20748909 (number)

20748909 is an odd 8-digits composite number following 20748908 and preceding 20748910. In scientific notation, it is written as 2.0748909 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 13832604 positive integers (up to 20748909) that are relatively prime to 20748909.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0748909 × 10^7
Engineering notation 2.0748909 × 10^6

Prime Factorization of 20748909

Prime Factorization 3 × 6916303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20748909
Product of the distinct prime numbers

The prime factorization of 20748909 is 3 × 6916303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20748909)

Multiplication

n×y
n×2 41497818
n×3 62246727
n×4 82995636
n×5 103744545

Division

n÷y
n÷2 10374454.5
n÷3 6916303
n÷3 5187227.25
n÷5 4149781.8

Exponentiation

ny
n2 430517224690281
n3 8.9327627180312E+21
n4 1.8534508075502E+29
n5 3.8457082141836E+36

Nth Root

y√n
2√n 4555.0970351904
3√n 274.78841686545
4√n 67.491458979565
5√n 29.066922534168

Divisors of 20748909

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 -20748908
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 20748909 can be divided by 4 positive divisors. The sum of these divisors (counting 20748909) is 1, the average is 0.25.

Base conversion 20748909

Base System Value
2 Binary 1001111001001101001101101
3 Ternary 1110001011011010
4 Quaternary 1033021221231
5 Quinary 20302431114
6 Senary 2020415433
8 Octal 117115155
10 Decimal 20748909
12 Duodecimal 6b47579
16 Hexadecimal 13c9a6d
20 Vigesimal 69dc59
36 Base36 ccpyl

Cryptographic Hash Functions

md5 2d49de5ce23fbd55327695b5802a44e8
sha1 77710e81c79352b9a58a60288c9fa7738bf1df0c
sha256 559459de97ccbae2f8ccd2f3812b81e1cc1e58870b723cd05f997a435778bc6b
sha512 3f34da17ded584b28f077ecd5080a4da70955abf0f56deeec4379f7b1915f6e41f29cccac6f58df6184ea222a787f9dc2a1ce7e51bc52bb0be3ee603cd1ef482
ripemd-160 df37e4d4d1bf37b9cc7d3004500be84f3be05d3b

20748909 as geometric shapes

Circle

Radius = n
Diameter 41497818
Circumference 130369240.16881
Area 1.3525097503309E+15

Sphere

Radius = n
Volume 3.741746897497E+22
Surface area 5.4100390013234E+15
Circumference 130369240.16881

Square

Length = n
Perimeter 82995636
Area 430517224690281
Diagonal 29343388.512245

Cube

Length = n
Surface area 2583103348141686
Volume 8.9327627180312E+21
Space diagonal 35938164.589623

Equilateral Triangle

Length = n
Perimeter 62246727
Area 1.8641942667428E+14
Altitude 17969082.294812

Triangular Pyramid

Length = n
Surface area 1.8641942667428E+14
Volume 1.0527361821084E+21
Height 9781129.5040817