21061806 (number)

21061806 is an even 8-digits composite number following 21061805 and preceding 21061807. In scientific notation, it is written as 2.1061806 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 6830784 positive integers (up to 21061806) that are relatively prime to 21061806.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-one thousand eight hundred six

Notation

Scientific notation 2.1061806 × 10^7
Engineering notation 2.1061806 × 10^6

Prime Factorization of 21061806

Prime Factorization 2 × 3 × 37 × 94873

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21061806
Product of the distinct prime numbers

The prime factorization of 21061806 is 2 × 3 × 37 × 94873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21061806)

Multiplication

n×y
n×2 42123612
n×3 63185418
n×4 84247224
n×5 105309030

Division

n÷y
n÷2 10530903
n÷3 7020602
n÷3 5265451.5
n÷5 4212361.2

Exponentiation

ny
n2 443599671981636
n3 9.3430102329409E+21
n4 1.9678066898222E+29
n5 4.1445562746536E+36

Nth Root

y√n
2√n 4589.3143278708
3√n 276.16281613699
4√n 67.744478209451
5√n 29.154065262585

Divisors of 21061806

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061805
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061806 can be divided by 16 positive divisors. The sum of these divisors (counting 21061806) is 1, the average is 0.0625.

Base conversion 21061806

Base System Value
2 Binary 1010000010110000010101110
3 Ternary 1110122001100220
4 Quaternary 1100112002232
5 Quinary 20342434211
6 Senary 2031232210
8 Octal 120260256
10 Decimal 21061806
12 Duodecimal 7078666
16 Hexadecimal 14160ae
20 Vigesimal 6bcea6
36 Base36 cjfe6

Cryptographic Hash Functions

md5 0860ba693236702f8f4bde9832403677
sha1 017d335cd66d4ccb5909884d936852bab0450b1e
sha256 85bbb7f048dbdf30e794332bf9c078c8ad274fade5d0f7f9a2656bab50c4abf8
sha512 1d32491cd61940aefb327546f92065f178844187cb217bc5cdd8a00124ffe8e2eebc3bd4a1d23bc8fd4f99bf850705e3cba2d5facee586074822b7566461abcb
ripemd-160 59b37f3ba9f0ab883b1dea7bd4c021836137a149

21061806 as geometric shapes

Circle

Radius = n
Diameter 42123612
Circumference 132335230.00187
Area 1.3936094706323E+15

Sphere

Radius = n
Volume 3.9135909746962E+22
Surface area 5.5744378825294E+15
Circumference 132335230.00187

Square

Length = n
Perimeter 84247224
Area 443599671981636
Diagonal 29785891.693271

Cube

Length = n
Surface area 2661598031889816
Volume 9.3430102329409E+21
Space diagonal 36480118.091159

Equilateral Triangle

Length = n
Perimeter 63185418
Area 1.9208429252327E+14
Altitude 18240059.04558

Triangular Pyramid

Length = n
Surface area 1.9208429252327E+14
Volume 1.1010843154013E+21
Height 9928630.5644237