21079894 (number)

21079894 is an even 8-digits composite number following 21079893 and preceding 21079895. In scientific notation, it is written as 2.1079894 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9581660 positive integers (up to 21079894) that are relatively prime to 21079894.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-nine thousand eight hundred ninety-four

Notation

Scientific notation 2.1079894 × 10^7
Engineering notation 2.1079894 × 10^6

Prime Factorization of 21079894

Prime Factorization 2 × 121 × 87107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21079894
Product of the distinct prime numbers

The prime factorization of 21079894 is 2 × 121 × 87107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21079894)

Multiplication

n×y
n×2 42159788
n×3 63239682
n×4 84319576
n×5 105399470

Division

n÷y
n÷2 10539947
n÷3 7026631.3333333
n÷3 5269973.5
n÷5 4215978.8

Exponentiation

ny
n2 444361931051236
n3 9.3671024041954E+21
n4 1.9745752576758E+29
n5 4.1623837126829E+36

Nth Root

y√n
2√n 4591.2845697038
3√n 276.24185025404
4√n 67.759018364376
5√n 29.15907107902

Divisors of 21079894

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21079893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21079894 can be divided by 8 positive divisors. The sum of these divisors (counting 21079894) is 1, the average is 0.125.

Base conversion 21079894

Base System Value
2 Binary 1010000011010011101010110
3 Ternary 1110122222011211
4 Quaternary 1100122131112
5 Quinary 20344024034
6 Senary 2031452034
8 Octal 120323526
10 Decimal 21079894
12 Duodecimal 708701a
16 Hexadecimal 141a756
20 Vigesimal 6bejee
36 Base36 cjtcm

Cryptographic Hash Functions

md5 f78693863b21d2b49d78139d073ecc55
sha1 5b5b71143eb888bada6c265333720581df2233cf
sha256 0ab7dae7edce819123b28bff29abb7a7e040caeb9d8d906e67ad6ada24362377
sha512 bf1fe99ec1e69bbb2447b1e3f06ec3c27981a0c56615880385e18380d70ebf4e459251b7b2626de2b934db2ba3b067db46eb78a269023dde47af51941aa321ec
ripemd-160 4fa77661f7b4256dfbb7f6425c1d40377060d4e0

21079894 as geometric shapes

Circle

Radius = n
Diameter 42159788
Circumference 132448880.2577
Area 1.3960041781255E+15

Sphere

Radius = n
Volume 3.9236826797925E+22
Surface area 5.5840167125021E+15
Circumference 132448880.2577

Square

Length = n
Perimeter 84319576
Area 444361931051236
Diagonal 29811471.988187

Cube

Length = n
Surface area 2666171586307416
Volume 9.3671024041954E+21
Space diagonal 36511447.426166

Equilateral Triangle

Length = n
Perimeter 63239682
Area 1.9241436038254E+14
Altitude 18255723.713083

Triangular Pyramid

Length = n
Surface area 1.9241436038254E+14
Volume 1.1039236050126E+21
Height 9937157.3293957