21494782 (number)

21494782 is an even 8-digits composite number following 21494781 and preceding 21494783. In scientific notation, it is written as 2.1494782 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10747390 positive integers (up to 21494782) that are relatively prime to 21494782.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand seven hundred eighty-two

Notation

Scientific notation 2.1494782 × 10^7
Engineering notation 2.1494782 × 10^6

Prime Factorization of 21494782

Prime Factorization 2 × 10747391

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494782
Product of the distinct prime numbers

The prime factorization of 21494782 is 2 × 10747391. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494782)

Multiplication

n×y
n×2 42989564
n×3 64484346
n×4 85979128
n×5 107473910

Division

n÷y
n÷2 10747391
n÷3 7164927.3333333
n÷3 5373695.5
n÷5 4298956.4

Exponentiation

ny
n2 462025653227524
n3 9.9311406945332E+21
n4 2.1346770424032E+29
n5 4.5884417666862E+36

Nth Root

y√n
2√n 4636.2465421934
3√n 278.04239127206
4√n 68.089988560679
5√n 29.272957955826

Divisors of 21494782

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494781
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494782 can be divided by 4 positive divisors. The sum of these divisors (counting 21494782) is 1, the average is 0.25.

Base conversion 21494782

Base System Value
2 Binary 1010001111111101111111110
3 Ternary 1111110001022001
4 Quaternary 1101333233332
5 Quinary 21000313112
6 Senary 2044412514
8 Octal 121775776
10 Decimal 21494782
12 Duodecimal 724713a
16 Hexadecimal 147fbfe
20 Vigesimal 6e6gj2
36 Base36 cspha

Cryptographic Hash Functions

md5 a1ccd7ef9a7d46f394a2e3fb42881631
sha1 c4852059a27d1a1032089f525a3ace3467227595
sha256 dbc7c1288045f4a8035f3ca9a576f4e52a32c27ef6d24ddd79956b4879f1967d
sha512 b9f8051d16eb192ac9eafa8b248b76b63da0552f9e0e68a17a3cf53decffcb76507bcc50788d84fe3ee68103ba979790c5c6f9c60dc07887570d3f8bbc350bce
ripemd-160 324aaf20595d401e775348c15b7f099e763f5313

21494782 as geometric shapes

Circle

Radius = n
Diameter 42989564
Circumference 135055698.44343
Area 1.4514963979496E+15

Sphere

Radius = n
Volume 4.1599464863616E+22
Surface area 5.8059855917985E+15
Circumference 135055698.44343

Square

Length = n
Perimeter 85979128
Area 462025653227524
Diagonal 30398212.224653

Cube

Length = n
Surface area 2772153919365144
Volume 9.9311406945332E+21
Space diagonal 37230054.521617

Equilateral Triangle

Length = n
Perimeter 64484346
Area 2.0006297644757E+14
Altitude 18615027.260808

Triangular Pyramid

Length = n
Surface area 2.0006297644757E+14
Volume 1.1703961550037E+21
Height 10132737.408218