21494916 (number)

21494916 is an even 8-digits composite number following 21494915 and preceding 21494917. In scientific notation, it is written as 2.1494916 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 6916896 positive integers (up to 21494916) that are relatively prime to 21494916.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand nine hundred sixteen

Notation

Scientific notation 2.1494916 × 10^7
Engineering notation 2.1494916 × 10^6

Prime Factorization of 21494916

Prime Factorization 2 × 2 × 87 × 9 × 6863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747458
Product of the distinct prime numbers

The prime factorization of 21494916 is 2 × 2 × 87 × 9 × 6863. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494916)

Multiplication

n×y
n×2 42989832
n×3 64484748
n×4 85979664
n×5 107474580

Division

n÷y
n÷2 10747458
n÷3 7164972
n÷3 5373729
n÷5 4298983.2

Exponentiation

ny
n2 462031413847056
n3 9.9313264300037E+21
n4 2.1347302738151E+29
n5 4.5885847918312E+36

Nth Root

y√n
2√n 4636.2609935162
3√n 278.04296904954
4√n 68.090094679889
5√n 29.272994453676

Divisors of 21494916

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494916 can be divided by 24 positive divisors. The sum of these divisors (counting 21494916) is 1, the average is 0.041666666666667.

Base conversion 21494916

Base System Value
2 Binary 1010001111111110010000100
3 Ternary 1111110001111000
4 Quaternary 1101333302010
5 Quinary 21000314131
6 Senary 2044413300
8 Octal 121776204
10 Decimal 21494916
12 Duodecimal 7247230
16 Hexadecimal 147fc84
20 Vigesimal 6e6h5g
36 Base36 cspl0

Cryptographic Hash Functions

md5 ba8e029823950fb757b57ff125f1516d
sha1 3d7a2081be5847d53c3d05711fca399e9b1a30a2
sha256 b4ca217c9c59b2e1c2edd8a392978ac4ffcfc12910a7620a656df58a3d0732d4
sha512 5f8019fb2b0128d4bec32656da4c1016b32aab869dd3ffa5d98ec54f249abdad1c9c9b2a5f6d8c56d6457fb2e97454a62d2e8a3bd4d0278b96b9e45684a45065
ripemd-160 b461935878dc2f8348eb82dc9a5ad2e96aabcb70

21494916 as geometric shapes

Circle

Radius = n
Diameter 42989832
Circumference 135056540.39026
Area 1.4515144954696E+15

Sphere

Radius = n
Volume 4.1600242870536E+22
Surface area 5.8060579818785E+15
Circumference 135056540.39026

Square

Length = n
Perimeter 85979664
Area 462031413847056
Diagonal 30398401.72927

Cube

Length = n
Surface area 2772188483082336
Volume 9.9313264300037E+21
Space diagonal 37230286.616425

Equilateral Triangle

Length = n
Perimeter 64484748
Area 2.00065470869E+14
Altitude 18615143.308213

Triangular Pyramid

Length = n
Surface area 2.00065470869E+14
Volume 1.1704180441388E+21
Height 10132800.576423