21105746 (number)

21105746 is an even 8-digits composite number following 21105745 and preceding 21105747. In scientific notation, it is written as 2.1105746 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 10552872 positive integers (up to 21105746) that are relatively prime to 21105746.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand seven hundred forty-six

Notation

Scientific notation 2.1105746 × 10^7
Engineering notation 2.1105746 × 10^6

Prime Factorization of 21105746

Prime Factorization 2 × 10552873

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21105746
Product of the distinct prime numbers

The prime factorization of 21105746 is 2 × 10552873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105746)

Multiplication

n×y
n×2 42211492
n×3 63317238
n×4 84422984
n×5 105528730

Division

n÷y
n÷2 10552873
n÷3 7035248.6666667
n÷3 5276436.5
n÷5 4221149.2

Exponentiation

ny
n2 445452514216516
n3 9.4016076201152E+21
n4 1.9842794242182E+29
n5 4.1879697520575E+36

Nth Root

y√n
2√n 4594.0990411614
3√n 276.35473012173
4√n 67.779783425158
5√n 29.166219604423

Divisors of 21105746

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 -21105745
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 21105746 can be divided by 4 positive divisors. The sum of these divisors (counting 21105746) is 1, the average is 0.25.

Base conversion 21105746

Base System Value
2 Binary 1010000100000110001010010
3 Ternary 1110201021122022
4 Quaternary 1100200301102
5 Quinary 20400340441
6 Senary 2032211442
8 Octal 120406122
10 Decimal 21105746
12 Duodecimal 7099b82
16 Hexadecimal 1420c52
20 Vigesimal 6bi476
36 Base36 ckdaq

Cryptographic Hash Functions

md5 523854b08b6a56d3f4434f19dc958bc7
sha1 e17ca7974c7924539ad0220854dd14a117bc69a5
sha256 675a90cfccb5b230a5ea73837137e331d1ef3d9fc126fffb5c83879fb3df209e
sha512 1ac30ba63112ff313054e3bdadc68c3235c1b11924aeda334851f8c195986bb41720f0db907f7546010adc7e4b1e988feee63531e223e7b151438d2b634afb06
ripemd-160 afb35cba42be5ec9894a4f2acd7c28f94f988112

21105746 as geometric shapes

Circle

Radius = n
Diameter 42211492
Circumference 132611313.16426
Area 1.3994303461857E+15

Sphere

Radius = n
Volume 3.9381361908384E+22
Surface area 5.5977213847428E+15
Circumference 132611313.16426

Square

Length = n
Perimeter 84422984
Area 445452514216516
Diagonal 29848032.237202

Cube

Length = n
Surface area 2672715085299096
Volume 9.4016076201152E+21
Space diagonal 36556224.403644

Equilateral Triangle

Length = n
Perimeter 63317238
Area 1.9288659674558E+14
Altitude 18278112.201822

Triangular Pyramid

Length = n
Surface area 1.9288659674558E+14
Volume 1.1079900837064E+21
Height 9949344.0790672