21609979 (number)

21609979 is an odd 8-digits composite number following 21609978 and preceding 21609980. In scientific notation, it is written as 2.1609979 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 21287376 positive integers (up to 21609979) that are relatively prime to 21609979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1609979 × 10^7
Engineering notation 2.1609979 × 10^6

Prime Factorization of 21609979

Prime Factorization 67 × 322537

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21609979
Product of the distinct prime numbers

The prime factorization of 21609979 is 67 × 322537. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609979)

Multiplication

n×y
n×2 43219958
n×3 64829937
n×4 86439916
n×5 108049895

Division

n÷y
n÷2 10804989.5
n÷3 7203326.3333333
n÷3 5402494.75
n÷5 4321995.8

Exponentiation

ny
n2 466991192380441
n3 1.0091669860526E+22
n4 2.1808077376091E+29
n5 4.7127209412769E+36

Nth Root

y√n
2√n 4648.6534609497
3√n 278.5382108352
4√n 68.181034466703
5√n 29.304267425584

Divisors of 21609979

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 -21609978
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 21609979 can be divided by 4 positive divisors. The sum of these divisors (counting 21609979) is 1, the average is 0.25.

Base conversion 21609979

Base System Value
2 Binary 1010010011011110111111011
3 Ternary 1111122220022121
4 Quaternary 1102123313323
5 Quinary 21013004404
6 Senary 2051102111
8 Octal 122336773
10 Decimal 21609979
12 Duodecimal 72a1937
16 Hexadecimal 149bdfb
20 Vigesimal 6f14ij
36 Base36 cv6d7

Cryptographic Hash Functions

md5 38701ad8d9d6788e9410146ffdfd9ce4
sha1 c3c517016bcdb714004fd04cd9d5a6983d4bcd66
sha256 15ec407ab1d49029ab061006cab1d1aac9ef8122a010813a855b4bc525ac762c
sha512 68579bfbbc44d04a9e5613ab2fdecc83082b36f37a1b1cc4d660a620ae91fc06d0410dbc8a46c2ad64f0ab0a8e4ac8efda77ac5db34e9e73b4a9c0dc2b99dc25
ripemd-160 db8d65100ebd2412861ca49a7f88ba6d6608b42a

21609979 as geometric shapes

Circle

Radius = n
Diameter 43219958
Circumference 135779502.54126
Area 1.4670960992735E+15

Sphere

Radius = n
Volume 4.2271887861711E+22
Surface area 5.8683843970941E+15
Circumference 135779502.54126

Square

Length = n
Perimeter 86439916
Area 466991192380441
Diagonal 30561125.384398

Cube

Length = n
Surface area 2801947154282646
Volume 1.0091669860526E+22
Space diagonal 37429581.578496

Equilateral Triangle

Length = n
Perimeter 64829937
Area 2.0221311797252E+14
Altitude 18714790.789248

Triangular Pyramid

Length = n
Surface area 2.0221311797252E+14
Volume 1.1893146986457E+21
Height 10187041.794799