21031666 (number)

21031666 is an even 8-digits composite number following 21031665 and preceding 21031667. In scientific notation, it is written as 2.1031666 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 10515832 positive integers (up to 21031666) that are relatively prime to 21031666.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred sixty-six

Notation

Scientific notation 2.1031666 × 10^7
Engineering notation 2.1031666 × 10^6

Prime Factorization of 21031666

Prime Factorization 2 × 10515833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031666
Product of the distinct prime numbers

The prime factorization of 21031666 is 2 × 10515833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031666)

Multiplication

n×y
n×2 42063332
n×3 63094998
n×4 84126664
n×5 105158330

Division

n÷y
n÷2 10515833
n÷3 7010555.3333333
n÷3 5257916.5
n÷5 4206333.2

Exponentiation

ny
n2 442330974735556
n3 9.3029573220927E+21
n4 1.9565669121051E+29
n5 4.1149861802045E+36

Nth Root

y√n
2√n 4586.0294373238
3√n 276.03102115791
4√n 67.720229158825
5√n 29.145716434963

Divisors of 21031666

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 -21031665
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 21031666 can be divided by 4 positive divisors. The sum of these divisors (counting 21031666) is 1, the average is 0.25.

Base conversion 21031666

Base System Value
2 Binary 1010000001110101011110010
3 Ternary 1110120112000121
4 Quaternary 1100032223302
5 Quinary 20341003131
6 Senary 2030440454
8 Octal 120165362
10 Decimal 21031666
12 Duodecimal 706312a
16 Hexadecimal 140eaf2
20 Vigesimal 6b8j36
36 Base36 cis4y

Cryptographic Hash Functions

md5 3af84011e4b256a5f67c71fd1b115f15
sha1 f6080e7876e356f6607df65dd217b1c3e7b5bec6
sha256 1c8fb3d47b2c87bd565dcf45523dabdccec1ad75be78624c6e89bfa0c4dbecd5
sha512 4487a306e773bec293879fa63cd01e20df319efc41b7023428bbf7e128901434a3de6df035cac9792c288e83062b0e593111019a2994871102f8d6ecbc89eb8c
ripemd-160 0e146c85a01751b80b134ff70b5aef525f2bb768

21031666 as geometric shapes

Circle

Radius = n
Diameter 42063332
Circumference 132145854.79671
Area 1.3896237406844E+15

Sphere

Radius = n
Volume 3.8968136506328E+22
Surface area 5.5584949627377E+15
Circumference 132145854.79671

Square

Length = n
Perimeter 84126664
Area 442330974735556
Diagonal 29743267.296501

Cube

Length = n
Surface area 2653985848413336
Volume 9.3029573220927E+21
Space diagonal 36427914.079819

Equilateral Triangle

Length = n
Perimeter 63094998
Area 1.9153493050086E+14
Altitude 18213957.039909

Triangular Pyramid

Length = n
Surface area 1.9153493050086E+14
Volume 1.0963640345901E+21
Height 9914422.432167