21006946 (number)

21006946 is an even 8-digits composite number following 21006945 and preceding 21006947. In scientific notation, it is written as 2.1006946 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10503472 positive integers (up to 21006946) that are relatively prime to 21006946.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred forty-six

Notation

Scientific notation 2.1006946 × 10^7
Engineering notation 2.1006946 × 10^6

Prime Factorization of 21006946

Prime Factorization 2 × 10503473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21006946
Product of the distinct prime numbers

The prime factorization of 21006946 is 2 × 10503473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006946)

Multiplication

n×y
n×2 42013892
n×3 63020838
n×4 84027784
n×5 105034730

Division

n÷y
n÷2 10503473
n÷3 7002315.3333333
n÷3 5251736.5
n÷5 4201389.2

Exponentiation

ny
n2 441291780246916
n3 9.2701925978908E+21
n4 1.9473843531349E+29
n5 4.090859794755E+36

Nth Root

y√n
2√n 4583.3335030303
3√n 275.92283251885
4√n 67.700321291928
5√n 29.138861808395

Divisors of 21006946

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 -21006945
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 21006946 can be divided by 4 positive divisors. The sum of these divisors (counting 21006946) is 1, the average is 0.25.

Base conversion 21006946

Base System Value
2 Binary 1010000001000101001100010
3 Ternary 1110112021010001
4 Quaternary 1100020221202
5 Quinary 20334210241
6 Senary 2030130214
8 Octal 120105142
10 Decimal 21006946
12 Duodecimal 705096a
16 Hexadecimal 1408a62
20 Vigesimal 6b5h76
36 Base36 ci92a

Cryptographic Hash Functions

md5 c618e226245d64d8f22b888da59d9cff
sha1 28e1cb3fd362aecc440abbd83b500b5e9a029b13
sha256 9d85f89c221aab3611ec272e9baa66bee902f1e786967674f4cd14659496e521
sha512 f2c5e3cce6d8bb5dea706ec1c357b6201c70f396e751067de94604db054a4fd42fb7f4cee81708cc60a55bd9312e95946ac70af83a7b7ae3948784e3baa8eaca
ripemd-160 c8871689fe663e5990923fb2edab389cfaff6283

21006946 as geometric shapes

Circle

Radius = n
Diameter 42013892
Circumference 131990534.45591
Area 1.3863590149133E+15

Sphere

Radius = n
Volume 3.8830891950528E+22
Surface area 5.5454360596531E+15
Circumference 131990534.45591

Square

Length = n
Perimeter 84027784
Area 441291780246916
Diagonal 29708307.937239

Cube

Length = n
Surface area 2647750681481496
Volume 9.2701925978908E+21
Space diagonal 36385097.783856

Equilateral Triangle

Length = n
Perimeter 63020838
Area 1.9108494608754E+14
Altitude 18192548.891928

Triangular Pyramid

Length = n
Surface area 1.9108494608754E+14
Volume 1.0925026748123E+21
Height 9902769.3124131