21609965 (number)

21609965 is an odd 8-digits composite number following 21609964 and preceding 21609966. In scientific notation, it is written as 2.1609965 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 15958080 positive integers (up to 21609965) that are relatively prime to 21609965.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609965 × 10^7
Engineering notation 2.1609965 × 10^6

Prime Factorization of 21609965

Prime Factorization 65 × 332461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609965
Product of the distinct prime numbers

The prime factorization of 21609965 is 65 × 332461. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609965)

Multiplication

n×y
n×2 43219930
n×3 64829895
n×4 86439860
n×5 108049825

Division

n÷y
n÷2 10804982.5
n÷3 7203321.6666667
n÷3 5402491.25
n÷5 4321993

Exponentiation

ny
n2 466990587301225
n3 1.0091650246909E+22
n4 2.1808020862794E+29
n5 4.7127056756425E+36

Nth Root

y√n
2√n 4648.6519551371
3√n 278.53815068497
4√n 68.181023423949
5√n 29.304263628636

Divisors of 21609965

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 -21609964
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 21609965 can be divided by 4 positive divisors. The sum of these divisors (counting 21609965) is 1, the average is 0.25.

Base conversion 21609965

Base System Value
2 Binary 1010010011011110111101101
3 Ternary 1111122220022002
4 Quaternary 1102123313231
5 Quinary 21013004330
6 Senary 2051102045
8 Octal 122336755
10 Decimal 21609965
12 Duodecimal 72a1925
16 Hexadecimal 149bded
20 Vigesimal 6f14i5
36 Base36 cv6ct

Cryptographic Hash Functions

md5 2ada1cad7f500d20e4aed9d855ca627b
sha1 6ca5730187e316ea0d9670a747096897404167de
sha256 0f36ef75bf22f75ddc0b35c0c9f090305b6cdf1bb1bca1a0a6061986a56c2d91
sha512 08d9aa242e230c50c914691bde5f5dd30026e3f2499d6052779d399aefdb96f97d60cb415e4ebbde25ac26f31d45a60ce521e2f498fc9dd3abd5ba309ca1dcc5
ripemd-160 4980801813aab76766943630447fde95c21d9d15

21609965 as geometric shapes

Circle

Radius = n
Diameter 43219930
Circumference 135779414.57667
Area 1.4670941983611E+15

Sphere

Radius = n
Volume 4.2271805704382E+22
Surface area 5.8683767934444E+15
Circumference 135779414.57667

Square

Length = n
Perimeter 86439860
Area 466990587301225
Diagonal 30561105.585408

Cube

Length = n
Surface area 2801943523807350
Volume 1.0091650246909E+22
Space diagonal 37429557.329785

Equilateral Triangle

Length = n
Perimeter 64829895
Area 2.0221285596554E+14
Altitude 18714778.664893

Triangular Pyramid

Length = n
Surface area 2.0221285596554E+14
Volume 1.1893123871587E+21
Height 10187035.195136