21609989 (number)

21609989 is an odd 8-digits composite number following 21609988 and preceding 21609990. In scientific notation, it is written as 2.1609989 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 20789056 positive integers (up to 21609989) that are relatively prime to 21609989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609989 × 10^7
Engineering notation 2.1609989 × 10^6

Prime Factorization of 21609989

Prime Factorization 59 × 47 × 7793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21609989
Product of the distinct prime numbers

The prime factorization of 21609989 is 59 × 47 × 7793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609989)

Multiplication

n×y
n×2 43219978
n×3 64829967
n×4 86439956
n×5 108049945

Division

n÷y
n÷2 10804994.5
n÷3 7203329.6666667
n÷3 5402497.25
n÷5 4321997.8

Exponentiation

ny
n2 466991624580121
n3 1.0091683870269E+22
n4 2.1808117742798E+29
n5 4.7127318453257E+36

Nth Root

y√n
2√n 4648.6545365299
3√n 278.53825379964
4√n 68.181042354381
5√n 29.304270137689

Divisors of 21609989

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 -21609988
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 21609989 can be divided by 8 positive divisors. The sum of these divisors (counting 21609989) is 1, the average is 0.125.

Base conversion 21609989

Base System Value
2 Binary 1010010011011111000000101
3 Ternary 1111122220022222
4 Quaternary 1102123320011
5 Quinary 21013004424
6 Senary 2051102125
8 Octal 122337005
10 Decimal 21609989
12 Duodecimal 72a1945
16 Hexadecimal 149be05
20 Vigesimal 6f14j9
36 Base36 cv6dh

Cryptographic Hash Functions

md5 6c36d29013088774c23dffad65d3b93e
sha1 75f2cdeead56ae1f983caea63252ea5f3e8efe38
sha256 4e3f1d351d8eca13319929ffb682af77848b9fe7d50883cd8b6d3f911d374fbf
sha512 54749ac36b792f5bed75e77f07db6ca0aaff72d5cd5a8a9c48b16e620d88563f4f49d44864ddc035564426506bf48b8585810f693c5667d5c9400be9126d0056
ripemd-160 87397735483da9e5423c38c9a35f643e743b83d3

21609989 as geometric shapes

Circle

Radius = n
Diameter 43219978
Circumference 135779565.37311
Area 1.4670974570689E+15

Sphere

Radius = n
Volume 4.2271946545582E+22
Surface area 5.8683898282755E+15
Circumference 135779565.37311

Square

Length = n
Perimeter 86439956
Area 466991624580121
Diagonal 30561139.526533

Cube

Length = n
Surface area 2801949747480726
Volume 1.0091683870269E+22
Space diagonal 37429598.899005

Equilateral Triangle

Length = n
Perimeter 64829967
Area 2.0221330512048E+14
Altitude 18714799.449502

Triangular Pyramid

Length = n
Surface area 2.0221330512048E+14
Volume 1.1893163497096E+21
Height 10187046.508844