20809748 (number)

20809748 is an even 8-digits composite number following 20809747 and preceding 20809749. In scientific notation, it is written as 2.0809748 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 10404872 positive integers (up to 20809748) that are relatively prime to 20809748.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0809748 × 10^7
Engineering notation 2.0809748 × 10^6

Prime Factorization of 20809748

Prime Factorization 2 × 2 × 5202437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10404874
Product of the distinct prime numbers

The prime factorization of 20809748 is 2 × 2 × 5202437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809748)

Multiplication

n×y
n×2 41619496
n×3 62429244
n×4 83238992
n×5 104048740

Division

n÷y
n÷2 10404874
n÷3 6936582.6666667
n÷3 5202437
n÷5 4161949.6

Exponentiation

ny
n2 433045611823504
n3 9.0115700545529E+21
n4 1.8752850191959E+29
n5 3.9024208677642E+36

Nth Root

y√n
2√n 4561.7702704104
3√n 275.05672879268
4√n 67.540878513759
5√n 29.083948316584

Divisors of 20809748

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809747
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809748 can be divided by 6 positive divisors. The sum of these divisors (counting 20809748) is 1, the average is 0.16666666666667.

Base conversion 20809748

Base System Value
2 Binary 1001111011000100000010100
3 Ternary 1110011020121102
4 Quaternary 1033120200110
5 Quinary 20311402443
6 Senary 2022005232
8 Octal 117304024
10 Decimal 20809748
12 Duodecimal 6b76818
16 Hexadecimal 13d8814
20 Vigesimal 6a1478
36 Base36 ce0wk

Cryptographic Hash Functions

md5 869ac983deb5a1f11a68f40f8c82a8f5
sha1 04c74ebcb82a4fd305df1f04e611dadd34c4e45e
sha256 3d5275d71dfe2eecf2104feba5ddfe7bfd578eabf06d937e6cdf82551be1ed6b
sha512 98ea2a628536a3fd8082ea945246427a0a3dc3854d7cee846557d59ed1824c4b775ef623d654a6f1383c21af218c5fb7d1a50a83cb5e18f952db98bfcbdde55a
ripemd-160 a76aafc3ff137aa1300adef475f683c3cf9bc273

20809748 as geometric shapes

Circle

Radius = n
Diameter 41619496
Circumference 130751502.87971
Area 1.360452912774E+15

Sphere

Radius = n
Volume 3.7747576374258E+22
Surface area 5.4418116510961E+15
Circumference 130751502.87971

Square

Length = n
Perimeter 83238992
Area 433045611823504
Diagonal 29429427.851166

Cube

Length = n
Surface area 2598273670941024
Volume 9.0115700545529E+21
Space diagonal 36043540.828705

Equilateral Triangle

Length = n
Perimeter 62429244
Area 1.8751425041826E+14
Altitude 18021770.414352

Triangular Pyramid

Length = n
Surface area 1.8751425041826E+14
Volume 1.0620237157853E+21
Height 9809809.2837221