21494844 (number)

21494844 is an even 8-digits composite number following 21494843 and preceding 21494845. In scientific notation, it is written as 2.1494844 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 6141312 positive integers (up to 21494844) that are relatively prime to 21494844.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred forty-four

Notation

Scientific notation 2.1494844 × 10^7
Engineering notation 2.1494844 × 10^6

Prime Factorization of 21494844

Prime Factorization 2 × 2 × 63 × 85297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10747422
Product of the distinct prime numbers

The prime factorization of 21494844 is 2 × 2 × 63 × 85297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 17, 10, 889, 81, 7066, 8693, 74587, 31583, 875208, 420308, 2675457, 2638221, 38039078, 47381719, 930235313, 572739515, 163175075, 5005583707

Basic calculations (n = 21494844)

Multiplication

n×y
n×2 42989688
n×3 64484532
n×4 85979376
n×5 107474220

Division

n÷y
n÷2 10747422
n÷3 7164948
n÷3 5373711
n÷5 4298968.8

Exponentiation

ny
n2 462028318584336
n3 9.9312266315526E+21
n4 2.1347016717387E+29
n5 4.5885079420562E+36

Nth Root

y√n
2√n 4636.2532286319
3√n 278.04265860224
4√n 68.090037660673
5√n 29.272974842914

Divisors of 21494844

1, 2, 4, 63, 126, 252, 85297, 170594, 341188, 5373711, 10747422, 21494844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494844 can be divided by 12 positive divisors. The sum of these divisors (counting 21494844) is 1, the average is 0.083333333333333.

Base conversion 21494844

Base System Value
2 Binary 1010001111111110000111100
3 Ternary 1111110001101100
4 Quaternary 1101333300330
5 Quinary 21000313334
6 Senary 2044413100
8 Octal 121776074
10 Decimal 21494844
12 Duodecimal 7247190
16 Hexadecimal 147fc3c
20 Vigesimal 6e6h24
36 Base36 cspj0

Cryptographic Hash Functions

md5 3d03ef077973ec051223cb1e907ebe05
sha1 042ea1e014ca0a4c461a51de8ab064fa1b93e275
sha256 e0dc8010cc7db61d530b700025b1e126284e72152596d4e0bf4721660b683248
sha512 7df19c00696affecbdf0d8689fb867804cec6455426c703cd16412402c1e8a43b97e6327a874dae91a5436caabd5983014d876f4a2c87ddaa7fa080d331dc79c
ripemd-160 481356816cde50b58fce9369bdeee8d9228a225f

21494844 as geometric shapes

Circle

Radius = n
Diameter 42989688
Circumference 135056088.00092
Area 1.451504771415E+15

Sphere

Radius = n
Volume 4.1599824835761E+22
Surface area 5.80601908566E+15
Circumference 135056088.00092

Square

Length = n
Perimeter 85979376
Area 462028318584336
Diagonal 30398299.905894

Cube

Length = n
Surface area 2772169911506016
Volume 9.9312266315526E+21
Space diagonal 37230161.908767

Equilateral Triangle

Length = n
Perimeter 64484532
Area 2.0006413058092E+14
Altitude 18615080.954384

Triangular Pyramid

Length = n
Surface area 2.0006413058092E+14
Volume 1.1704062827785E+21
Height 10132766.635298