21087089 (number)

21087089 is an odd 8-digits composite number following 21087088 and preceding 21087090. In scientific notation, it is written as 2.1087089 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19161856 positive integers (up to 21087089) that are relatively prime to 21087089.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand eighty-nine

Notation

Scientific notation 2.1087089 × 10^7
Engineering notation 2.1087089 × 10^6

Prime Factorization of 21087089

Prime Factorization 17 × 29 × 42773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21087089
Product of the distinct prime numbers

The prime factorization of 21087089 is 17 × 29 × 42773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087089)

Multiplication

n×y
n×2 42174178
n×3 63261267
n×4 84348356
n×5 105435445

Division

n÷y
n÷2 10543544.5
n÷3 7029029.6666667
n÷3 5271772.25
n÷5 4217417.8

Exponentiation

ny
n2 444665322493921
n3 9.376697230643E+21
n4 1.9772724902862E+29
n5 4.1694920979917E+36

Nth Root

y√n
2√n 4592.0680526316
3√n 276.27327568125
4√n 67.764799510008
5√n 29.161061325069

Divisors of 21087089

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 -21087088
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 21087089 can be divided by 8 positive divisors. The sum of these divisors (counting 21087089) is 1, the average is 0.125.

Base conversion 21087089

Base System Value
2 Binary 1010000011100001101110001
3 Ternary 1110200100001022
4 Quaternary 1100130031301
5 Quinary 20344241324
6 Senary 2031545225
8 Octal 120341561
10 Decimal 21087089
12 Duodecimal 708b215
16 Hexadecimal 141c371
20 Vigesimal 6bfhe9
36 Base36 cjywh

Cryptographic Hash Functions

md5 5eb75d1a8a1299a3b40ebb527e258525
sha1 b95f9b567a37b6f29e9997add95deb8907397123
sha256 f3b1db0c5810b93ade1fd5da34489fbc551e82cefedd87b7716c455867ac6360
sha512 f5bd4153906bd2933a1d946e40be706ca81a6e0b490c5b746f0f42fa7005d0d15a02c45ed17d7349a53b06f8096104a49df24a6ec3f44fba25d26e0e19a17817
ripemd-160 9b915f3470ceec8f5a63ac7d1c079973f6d6fd0a

21087089 as geometric shapes

Circle

Radius = n
Diameter 42174178
Circumference 132494087.77599
Area 1.396957310453E+15

Sphere

Radius = n
Volume 3.9277017512965E+22
Surface area 5.5878292418122E+15
Circumference 132494087.77599

Square

Length = n
Perimeter 84348356
Area 444665322493921
Diagonal 29821647.254769

Cube

Length = n
Surface area 2667991934963526
Volume 9.376697230643E+21
Space diagonal 36523909.531727

Equilateral Triangle

Length = n
Perimeter 63261267
Area 1.9254573273087E+14
Altitude 18261954.765863

Triangular Pyramid

Length = n
Surface area 1.9254573273087E+14
Volume 1.1050543661535E+21
Height 9940549.0849228