20403721 (number)

20403721 is an odd 8-digits composite number following 20403720 and preceding 20403722. In scientific notation, it is written as 2.0403721 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 18834192 positive integers (up to 20403721) that are relatively prime to 20403721.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand seven hundred twenty-one

Notation

Scientific notation 2.0403721 × 10^7
Engineering notation 2.0403721 × 10^6

Prime Factorization of 20403721

Prime Factorization 13 × 1569517

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20403721
Product of the distinct prime numbers

The prime factorization of 20403721 is 13 × 1569517. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20403721)

Multiplication

n×y
n×2 40807442
n×3 61211163
n×4 81614884
n×5 102018605

Division

n÷y
n÷2 10201860.5
n÷3 6801240.3333333
n÷3 5100930.25
n÷5 4080744.2

Exponentiation

ny
n2 416311830645841
n3 8.494310441497E+21
n4 1.7331554033569E+29
n5 3.5362819299737E+36

Nth Root

y√n
2√n 4517.047819096
3√n 273.2560537361
4√n 67.208986148401
5√n 28.969558415021

Divisors of 20403721

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 -20403720
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 20403721 can be divided by 4 positive divisors. The sum of these divisors (counting 20403721) is 1, the average is 0.25.

Base conversion 20403721

Base System Value
2 Binary 1001101110101011000001001
3 Ternary 1102101121122101
4 Quaternary 1031311120021
5 Quinary 20210404341
6 Senary 2005153401
8 Octal 115653011
10 Decimal 20403721
12 Duodecimal 69bb861
16 Hexadecimal 1375609
20 Vigesimal 67a961
36 Base36 c5bm1

Cryptographic Hash Functions

md5 62c310fc89c6360e2acc2cd1c0d8bc65
sha1 e915b80934ca749fe39d81737ecb6f618b41d63c
sha256 bf51fb8d1126b0f37ca998371f3f7be2e8cd5111f31492f304be7785557c855e
sha512 df0feca721667bc98f4bba868cb038b1c6d5ff86632e125a7bc3870b750c7ed88dd99a680a9442fc752d81f8ba14a49549d17b845337ae20522e8abcdd5a851a
ripemd-160 69dcfa4ef643969ed246168fdeabf33ce8c79625

20403721 as geometric shapes

Circle

Radius = n
Diameter 40807442
Circumference 128200359.99899
Area 1.3078821887595E+15

Sphere

Radius = n
Volume 3.5580884373757E+22
Surface area 5.231528755038E+15
Circumference 128200359.99899

Square

Length = n
Perimeter 81614884
Area 416311830645841
Diagonal 28855218.961077

Cube

Length = n
Surface area 2497870983875046
Volume 8.494310441497E+21
Space diagonal 35340281.43546

Equilateral Triangle

Length = n
Perimeter 61211163
Area 1.8026831061765E+14
Altitude 17670140.71773

Triangular Pyramid

Length = n
Surface area 1.8026831061765E+14
Volume 1.001064085781E+21
Height 9618406.3203589