21494578 (number)

21494578 is an even 8-digits composite number following 21494577 and preceding 21494579. In scientific notation, it is written as 2.1494578 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8987040 positive integers (up to 21494578) that are relatively prime to 21494578.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand five hundred seventy-eight

Notation

Scientific notation 2.1494578 × 10^7
Engineering notation 2.1494578 × 10^6

Prime Factorization of 21494578

Prime Factorization 2 × 7 × 41 × 37447

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494578
Product of the distinct prime numbers

The prime factorization of 21494578 is 2 × 7 × 41 × 37447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 63, 37, 526, 355, 7280, 4657, 19884, 52874, 216238, 529157, 8237630, 7129461, 17283539, 66936252, 934299323, 27975207, 8252395100, 3953072398

Basic calculations (n = 21494578)

Multiplication

n×y
n×2 42989156
n×3 64483734
n×4 85978312
n×5 107472890

Division

n÷y
n÷2 10747289
n÷3 7164859.3333333
n÷3 5373644.5
n÷5 4298915.6

Exponentiation

ny
n2 462016883398084
n3 9.930857937517E+21
n4 2.1345960054488E+29
n5 4.5882240337607E+36

Nth Root

y√n
2√n 4636.2245415855
3√n 278.04151166591
4√n 68.089827005108
5√n 29.272902391587

Divisors of 21494578

1, 2, 7, 14, 41, 82, 287, 574, 37447, 74894, 262129, 524258, 1535327, 3070654, 10747289, 21494578

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 -21494577
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 21494578 can be divided by 16 positive divisors. The sum of these divisors (counting 21494578) is 1, the average is 0.0625.

Base conversion 21494578

Base System Value
2 Binary 1010001111111101100110010
3 Ternary 1111110001000111
4 Quaternary 1101333230302
5 Quinary 21000311303
6 Senary 2044411534
8 Octal 121775462
10 Decimal 21494578
12 Duodecimal 7246baa
16 Hexadecimal 147fb32
20 Vigesimal 6e6g8i
36 Base36 cspbm

Cryptographic Hash Functions

md5 51fd2387e5812e51ca71162dfd3bc94f
sha1 8e50fb4683834b72ba71d7d75bde76a5f15a90ad
sha256 55decbea257351f8b7c882ce9325f9a1c74d13216d0ea25d414fa8c6f5f91915
sha512 df0315f3f9cef14f7208f8dd710a9dc94ae4c62a37c41165ede8086725365fc6e690b02a37e0bde6b45b2c0e195e5069fd6168dd075264439ba9b5e6f2fe96da
ripemd-160 6f8d24b5904b4f69cc091a3967158a3411f7b349

21494578 as geometric shapes

Circle

Radius = n
Diameter 42989156
Circumference 135054416.67363
Area 1.4514688467179E+15

Sphere

Radius = n
Volume 4.1598280453796E+22
Surface area 5.8058753868715E+15
Circumference 135054416.67363

Square

Length = n
Perimeter 85978312
Area 462016883398084
Diagonal 30397923.725086

Cube

Length = n
Surface area 2772101300388504
Volume 9.930857937517E+21
Space diagonal 37229701.183252

Equilateral Triangle

Length = n
Perimeter 64483734
Area 2.0005917900003E+14
Altitude 18614850.591626

Triangular Pyramid

Length = n
Surface area 2.0005917900003E+14
Volume 1.1703628317698E+21
Height 10132641.241695