21284685 (number)

21284685 is an odd 8-digits composite number following 21284684 and preceding 21284686. In scientific notation, it is written as 2.1284685 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 11351808 positive integers (up to 21284685) that are relatively prime to 21284685.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred eighty-four thousand six hundred eighty-five

Notation

Scientific notation 2.1284685 × 10^7
Engineering notation 2.1284685 × 10^6

Prime Factorization of 21284685

Prime Factorization 5 × 9 × 472993

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21284685
Product of the distinct prime numbers

The prime factorization of 21284685 is 5 × 9 × 472993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21284685)

Multiplication

n×y
n×2 42569370
n×3 63854055
n×4 85138740
n×5 106423425

Division

n÷y
n÷2 10642342.5
n÷3 7094895
n÷3 5321171.25
n÷5 4256937

Exponentiation

ny
n2 453037815549225
n3 9.6427671970534E+21
n4 2.0524326231761E+29
n5 4.3685381868028E+36

Nth Root

y√n
2√n 4613.5328111979
3√n 277.13353134787
4√n 67.922991771549
5√n 29.215508216574

Divisors of 21284685

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21284684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21284685 can be divided by 8 positive divisors. The sum of these divisors (counting 21284685) is 1, the average is 0.125.

Base conversion 21284685

Base System Value
2 Binary 1010001001100011101001101
3 Ternary 1111001101002200
4 Quaternary 1101030131031
5 Quinary 20422102220
6 Senary 2040112113
8 Octal 121143515
10 Decimal 21284685
12 Duodecimal 7165639
16 Hexadecimal 144c74d
20 Vigesimal 6d0be5
36 Base36 co7d9

Cryptographic Hash Functions

md5 c83b26737adb872e0bebd4d37aa7e05f
sha1 520e2c9813773a1481c7a9993523e51af15ee039
sha256 44b1456b75e0d71a7254073573075196f10ef89cae38820ff391efd6337e9274
sha512 51c99d61cb9884a96668e22122c43018e8a3f3e0a63cb9583ad1e638e1c5e74e0173e29b01d4b46d6fc8f79074c50741ec4fd10bb04ea82ecb875a87633f8297
ripemd-160 ad2c18ad1d8f60aef9ee007926586a1e4168890b

21284685 as geometric shapes

Circle

Radius = n
Diameter 42569370
Circumference 133735620.05995
Area 1.4232602731278E+15

Sphere

Radius = n
Volume 4.0391528782053E+22
Surface area 5.6930410925113E+15
Circumference 133735620.05995

Square

Length = n
Perimeter 85138740
Area 453037815549225
Diagonal 30101090.197839

Cube

Length = n
Surface area 2718226893295350
Volume 9.6427671970534E+21
Space diagonal 36866155.843099

Equilateral Triangle

Length = n
Perimeter 63854055
Area 1.9617112857032E+14
Altitude 18433077.92155

Triangular Pyramid

Length = n
Surface area 1.9617112857032E+14
Volume 1.1364110124066E+21
Height 10033696.732613