21293894 (number)

21293894 is an even 8-digits composite number following 21293893 and preceding 21293895. In scientific notation, it is written as 2.1293894 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9878400 positive integers (up to 21293894) that are relatively prime to 21293894.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-three thousand eight hundred ninety-four

Notation

Scientific notation 2.1293894 × 10^7
Engineering notation 2.1293894 × 10^6

Prime Factorization of 21293894

Prime Factorization 2 × 17 × 71 × 8821

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21293894
Product of the distinct prime numbers

The prime factorization of 21293894 is 2 × 17 × 71 × 8821. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 60, 97, 760, 453, 6009, 5626, 7470, 66464, 440458, 973954, 5708791, 8463253, 43312192, 67728554, 299888400, 586059957, 2557759191, 3500949994

Basic calculations (n = 21293894)

Multiplication

n×y
n×2 42587788
n×3 63881682
n×4 85175576
n×5 106469470

Division

n÷y
n÷2 10646947
n÷3 7097964.6666667
n÷3 5323473.5
n÷5 4258778.8

Exponentiation

ny
n2 453429921683236
n3 9.6552886887511E+21
n4 2.0559869387767E+29
n5 4.3779967939695E+36

Nth Root

y√n
2√n 4614.5307453738
3√n 277.17349364491
4√n 67.930337444869
5√n 29.218035846795

Divisors of 21293894

1, 2, 17, 34, 71, 142, 1207, 2414, 8821, 17642, 149957, 299914, 626291, 1252582, 10646947, 21293894

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 -21293893
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 21293894 can be divided by 16 positive divisors. The sum of these divisors (counting 21293894) is 1, the average is 0.0625.

Base conversion 21293894

Base System Value
2 Binary 1010001001110101101000110
3 Ternary 1111001211201202
4 Quaternary 1101032231012
5 Quinary 20422401034
6 Senary 2040222502
8 Octal 121165506
10 Decimal 21293894
12 Duodecimal 716aa32
16 Hexadecimal 144eb46
20 Vigesimal 6d1eee
36 Base36 coeh2

Cryptographic Hash Functions

md5 ae4515b860b73a749bd244bff77c35ce
sha1 9f8f7d928e9ea953a98da792dcfd59e99bdf6ec3
sha256 3a3c5c5eca5e19e48b1afb098073717f2c5cb125eef3f4fb30e8fde9ed7e7a03
sha512 e790348f32ccb76f94158b8ffbe4ccd72fcd67602eccf347f3abc95d8351d33c7ac523c82c8825717150a4c46d172273d9467955a316ef9cffbb677e69e7c2d9
ripemd-160 3e7e4057fc83888891480643c1df82aef50cc15c

21293894 as geometric shapes

Circle

Radius = n
Diameter 42587788
Circumference 133793481.91344
Area 1.4244921108778E+15

Sphere

Radius = n
Volume 4.0443978683826E+22
Surface area 5.6979684435114E+15
Circumference 133793481.91344

Square

Length = n
Perimeter 85175576
Area 453429921683236
Diagonal 30114113.690535

Cube

Length = n
Surface area 2720579530099416
Volume 9.6552886887511E+21
Space diagonal 36882106.298986

Equilateral Triangle

Length = n
Perimeter 63881682
Area 1.9634091550684E+14
Altitude 18441053.149493

Triangular Pyramid

Length = n
Surface area 1.9634091550684E+14
Volume 1.1378866843549E+21
Height 10038037.896845