21105742 (number)

21105742 is an even 8-digits composite number following 21105741 and preceding 21105743. In scientific notation, it is written as 2.1105742 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 9030168 positive integers (up to 21105742) that are relatively prime to 21105742.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1105742 × 10^7
Engineering notation 2.1105742 × 10^6

Prime Factorization of 21105742

Prime Factorization 2 × 7 × 1559 × 967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21105742
Product of the distinct prime numbers

The prime factorization of 21105742 is 2 × 7 × 1559 × 967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 58, 32, 517, 445, 5703, 9158, 71474, 85621, 634438, 701541, 5850944, 875103, 53454225, 86148891, 524519952, 49417367, 8232472146, 1477628976

Basic calculations (n = 21105742)

Multiplication

n×y
n×2 42211484
n×3 63317226
n×4 84422968
n×5 105528710

Division

n÷y
n÷2 10552871
n÷3 7035247.3333333
n÷3 5276435.5
n÷5 4221148.4

Exponentiation

ny
n2 445452345370564
n3 9.401602274686E+21
n4 1.9842779199614E+29
n5 4.1879657835001E+36

Nth Root

y√n
2√n 4594.0986058203
3√n 276.35471266331
4√n 67.779780213721
5√n 29.166218498896

Divisors of 21105742

1, 2, 7, 14, 967, 1559, 1934, 3118, 6769, 10913, 13538, 21826, 1507553, 3015106, 10552871, 21105742

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 -21105741
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 21105742 can be divided by 16 positive divisors. The sum of these divisors (counting 21105742) is 1, the average is 0.0625.

Base conversion 21105742

Base System Value
2 Binary 1010000100000110001001110
3 Ternary 1110201021122011
4 Quaternary 1100200301032
5 Quinary 20400340432
6 Senary 2032211434
8 Octal 120406116
10 Decimal 21105742
12 Duodecimal 7099b7a
16 Hexadecimal 1420c4e
20 Vigesimal 6bi472
36 Base36 ckdam

Cryptographic Hash Functions

md5 d617f7843d5b1abc8b0de7bebb0609c4
sha1 80fa8561952b773120f8a289ed4b3d30101cc37d
sha256 95f74aab65b67362d2dcf019087560591261df58cf86c511b46b409980b69386
sha512 8b3801b7f2d4aa7607bfc444dba5abdd0598c15072a054fac8825fb0f793731f94478d6a650e5108c8f5b0b96534ce31053b485a932de63c04566cdd27c77b96
ripemd-160 69a10dcc7a63d8e735b5854d6e369ca16b928781

21105742 as geometric shapes

Circle

Radius = n
Diameter 42211484
Circumference 132611288.03152
Area 1.3994298157405E+15

Sphere

Radius = n
Volume 3.9381339517502E+22
Surface area 5.597719262962E+15
Circumference 132611288.03152

Square

Length = n
Perimeter 84422968
Area 445452345370564
Diagonal 29848026.580347

Cube

Length = n
Surface area 2672714072223384
Volume 9.401602274686E+21
Space diagonal 36556217.47544

Equilateral Triangle

Length = n
Perimeter 63317226
Area 1.9288652363313E+14
Altitude 18278108.73772

Triangular Pyramid

Length = n
Surface area 1.9288652363313E+14
Volume 1.1079894537416E+21
Height 9949342.1934492