21609994 (number)

21609994 is an even 8-digits composite number following 21609993 and preceding 21609995. In scientific notation, it is written as 2.1609994 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9045792 positive integers (up to 21609994) that are relatively prime to 21609994.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred ninety-four

Notation

Scientific notation 2.1609994 × 10^7
Engineering notation 2.1609994 × 10^6

Prime Factorization of 21609994

Prime Factorization 2 × 7 × 43 × 35897

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21609994
Product of the distinct prime numbers

The prime factorization of 21609994 is 2 × 7 × 43 × 35897. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609994)

Multiplication

n×y
n×2 43219988
n×3 64829982
n×4 86439976
n×5 108049970

Division

n÷y
n÷2 10804997
n÷3 7203331.3333333
n÷3 5402498.5
n÷5 4321998.8

Exponentiation

ny
n2 466991840680036
n3 1.0091690875145E+22
n4 2.1808137926173E+29
n5 4.7127372973577E+36

Nth Root

y√n
2√n 4648.6550743199
3√n 278.53827528185
4√n 68.181046298219
5√n 29.304271493741

Divisors of 21609994

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609993
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609994 can be divided by 16 positive divisors. The sum of these divisors (counting 21609994) is 1, the average is 0.0625.

Base conversion 21609994

Base System Value
2 Binary 1010010011011111000001010
3 Ternary 1111122220100011
4 Quaternary 1102123320022
5 Quinary 21013004434
6 Senary 2051102134
8 Octal 122337012
10 Decimal 21609994
12 Duodecimal 72a194a
16 Hexadecimal 149be0a
20 Vigesimal 6f14je
36 Base36 cv6dm

Cryptographic Hash Functions

md5 93c19c9238514f331aa55046a71dc27b
sha1 f652711bfe5d765717f729db1a691293d3b39152
sha256 709e7beebc8bc3b5f012a3f5a57eb80043d7ff524089853ac063f509d7525c34
sha512 f2545c47db6e0ec366d3752c0f0cc7f05c90120cbdf0a064892a18cd7e8c34131bcbb627fa603f76b3020157aa7d72ebc546607037d772d9646675fa1a49ba5c
ripemd-160 82fac2df4c516db3ad9d8ae0432101782c051ccc

21609994 as geometric shapes

Circle

Radius = n
Diameter 43219988
Circumference 135779596.78904
Area 1.4670981359668E+15

Sphere

Radius = n
Volume 4.2271975887538E+22
Surface area 5.8683925438671E+15
Circumference 135779596.78904

Square

Length = n
Perimeter 86439976
Area 466991840680036
Diagonal 30561146.597601

Cube

Length = n
Surface area 2801951044080216
Volume 1.0091690875145E+22
Space diagonal 37429607.559259

Equilateral Triangle

Length = n
Perimeter 64829982
Area 2.0221339869448E+14
Altitude 18714803.779629

Triangular Pyramid

Length = n
Surface area 2.0221339869448E+14
Volume 1.1893171752422E+21
Height 10187048.865867