20921663 (number)

20921663 is an odd 8-digits composite number following 20921662 and preceding 20921664. In scientific notation, it is written as 2.0921663 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 17817696 positive integers (up to 20921663) that are relatively prime to 20921663.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand six hundred sixty-three

Notation

Scientific notation 2.0921663 × 10^7
Engineering notation 2.0921663 × 10^6

Prime Factorization of 20921663

Prime Factorization 7 × 157 × 19037

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921663
Product of the distinct prime numbers

The prime factorization of 20921663 is 7 × 157 × 19037. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921663)

Multiplication

n×y
n×2 41843326
n×3 62764989
n×4 83686652
n×5 104608315

Division

n÷y
n÷2 10460831.5
n÷3 6973887.6666667
n÷3 5230415.75
n÷5 4184332.6

Exponentiation

ny
n2 437715982685569
n3 9.1577462794613E+21
n4 1.9159528149839E+29
n5 4.0084919118995E+36

Nth Root

y√n
2√n 4574.0204415809
3√n 275.54893328571
4√n 67.631504800506
5√n 29.115163981173

Divisors of 20921663

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921662
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921663 can be divided by 8 positive divisors. The sum of these divisors (counting 20921663) is 1, the average is 0.125.

Base conversion 20921663

Base System Value
2 Binary 1001111110011110100111111
3 Ternary 1110100221010102
4 Quaternary 1033303310333
5 Quinary 20323443123
6 Senary 2024231315
8 Octal 117636477
10 Decimal 20921663
12 Duodecimal 700b53b
16 Hexadecimal 13f3d3f
20 Vigesimal 6af433
36 Base36 cgf9b

Cryptographic Hash Functions

md5 cce6e09f8cc2c149a187e43dbab637d4
sha1 46adf41ad86188cc7095191503ae3e1167b4f09e
sha256 aa18e80dfb657f6a967bc6f39f7c68fb5c7cee7988a38c30b74e116c86ef280e
sha512 8d8bef57cf300eddb16eb955f717031558de0e4610228dfe3932572994beb2aee5ad9bd614975e8d1d45c5d34323bdd89d721c3794c0239f04926d41633ae000
ripemd-160 cd07d4a0d1baf884a1efbd9b22292577f80c8a87

20921663 as geometric shapes

Circle

Radius = n
Diameter 41843326
Circumference 131454685.56336
Area 1.3751253155638E+15

Sphere

Radius = n
Volume 3.8359877913327E+22
Surface area 5.5005012622553E+15
Circumference 131454685.56336

Square

Length = n
Perimeter 83686652
Area 437715982685569
Diagonal 29587699.561999

Cube

Length = n
Surface area 2626295896113414
Volume 9.1577462794613E+21
Space diagonal 36237383.294834

Equilateral Triangle

Length = n
Perimeter 62764989
Area 1.8953658032409E+14
Altitude 18118691.647417

Triangular Pyramid

Length = n
Surface area 1.8953658032409E+14
Volume 1.0792507490988E+21
Height 9862566.5206665