20809739 (number)

20809739 is an odd 8-digits composite number following 20809738 and preceding 20809740. In scientific notation, it is written as 2.0809739 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20738424 positive integers (up to 20809739) that are relatively prime to 20809739.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred thirty-nine

Notation

Scientific notation 2.0809739 × 10^7
Engineering notation 2.0809739 × 10^6

Prime Factorization of 20809739

Prime Factorization 293 × 71023

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809739
Product of the distinct prime numbers

The prime factorization of 20809739 is 293 × 71023. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809739)

Multiplication

n×y
n×2 41619478
n×3 62429217
n×4 83238956
n×5 104048695

Division

n÷y
n÷2 10404869.5
n÷3 6936579.6666667
n÷3 5202434.75
n÷5 4161947.8

Exponentiation

ny
n2 433045237248121
n3 9.0115583623265E+21
n4 1.8752817750328E+29
n5 3.902412428989E+36

Nth Root

y√n
2√n 4561.7692839511
3√n 275.05668913961
4√n 67.540871211076
5√n 29.083945800882

Divisors of 20809739

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 -20809738
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 20809739 can be divided by 4 positive divisors. The sum of these divisors (counting 20809739) is 1, the average is 0.25.

Base conversion 20809739

Base System Value
2 Binary 1001111011000100000001011
3 Ternary 1110011020121002
4 Quaternary 1033120200023
5 Quinary 20311402424
6 Senary 2022005215
8 Octal 117304013
10 Decimal 20809739
12 Duodecimal 6b7680b
16 Hexadecimal 13d880b
20 Vigesimal 6a146j
36 Base36 ce0wb

Cryptographic Hash Functions

md5 60d4d22c136e0baef28ddb8cd411152d
sha1 10b7041288af3a9e0987d6a315ad39269b7582f9
sha256 741c0c30a518672cec487f2f635f6c6de88dfb06deaba2ffd2b7601a2197c175
sha512 a8841bdb9464aa0726a771bd8773894f1979ab6ba4b3370c666e74e070d32012b8b762e9ee7aaf535d08dde94d6ee4fa8590381f1762a4f4cc210081eebc5332
ripemd-160 fc03b7f411218eb1d5c8ed9371d047928f1b7fe1

20809739 as geometric shapes

Circle

Radius = n
Diameter 41619478
Circumference 130751446.33104
Area 1.3604517360107E+15

Sphere

Radius = n
Volume 3.7747527397974E+22
Surface area 5.441806944043E+15
Circumference 130751446.33104

Square

Length = n
Perimeter 83238956
Area 433045237248121
Diagonal 29429415.123244

Cube

Length = n
Surface area 2598271423488726
Volume 9.0115583623265E+21
Space diagonal 36043525.240248

Equilateral Triangle

Length = n
Perimeter 62429217
Area 1.8751408822237E+14
Altitude 18021762.620124

Triangular Pyramid

Length = n
Surface area 1.8751408822237E+14
Volume 1.0620223378432E+21
Height 9809805.0410814