21494842 (number)

21494842 is an even 8-digits composite number following 21494841 and preceding 21494843. In scientific notation, it is written as 2.1494842 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 10272960 positive integers (up to 21494842) that are relatively prime to 21494842.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494842 × 10^7
Engineering notation 2.1494842 × 10^6

Prime Factorization of 21494842

Prime Factorization 2 × 31 × 4177 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494842
Product of the distinct prime numbers

The prime factorization of 21494842 is 2 × 31 × 4177 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 68, 6, 187, 850, 7821, 5391, 67340, 26099, 838116, 597103, 5932290, 8630093, 17235943, 29407291, 46181353, 439580379, 5270420819, 7076544142

Basic calculations (n = 21494842)

Multiplication

n×y
n×2 42989684
n×3 64484526
n×4 85979368
n×5 107474210

Division

n÷y
n÷2 10747421
n÷3 7164947.3333333
n÷3 5373710.5
n÷5 4298968.4

Exponentiation

ny
n2 462028232604964
n3 9.9312238593829E+21
n4 2.1347008772407E+29
n5 4.588505807355E+36

Nth Root

y√n
2√n 4636.2530129405
3√n 278.04264997869
4√n 68.090036076804
5√n 29.272974298169

Divisors of 21494842

1, 2, 31, 62, 83, 166, 2573, 4177, 5146, 8354, 129487, 258974, 346691, 693382, 10747421, 21494842

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 -21494841
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 21494842 can be divided by 16 positive divisors. The sum of these divisors (counting 21494842) is 1, the average is 0.0625.

Base conversion 21494842

Base System Value
2 Binary 1010001111111110000111010
3 Ternary 1111110001101021
4 Quaternary 1101333300322
5 Quinary 21000313332
6 Senary 2044413054
8 Octal 121776072
10 Decimal 21494842
12 Duodecimal 724718a
16 Hexadecimal 147fc3a
20 Vigesimal 6e6h22
36 Base36 cspiy

Cryptographic Hash Functions

md5 6e5793473c494f439284a9b2d0e27dbc
sha1 0ff1b8e2a585a06921fc786a3c3670bb8c860c35
sha256 767c8146dff802a940b5ba894c4fdfaaae8aa6971882555d4f07f16d16ecc0ad
sha512 bf45470bd0ab73b2329919b9d8fe412ff30b059a9ea644e497ad2db853c3854ddf2b6625c49ad7d63561a76354c249f9d5deb46213c4ebf26eb167ec1603e84f
ripemd-160 bac4245f96d864d5c8c51f67caf3f5be8dec5d29

21494842 as geometric shapes

Circle

Radius = n
Diameter 42989684
Circumference 135056075.43455
Area 1.4515045013028E+15

Sphere

Radius = n
Volume 4.1599813223724E+22
Surface area 5.8060180052113E+15
Circumference 135056075.43455

Square

Length = n
Perimeter 85979368
Area 462028232604964
Diagonal 30398297.077467

Cube

Length = n
Surface area 2772169395629784
Volume 9.9312238593829E+21
Space diagonal 37230158.444665

Equilateral Triangle

Length = n
Perimeter 64484526
Area 2.0006409335076E+14
Altitude 18615079.222333

Triangular Pyramid

Length = n
Surface area 2.0006409335076E+14
Volume 1.1704059560752E+21
Height 10132765.692489