21207664 (number)

21207664 is an even 8-digits composite number following 21207663 and preceding 21207665. In scientific notation, it is written as 2.1207664 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 20 positive divisors. There are 10539008 positive integers (up to 21207664) that are relatively prime to 21207664.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seven thousand six hundred sixty-four

Notation

Scientific notation 2.1207664 × 10^7
Engineering notation 2.1207664 × 10^6

Prime Factorization of 21207664

Prime Factorization 2 × 2 × 2 × 2 × 167 × 7937

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2650958
Product of the distinct prime numbers

The prime factorization of 21207664 is 2 × 2 × 2 × 2 × 167 × 7937. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21207664)

Multiplication

n×y
n×2 42415328
n×3 63622992
n×4 84830656
n×5 106038320

Division

n÷y
n÷2 10603832
n÷3 7069221.3333333
n÷3 5301916
n÷5 4241532.8

Exponentiation

ny
n2 449765012336896
n3 9.5384652605967E+21
n4 2.0228856632241E+29
n5 4.2900679456073E+36

Nth Root

y√n
2√n 4605.1779553021
3√n 276.79884782395
4√n 67.861461488109
5√n 29.194333632138

Divisors of 21207664

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21207663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21207664 can be divided by 20 positive divisors. The sum of these divisors (counting 21207664) is 1, the average is 0.05.

Base conversion 21207664

Base System Value
2 Binary 1010000111001101001110000
3 Ternary 1110220110110001
4 Quaternary 1100321221300
5 Quinary 20412121124
6 Senary 2034315344
8 Octal 120715160
10 Decimal 21207664
12 Duodecimal 7128b54
16 Hexadecimal 1439a70
20 Vigesimal 6caj34
36 Base36 cmjxs

Cryptographic Hash Functions

md5 35b7325f68435c96ad80d9486ae2f462
sha1 c4f5fd4e79417010efe10dc2b0fdd9a399fc5eda
sha256 790ce8ab7670b813441bc60b5e6cf1fcb289472b28f0bee6d1b78cb94c8a69c9
sha512 b60efbadf9b1f11fb4baf9cb08449d5bde2d7ab2264476acdf3e91ac6b3cb387cda687ef50d3ebb7e2aaa14590fa73ca8d4c72819ac52d28db091dddb6853a28
ripemd-160 00830f50726fb34ddc41305d5c9137b77635fd8e

21207664 as geometric shapes

Circle

Radius = n
Diameter 42415328
Circumference 133251682.8444
Area 1.4129784585993E+15

Sphere

Radius = n
Volume 3.9954629852283E+22
Surface area 5.6519138343973E+15
Circumference 133251682.8444

Square

Length = n
Perimeter 84830656
Area 449765012336896
Diagonal 29992166.055052

Cube

Length = n
Surface area 2698590074021376
Volume 9.5384652605967E+21
Space diagonal 36732751.557849

Equilateral Triangle

Length = n
Perimeter 63622992
Area 1.9475396320859E+14
Altitude 18366375.778925

Triangular Pyramid

Length = n
Surface area 1.9475396320859E+14
Volume 1.1241189113134E+21
Height 9997388.6850172