21006087 (number)

21006087 is an odd 8-digits composite number following 21006086 and preceding 21006088. In scientific notation, it is written as 2.1006087 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14004056 positive integers (up to 21006087) that are relatively prime to 21006087.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand eighty-seven

Notation

Scientific notation 2.1006087 × 10^7
Engineering notation 2.1006087 × 10^6

Prime Factorization of 21006087

Prime Factorization 3 × 7002029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21006087
Product of the distinct prime numbers

The prime factorization of 21006087 is 3 × 7002029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006087)

Multiplication

n×y
n×2 42012174
n×3 63018261
n×4 84024348
n×5 105030435

Division

n÷y
n÷2 10503043.5
n÷3 7002029
n÷3 5251521.75
n÷5 4201217.4

Exponentiation

ny
n2 441255691051569
n3 9.2690554354744E+21
n4 1.947065848854E+29
n5 4.0900234615755E+36

Nth Root

y√n
2√n 4583.2397929849
3√n 275.91907152564
4√n 67.699629193851
5√n 29.138623499678

Divisors of 21006087

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 -21006086
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 21006087 can be divided by 4 positive divisors. The sum of these divisors (counting 21006087) is 1, the average is 0.25.

Base conversion 21006087

Base System Value
2 Binary 1010000001000011100000111
3 Ternary 1110112012221020
4 Quaternary 1100020130013
5 Quinary 20334143322
6 Senary 2030122223
8 Octal 120103407
10 Decimal 21006087
12 Duodecimal 7050373
16 Hexadecimal 1408707
20 Vigesimal 6b5f47
36 Base36 ci8ef

Cryptographic Hash Functions

md5 b1a4d45fd0348b4c07cfbed80764388e
sha1 7d04652b4c27e45aff8aacbb2a92046250db9fbe
sha256 a0df0c298e321e35b53947454031f4362165d2472905b2c71fd2e501b66b6580
sha512 234a74d6200bf05373d6697d00495e9cfaaf26df807616d0545f40add055b25a679e9397127b5552fee9db454d9546fec4ec81226957aaa23ea344ad8f394cd4
ripemd-160 71960ba62a8a64392279ea9609e92a7895349352

21006087 as geometric shapes

Circle

Radius = n
Diameter 42012174
Circumference 131985137.19974
Area 1.3862456373623E+15

Sphere

Radius = n
Volume 3.8826128615737E+22
Surface area 5.5449825494492E+15
Circumference 131985137.19974

Square

Length = n
Perimeter 84024348
Area 441255691051569
Diagonal 29707093.127789

Cube

Length = n
Surface area 2647534146309414
Volume 9.2690554354744E+21
Space diagonal 36383609.952212

Equilateral Triangle

Length = n
Perimeter 63018261
Area 1.9106931900756E+14
Altitude 18191804.976106

Triangular Pyramid

Length = n
Surface area 1.9106931900756E+14
Volume 1.0923686589363E+21
Height 9902364.3759297