21546989 (number)

21546989 is an odd 8-digits composite number following 21546988 and preceding 21546990. In scientific notation, it is written as 2.1546989 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 21304800 positive integers (up to 21546989) that are relatively prime to 21546989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1546989 × 10^7
Engineering notation 2.1546989 × 10^6

Prime Factorization of 21546989

Prime Factorization 89 × 242101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21546989
Product of the distinct prime numbers

The prime factorization of 21546989 is 89 × 242101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21546989)

Multiplication

n×y
n×2 43093978
n×3 64640967
n×4 86187956
n×5 107734945

Division

n÷y
n÷2 10773494.5
n÷3 7182329.6666667
n÷3 5386747.25
n÷5 4309397.8

Exponentiation

ny
n2 464272734966121
n3 1.0003679513315E+22
n4 2.1554917243292E+29
n5 4.6444356473713E+36

Nth Root

y√n
2√n 4641.8734364478
3√n 278.26731443229
4√n 68.131295572944
5√n 29.287163922036

Divisors of 21546989

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 -21546988
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 21546989 can be divided by 4 positive divisors. The sum of these divisors (counting 21546989) is 1, the average is 0.25.

Base conversion 21546989

Base System Value
2 Binary 1010010001100011111101101
3 Ternary 1111112200220122
4 Quaternary 1102030133231
5 Quinary 21004000424
6 Senary 2045454325
8 Octal 122143755
10 Decimal 21546989
12 Duodecimal 72713a5
16 Hexadecimal 148c7ed
20 Vigesimal 6ed799
36 Base36 cttrh

Cryptographic Hash Functions

md5 d56fab587da7e791808b1bb3f031adce
sha1 822ac650b27e90fd5438898a69231d191832ed20
sha256 cdafceebc54ca0fc96d3866a9183cef50f0357aaedae40cb716f88fe6fe961ca
sha512 4740081d501dc8ce600e74ece85ca2ccc500d4736c841d60bda1d55b2aae3fa8721c1acd5d09783f0b5bb2e767b46fe37c28897b3de04a6945e57887b09250fe
ripemd-160 8adf468097898cbf6f6adc58a3365818324adea0

21546989 as geometric shapes

Circle

Radius = n
Diameter 43093978
Circumference 135383724.69876
Area 1.4585558134316E+15

Sphere

Radius = n
Volume 4.1903314757196E+22
Surface area 5.8342232537264E+15
Circumference 135383724.69876

Square

Length = n
Perimeter 86187956
Area 464272734966121
Diagonal 30472044.072104

Cube

Length = n
Surface area 2785636409796726
Volume 1.0003679513315E+22
Space diagonal 37320479.698128

Equilateral Triangle

Length = n
Perimeter 64640967
Area 2.0103599138257E+14
Altitude 18660239.849064

Triangular Pyramid

Length = n
Surface area 2.0103599138257E+14
Volume 1.1789449367803E+21
Height 10157348.024035