21494886 (number)

21494886 is an even 8-digits composite number following 21494885 and preceding 21494887. In scientific notation, it is written as 2.1494886 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6010176 positive integers (up to 21494886) that are relatively prime to 21494886.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred eighty-six

Notation

Scientific notation 2.1494886 × 10^7
Engineering notation 2.1494886 × 10^6

Prime Factorization of 21494886

Prime Factorization 2 × 141 × 7 × 10889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494886
Product of the distinct prime numbers

The prime factorization of 21494886 is 2 × 141 × 7 × 10889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 95, 21, 508, 562, 6861, 5823, 13560, 42558, 320210, 75896, 735951, 4639227, 16523274, 22425617, 281317065, 894969912, 245753860, 4542640733

Basic calculations (n = 21494886)

Multiplication

n×y
n×2 42989772
n×3 64484658
n×4 85979544
n×5 107474430

Division

n÷y
n÷2 10747443
n÷3 7164962
n÷3 5373721.5
n÷5 4298977.2

Exponentiation

ny
n2 462030124152996
n3 9.9312848472345E+21
n4 2.1347183562483E+29
n5 4.5885527709665E+36

Nth Root

y√n
2√n 4636.2577581493
3√n 278.04283969658
4√n 68.0900709219
5√n 29.272986282531

Divisors of 21494886

1, 2, 7, 14, 141, 282, 987, 1974, 10889, 21778, 76223, 152446, 1535349, 3070698, 10747443, 21494886

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 -21494885
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 21494886 can be divided by 16 positive divisors. The sum of these divisors (counting 21494886) is 1, the average is 0.0625.

Base conversion 21494886

Base System Value
2 Binary 1010001111111110001100110
3 Ternary 1111110001102220
4 Quaternary 1101333301212
5 Quinary 21000314021
6 Senary 2044413210
8 Octal 121776146
10 Decimal 21494886
12 Duodecimal 7247206
16 Hexadecimal 147fc66
20 Vigesimal 6e6h46
36 Base36 cspk6

Cryptographic Hash Functions

md5 c557ddd5b6cfd0f7546a333920dd76e1
sha1 4c22ee8950a3f193918a571ba8f5171457776a8c
sha256 d448fa9f12ca824f4ff165d5c19fc2e23ebbf180c245f5a300d03f5192eea3f4
sha512 7d5059b2133254bba0ff16dbae24fb456a20c710cfceadb995bad62d74d6d76aba6c876478529c75ac2cfed3b3f2d878c3bc23e5395456b9fef88610d8cb169a
ripemd-160 ec76a5e70cd284d3c80d39cda38b3f665bd26927

21494886 as geometric shapes

Circle

Radius = n
Diameter 42989772
Circumference 135056351.8947
Area 1.4515104437762E+15

Sphere

Radius = n
Volume 4.1600068689039E+22
Surface area 5.8060417751049E+15
Circumference 135056351.8947

Square

Length = n
Perimeter 85979544
Area 462030124152996
Diagonal 30398359.302864

Cube

Length = n
Surface area 2772180744917976
Volume 9.9312848472345E+21
Space diagonal 37230234.654901

Equilateral Triangle

Length = n
Perimeter 64484658
Area 2.0006491241509E+14
Altitude 18615117.32745

Triangular Pyramid

Length = n
Surface area 2.0006491241509E+14
Volume 1.1704131435625E+21
Height 10132786.434288