×5
104019605
n÷2
10401960.5
n÷3
6934640.3333333
n÷3
5200980.25
n÷5
4160784.2
n2
432803128974241
n3
9.0040021037329E+21
n4
1.8731854844989E+29
n5
3.8969602837863E+36
2 √n
4561.1315482016
3 √n
275.03105324262
4 √n
67.536149936176
5 √n
29.082319357389
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20803922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10401961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4561.1316578235
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999038643
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20803921 can be divided by 2 positive divisors.
The sum of these divisors (counting 20803921) is 20803922, the average is 10401961.
Base
System
Value
2
Binary
1001111010111000101010001
3
Ternary
1110010221121121
4
Quaternary
1033113011101
5
Quinary
20311211141
6
Senary
2021522241
8
Octal
117270521
10
Decimal
20803921
12
Duodecimal
6b73381
16
Hexadecimal
13d7151
20
Vigesimal
6a09g1
36
Base36
cdwep
md5
3a5305047b45718a52a60535382fd013
sha1
e5244d8bc8ad0b998140663436feafec01eecbf7
sha256
8066ab92f43898b06d9c133bc0bee75796b636558eb50764388936264d05b2a3
sha512
f7483759dc81426638d4b272a460a421350c16c59b0e6f636da776f25aba36401721c7f0c8c9b68e07580ebe247a4f0691c2d8bde79ec63d66c75a418e266557
ripemd-160
80ce011f6796f33acd06bd1d0d289fc2b0eca5e4
Diameter
41607842
Circumference
130714890.75892
Area
1.3596911304362E+15
Volume
3.7715875815993E+22
Surface area
5.4387645217446E+15
Circumference
130714890.75892
Perimeter
83215684
Area
432803128974241
Diagonal
29421187.228738
Surface area
2596818773845446
Volume
9.0040021037329E+21
Space diagonal
36033448.168649
Perimeter
62411763
Area
1.8740925226454E+14
Altitude
18016724.084325
Surface area
1.8740925226454E+14
Volume
1.0611318242279E+21
Height
9807062.4095795