21136421 (number)

21136421 is an odd 8-digits composite number following 21136420 and preceding 21136422. In scientific notation, it is written as 2.1136421 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21061452 positive integers (up to 21136421) that are relatively prime to 21136421.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-six thousand four hundred twenty-one

Notation

Scientific notation 2.1136421 × 10^7
Engineering notation 2.1136421 × 10^6

Prime Factorization of 21136421

Prime Factorization 283 × 74687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21136421
Product of the distinct prime numbers

The prime factorization of 21136421 is 283 × 74687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21136421)

Multiplication

n×y
n×2 42272842
n×3 63409263
n×4 84545684
n×5 105682105

Division

n÷y
n÷2 10568210.5
n÷3 7045473.6666667
n÷3 5284105.25
n÷5 4227284.2

Exponentiation

ny
n2 446748292689241
n3 9.442659995311E+21
n4 1.9958403702075E+29
n5 4.2184922313502E+36

Nth Root

y√n
2√n 4597.4363508373
3√n 276.48854956849
4√n 67.804397724906
5√n 29.174692691453

Divisors of 21136421

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 -21136420
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 21136421 can be divided by 4 positive divisors. The sum of these divisors (counting 21136421) is 1, the average is 0.25.

Base conversion 21136421

Base System Value
2 Binary 1010000101000010000100101
3 Ternary 1110202211201102
4 Quaternary 1100220100211
5 Quinary 20402331141
6 Senary 2033005445
8 Octal 120502045
10 Decimal 21136421
12 Duodecimal 70b3885
16 Hexadecimal 1428425
20 Vigesimal 6c2111
36 Base36 cl0yt

Cryptographic Hash Functions

md5 0af03415504873defa1993b09f273bce
sha1 2d60f2fb483ff640bbad0462f4e2036e1fdce330
sha256 17fdcb8058b6d9760e466611c0d90615021513f21bccc0390f9f637b69187cad
sha512 3989be85be02f815722c42d1d4309f68e656d91f0508561e0f96c467412ee5eac934986ae7f793c29ad7d59dd14b51b5f6b62df65801e5ddb6419d1d8429948d
ripemd-160 02963f043a2fb4bbf03f45ea97190c3cdb56f537

21136421 as geometric shapes

Circle

Radius = n
Diameter 42272842
Circumference 132804049.87356
Area 1.4035011543163E+15

Sphere

Radius = n
Volume 3.9553321695487E+22
Surface area 5.6140046172652E+15
Circumference 132804049.87356

Square

Length = n
Perimeter 84545684
Area 446748292689241
Diagonal 29891413.238227

Cube

Length = n
Surface area 2680489756135446
Volume 9.442659995311E+21
Space diagonal 36609355.062166

Equilateral Triangle

Length = n
Perimeter 63409263
Area 1.934476852831E+14
Altitude 18304677.531083

Triangular Pyramid

Length = n
Surface area 1.934476852831E+14
Volume 1.1128281525206E+21
Height 9963804.4127425