20207721 (number)

20207721 is an odd 8-digits composite number following 20207720 and preceding 20207722. In scientific notation, it is written as 2.0207721 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors. There are 13154904 positive integers (up to 20207721) that are relatively prime to 20207721.

Interesting facts

Basic properties

Name

Name twenty million two hundred seven thousand seven hundred twenty-one

Notation

Scientific notation 2.0207721 × 10^7
Engineering notation 2.0207721 × 10^6

Prime Factorization of 20207721

Prime Factorization 3 × 43 × 43 × 3643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 469947
Product of the distinct prime numbers

The prime factorization of 20207721 is 3 × 43 × 43 × 3643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20207721)

Multiplication

n×y
n×2 40415442
n×3 60623163
n×4 80830884
n×5 101038605

Division

n÷y
n÷2 10103860.5
n÷3 6735907
n÷3 5051930.25
n÷5 4041544.2

Exponentiation

ny
n2 408351988013841
n3 8.251863043579E+21
n4 1.6675134611486E+29
n5 3.3696646786634E+36

Nth Root

y√n
2√n 4495.2998787623
3√n 272.37826282413
4√n 67.046997537267
5√n 28.913686473507

Divisors of 20207721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20207720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20207721 can be divided by 12 positive divisors. The sum of these divisors (counting 20207721) is 1, the average is 0.083333333333333.

Base conversion 20207721

Base System Value
2 Binary 1001101000101100001101001
3 Ternary 1102000122210010
4 Quaternary 1031011201221
5 Quinary 20133121341
6 Senary 2001042133
8 Octal 115054151
10 Decimal 20207721
12 Duodecimal 6926349
16 Hexadecimal 1345869
20 Vigesimal 665j61
36 Base36 c14dl

Cryptographic Hash Functions

md5 2ad8c5b7ed56fa867e42109b6f0714b5
sha1 648553bfcf4cad088dac8e6785ae671d0fe2a77d
sha256 851ece7a9230d00e9735f256c25d70348ad962ee0f0b8438657878c0b7c1f945
sha512 4a555d27dff6fe0f28a8146848fac46e15ff2a31fa345e7c5528075b97987788db3cc1e03abfc7cae1bd3cbf7ca590f9c2650f17c6c831cf0c0bc74dc97c0b74
ripemd-160 db4f440b98d8ac8704728121471d39b8bdf2e5c9

20207721 as geometric shapes

Circle

Radius = n
Diameter 40415442
Circumference 126968855.67878
Area 1.2828756056231E+15

Sphere

Radius = n
Volume 3.4565323088183E+22
Surface area 5.1315024224923E+15
Circumference 126968855.67878

Square

Length = n
Perimeter 80830884
Area 408351988013841
Diagonal 28578033.102852

Cube

Length = n
Surface area 2450111928083046
Volume 8.251863043579E+21
Space diagonal 35000799.477177

Equilateral Triangle

Length = n
Perimeter 60623163
Area 1.7682159765293E+14
Altitude 17500399.738588

Triangular Pyramid

Length = n
Surface area 1.7682159765293E+14
Volume 9.724913859229E+20
Height 9526011.0342839