20809923 (number)

20809923 is an odd 8-digits composite number following 20809922 and preceding 20809924. In scientific notation, it is written as 2.0809923 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 13873280 positive integers (up to 20809923) that are relatively prime to 20809923.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand nine hundred twenty-three

Notation

Scientific notation 2.0809923 × 10^7
Engineering notation 2.0809923 × 10^6

Prime Factorization of 20809923

Prime Factorization 3 × 6936641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809923
Product of the distinct prime numbers

The prime factorization of 20809923 is 3 × 6936641. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809923)

Multiplication

n×y
n×2 41619846
n×3 62429769
n×4 83239692
n×5 104049615

Division

n÷y
n÷2 10404961.5
n÷3 6936641
n÷3 5202480.75
n÷5 4161984.6

Exponentiation

ny
n2 433052895265929
n3 9.011797405411E+21
n4 1.875348100982E+29
n5 3.9025849579632E+36

Nth Root

y√n
2√n 4561.7894515201
3√n 275.05749982224
4√n 67.54102050991
5√n 29.083997232831

Divisors of 20809923

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 -20809922
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 20809923 can be divided by 4 positive divisors. The sum of these divisors (counting 20809923) is 1, the average is 0.25.

Base conversion 20809923

Base System Value
2 Binary 1001111011000100011000011
3 Ternary 1110011020211220
4 Quaternary 1033120203003
5 Quinary 20311404143
6 Senary 2022010123
8 Octal 117304303
10 Decimal 20809923
12 Duodecimal 6b76943
16 Hexadecimal 13d88c3
20 Vigesimal 6a14g3
36 Base36 ce11f

Cryptographic Hash Functions

md5 f189ed769b47223441b88defec392a69
sha1 8721b8b8ed303e4a18ca7e21ffdf5e478cbbbd50
sha256 9ab4ba59f6f73117f18ff7da2f4dc3cf32cf569bb786efdd3cad891d43450ab8
sha512 2e9490f99d75691b2449828d47984d4a8c9c76ef1ac3d9cbb15bc0093e00f7f9da4b735d970219fbd99cf42028b42f9620186624adfbec27a9aac12c794341c0
ripemd-160 a31b11dba21e5002d84bb29e8fc6473f263a08a0

20809923 as geometric shapes

Circle

Radius = n
Diameter 41619846
Circumference 130752602.43714
Area 1.3604757943832E+15

Sphere

Radius = n
Volume 3.7748528699305E+22
Surface area 5.4419031775329E+15
Circumference 130752602.43714

Square

Length = n
Perimeter 83239692
Area 433052895265929
Diagonal 29429675.33854

Cube

Length = n
Surface area 2598317371595574
Volume 9.011797405411E+21
Space diagonal 36043843.937596

Equilateral Triangle

Length = n
Perimeter 62429769
Area 1.8751740424135E+14
Altitude 18021921.968798

Triangular Pyramid

Length = n
Surface area 1.8751740424135E+14
Volume 1.0620505093409E+21
Height 9809891.7795133