21105738 (number)

21105738 is an even 8-digits composite number following 21105737 and preceding 21105739. In scientific notation, it is written as 2.1105738 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 6518016 positive integers (up to 21105738) that are relatively prime to 21105738.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred five thousand seven hundred thirty-eight

Notation

Scientific notation 2.1105738 × 10^7
Engineering notation 2.1105738 × 10^6

Prime Factorization of 21105738

Prime Factorization 2 × 9 × 51 × 83 × 277

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21105738
Product of the distinct prime numbers

The prime factorization of 21105738 is 2 × 9 × 51 × 83 × 277. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21105738)

Multiplication

n×y
n×2 42211476
n×3 63317214
n×4 84422952
n×5 105528690

Division

n÷y
n÷2 10552869
n÷3 7035246
n÷3 5276434.5
n÷5 4221147.6

Exponentiation

ny
n2 445452176524644
n3 9.4015969292589E+21
n4 1.9842764157054E+29
n5 4.1879618149458E+36

Nth Root

y√n
2√n 4594.0981704792
3√n 276.35469520489
4√n 67.779777002283
5√n 29.166217393369

Divisors of 21105738

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21105737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21105738 can be divided by 32 positive divisors. The sum of these divisors (counting 21105738) is 1, the average is 0.03125.

Base conversion 21105738

Base System Value
2 Binary 1010000100000110001001010
3 Ternary 1110201021122000
4 Quaternary 1100200301022
5 Quinary 20400340423
6 Senary 2032211430
8 Octal 120406112
10 Decimal 21105738
12 Duodecimal 7099b76
16 Hexadecimal 1420c4a
20 Vigesimal 6bi46i
36 Base36 ckdai

Cryptographic Hash Functions

md5 b9c20bd45b79f482a27c4c800bd4794f
sha1 200e431394f73a0008338e201a659dffe1423881
sha256 61ec8c5ebc99a7affa438e62af40beb33f0309533d286916345eeb45d750dea4
sha512 b7b1a2f2533d6866ac7f9e4a2c85e63be3a79ecb18cd1231140d61d563586c998ed93e6d46be355e91d1bfaa5f445bb21a3ea0b57f18a08ef8fd9af585b44d3b
ripemd-160 003ec5461542f7f98c08c899b7bb5b27213cab68

21105738 as geometric shapes

Circle

Radius = n
Diameter 42211476
Circumference 132611262.89878
Area 1.3994292852954E+15

Sphere

Radius = n
Volume 3.9381317126629E+22
Surface area 5.5977171411816E+15
Circumference 132611262.89878

Square

Length = n
Perimeter 84422952
Area 445452176524644
Diagonal 29848020.923493

Cube

Length = n
Surface area 2672713059147864
Volume 9.4015969292589E+21
Space diagonal 36556210.547237

Equilateral Triangle

Length = n
Perimeter 63317214
Area 1.9288645052071E+14
Altitude 18278105.273619

Triangular Pyramid

Length = n
Surface area 1.9288645052071E+14
Volume 1.1079888237769E+21
Height 9949340.3078311