21084961 (number)

21084961 is an odd 8-digits composite number following 21084960 and preceding 21084962. In scientific notation, it is written as 2.1084961 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21072772 positive integers (up to 21084961) that are relatively prime to 21084961.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-four thousand nine hundred sixty-one

Notation

Scientific notation 2.1084961 × 10^7
Engineering notation 2.1084961 × 10^6

Prime Factorization of 21084961

Prime Factorization 10103 × 2087

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21084961
Product of the distinct prime numbers

The prime factorization of 21084961 is 10103 × 2087. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21084961)

Multiplication

n×y
n×2 42169922
n×3 63254883
n×4 84339844
n×5 105424805

Division

n÷y
n÷2 10542480.5
n÷3 7028320.3333333
n÷3 5271240.25
n÷5 4216992.2

Exponentiation

ny
n2 444575580371521
n3 9.3738587736859E+21
n4 1.9764744666267E+29
n5 4.1673887046321E+36

Nth Root

y√n
2√n 4591.8363429025
3√n 276.26398201174
4√n 67.763089827003
5√n 29.160472744601

Divisors of 21084961

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 -21084960
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 21084961 can be divided by 4 positive divisors. The sum of these divisors (counting 21084961) is 1, the average is 0.25.

Base conversion 21084961

Base System Value
2 Binary 1010000011011101100100001
3 Ternary 1110200020010111
4 Quaternary 1100123230201
5 Quinary 20344204321
6 Senary 2031531321
8 Octal 120335441
10 Decimal 21084961
12 Duodecimal 7089b41
16 Hexadecimal 141bb21
20 Vigesimal 6bfc81
36 Base36 cjx9d

Cryptographic Hash Functions

md5 205f7d3159e9761eb31c4ed7e377caba
sha1 f2167ed7cdd0a2bd8bf58199fab0013c7a943f8a
sha256 6b3d48628fd994db549b6ea019aa66d8c31955eb07b165d4b3b0364fa7cadcef
sha512 ad009deaa3d50041e61fdb16235720e856846a7b68e450dd363668318221db3881ee88f7fab7a8dcfbb6a81db97394de41cc91a21f4f516c916ab2803bdb776f
ripemd-160 ba1c84f82bdc21976988ee74317206b190ab1cac

21084961 as geometric shapes

Circle

Radius = n
Diameter 42169922
Circumference 132480717.15765
Area 1.3966753772606E+15

Sphere

Radius = n
Volume 3.9265127812266E+22
Surface area 5.5867015090424E+15
Circumference 132480717.15765

Square

Length = n
Perimeter 84339844
Area 444575580371521
Diagonal 29818637.808308

Cube

Length = n
Surface area 2667453482229126
Volume 9.3738587736859E+21
Space diagonal 36520223.727608

Equilateral Triangle

Length = n
Perimeter 63254883
Area 1.9250687325197E+14
Altitude 18260111.863804

Triangular Pyramid

Length = n
Surface area 1.9250687325197E+14
Volume 1.1047198507931E+21
Height 9939545.9361026