21084894 (number)

21084894 is an even 8-digits composite number following 21084893 and preceding 21084895. In scientific notation, it is written as 2.1084894 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 64 positive divisors. There are 6687360 positive integers (up to 21084894) that are relatively prime to 21084894.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand eight hundred ninety-four

Notation

Scientific notation 2.1084894 × 10^7
Engineering notation 2.1084894 × 10^6

Prime Factorization of 21084894

Prime Factorization 2 × 9 × 3 × 37 × 61 × 173

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 21084894
Product of the distinct prime numbers

The prime factorization of 21084894 is 2 × 9 × 3 × 37 × 61 × 173. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084894)

Multiplication

n×y
n×2 42169788
n×3 63254682
n×4 84339576
n×5 105424470

Division

n÷y
n÷2 10542447
n÷3 7028298
n÷3 5271223.5
n÷5 4216978.8

Exponentiation

ny
n2 444572754991236
n3 9.3737694142782E+21
n4 1.976449344805E+29
n5 4.1673224931582E+36

Nth Root

y√n
2√n 4591.8290473405
3√n 276.26368939076
4√n 67.763035995596
5√n 29.160454212396

Divisors of 21084894

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21084893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084894 can be divided by 64 positive divisors. The sum of these divisors (counting 21084894) is 1, the average is 0.015625.

Base conversion 21084894

Base System Value
2 Binary 1010000011011101011011110
3 Ternary 1110200020001000
4 Quaternary 1100123223132
5 Quinary 20344204034
6 Senary 2031531130
8 Octal 120335336
10 Decimal 21084894
12 Duodecimal 7089aa6
16 Hexadecimal 141bade
20 Vigesimal 6bfc4e
36 Base36 cjx7i

Cryptographic Hash Functions

md5 6e441d13d4da75723b9c0a1d11016ebe
sha1 3658e26f8c53f330c0720168efa8c369aca5126d
sha256 b57c2400ad633316d7fdf7f0ceb12bbce638c080b841cde502b921bfba760802
sha512 fb9bef7bab0353e4b39d958c8bd793c5f6f4b79707e064f220ef3d2b4a6af799b8933a4cdb0f9134d505fc19334ce1f17b479b130fa48a2f06000c0aab7d0125
ripemd-160 d36630225286abf8280ba41dbe5b6c8cf81ae774

21084894 as geometric shapes

Circle

Radius = n
Diameter 42169788
Circumference 132480296.18424
Area 1.3966665010666E+15

Sphere

Radius = n
Volume 3.9264753504455E+22
Surface area 5.5866660042666E+15
Circumference 132480296.18424

Square

Length = n
Perimeter 84339576
Area 444572754991236
Diagonal 29818543.055999

Cube

Length = n
Surface area 2667436529947416
Volume 9.3737694142782E+21
Space diagonal 36520107.680204

Equilateral Triangle

Length = n
Perimeter 63254682
Area 1.9250564982642E+14
Altitude 18260053.840102

Triangular Pyramid

Length = n
Surface area 1.9250564982642E+14
Volume 1.1047093196859E+21
Height 9939514.3519997