21285612 (number)

21285612 is an even 8-digits composite number following 21285611 and preceding 21285613. In scientific notation, it is written as 2.1285612 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 7095168 positive integers (up to 21285612) that are relatively prime to 21285612.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1285612 × 10^7
Engineering notation 2.1285612 × 10^6

Prime Factorization of 21285612

Prime Factorization 2 × 2 × 27 × 197089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10642806
Product of the distinct prime numbers

The prime factorization of 21285612 is 2 × 2 × 27 × 197089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21285612)

Multiplication

n×y
n×2 42571224
n×3 63856836
n×4 85142448
n×5 106428060

Division

n÷y
n÷2 10642806
n÷3 7095204
n÷3 5321403
n÷5 4257122.4

Exponentiation

ny
n2 453077278214544
n3 9.6440271500908E+21
n4 2.052790200343E+29
n5 4.3694895721903E+36

Nth Root

y√n
2√n 4613.6332754132
3√n 277.13755457011
4√n 67.923731312504
5√n 29.215762693483

Divisors of 21285612

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21285611
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21285612 can be divided by 12 positive divisors. The sum of these divisors (counting 21285612) is 1, the average is 0.083333333333333.

Base conversion 21285612

Base System Value
2 Binary 1010001001100101011101100
3 Ternary 1111001102101000
4 Quaternary 1101030223230
5 Quinary 20422114422
6 Senary 2040120300
8 Octal 121145354
10 Decimal 21285612
12 Duodecimal 7166090
16 Hexadecimal 144caec
20 Vigesimal 6d0e0c
36 Base36 co830

Cryptographic Hash Functions

md5 de6e5cc0517dc06654d7b427bd503f64
sha1 a8976a6b830e2b0f8df957f457b9d1ac54ff9728
sha256 278674d2fa0d5823d699310444b74e563cfc953fd2b7259ab816ca9966c57add
sha512 a5799a5ee977478c5bc73ad82a00115ff77f6712710a6385441cd51e22ee87eaa21f6a76f17682b51d7b238be124578cc9b408262a5b341ad0a87345038401ae
ripemd-160 e718f7aef792804cd0095be7302a9ccfa1b08c40

21285612 as geometric shapes

Circle

Radius = n
Diameter 42571224
Circumference 133741444.57273
Area 1.4233842487473E+15

Sphere

Radius = n
Volume 4.0396806460995E+22
Surface area 5.6935369949891E+15
Circumference 133741444.57273

Square

Length = n
Perimeter 85142448
Area 453077278214544
Diagonal 30102401.173812

Cube

Length = n
Surface area 2718463669287264
Volume 9.6440271500908E+21
Space diagonal 36867761.454198

Equilateral Triangle

Length = n
Perimeter 63856836
Area 1.9618821640565E+14
Altitude 18433880.727099

Triangular Pyramid

Length = n
Surface area 1.9618821640565E+14
Volume 1.1365594992961E+21
Height 10034133.724604