21609961 (number)

21609961 is an odd 8-digits composite number following 21609960 and preceding 21609962. In scientific notation, it is written as 2.1609961 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21025872 positive integers (up to 21609961) that are relatively prime to 21609961.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609961 × 10^7
Engineering notation 2.1609961 × 10^6

Prime Factorization of 21609961

Prime Factorization 37 × 584053

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609961
Product of the distinct prime numbers

The prime factorization of 21609961 is 37 × 584053. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609961)

Multiplication

n×y
n×2 43219922
n×3 64829883
n×4 86439844
n×5 108049805

Division

n÷y
n÷2 10804980.5
n÷3 7203320.3333333
n÷3 5402490.25
n÷5 4321992.2

Exponentiation

ny
n2 466990414421521
n3 1.0091644643023E+22
n4 2.1808004716158E+29
n5 4.71270131404E+36

Nth Root

y√n
2√n 4648.6515249048
3√n 278.53813349918
4√n 68.181020268876
5√n 29.304262543793

Divisors of 21609961

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 -21609960
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 21609961 can be divided by 4 positive divisors. The sum of these divisors (counting 21609961) is 1, the average is 0.25.

Base conversion 21609961

Base System Value
2 Binary 1010010011011110111101001
3 Ternary 1111122220021221
4 Quaternary 1102123313221
5 Quinary 21013004321
6 Senary 2051102041
8 Octal 122336751
10 Decimal 21609961
12 Duodecimal 72a1921
16 Hexadecimal 149bde9
20 Vigesimal 6f14i1
36 Base36 cv6cp

Cryptographic Hash Functions

md5 971bdcbe2e728990766e9bcbbf6da145
sha1 e72d6e3ee5387d37ef693f9a3d065022bf62c2cd
sha256 e44b57142f56f4c2f8ed7862825f1c7719525632ad99af326642126de29e5bb7
sha512 dc869049a91e64d54df2dc8c1d5f888167fc6f03ac123207056f4d4c270f3e91dd1de0cc767531c86a0ac79c22d0f83c79ff2b7692993d877902c4269c8f6d5f
ripemd-160 bb5d4a2d9c7da539d6e1802c5aef49cf59f2193f

21609961 as geometric shapes

Circle

Radius = n
Diameter 43219922
Circumference 135779389.44392
Area 1.4670936552435E+15

Sphere

Radius = n
Volume 4.2271782230879E+22
Surface area 5.868374620974E+15
Circumference 135779389.44392

Square

Length = n
Perimeter 86439844
Area 466990414421521
Diagonal 30561099.928554

Cube

Length = n
Surface area 2801942486529126
Volume 1.0091644643023E+22
Space diagonal 37429550.401582

Equilateral Triangle

Length = n
Perimeter 64829883
Area 2.0221278110643E+14
Altitude 18714775.200791

Triangular Pyramid

Length = n
Surface area 2.0221278110643E+14
Volume 1.1893117267344E+21
Height 10187033.309518