21031823 (number)

21031823 is an odd 8-digits composite number following 21031822 and preceding 21031824. In scientific notation, it is written as 2.1031823 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 21021120 positive integers (up to 21031823) that are relatively prime to 21031823.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred twenty-three

Notation

Scientific notation 2.1031823 × 10^7
Engineering notation 2.1031823 × 10^6

Prime Factorization of 21031823

Prime Factorization 2593 × 8111

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031823
Product of the distinct prime numbers

The prime factorization of 21031823 is 2593 × 8111. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031823)

Multiplication

n×y
n×2 42063646
n×3 63095469
n×4 84127292
n×5 105159115

Division

n÷y
n÷2 10515911.5
n÷3 7010607.6666667
n÷3 5257955.75
n÷5 4206364.6

Exponentiation

ny
n2 442337578703329
n3 9.303165661537E+21
n4 1.9566253353312E+29
n5 4.1151397730002E+36

Nth Root

y√n
2√n 4586.0465544955
3√n 276.03170800733
4√n 67.720355540232
5√n 29.145759949003

Divisors of 21031823

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 -21031822
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 21031823 can be divided by 4 positive divisors. The sum of these divisors (counting 21031823) is 1, the average is 0.25.

Base conversion 21031823

Base System Value
2 Binary 1010000001110101110001111
3 Ternary 1110120112020102
4 Quaternary 1100032232033
5 Quinary 20341004243
6 Senary 2030441315
8 Octal 120165617
10 Decimal 21031823
12 Duodecimal 706323b
16 Hexadecimal 140eb8f
20 Vigesimal 6b8jb3
36 Base36 cis9b

Cryptographic Hash Functions

md5 85cff257fcbd5308cf6f1287708d2c05
sha1 33283660f248ebb48c80729ff63c4d138dc2d83f
sha256 c755caca7fb1a53a3446d8637b9e611c88329c87f986ef23b409051a2ddeed36
sha512 24590bc2c818b02adad81549b3e6ac314e0397c1ef1f789e1dfb538679fb85534f9588c45a149b031f21dd3659141b794015d1bfae79ec7458b505b5856dc01b
ripemd-160 ae6aaa48de5cf4fc9775953f09973b13ec2e1001

21031823 as geometric shapes

Circle

Radius = n
Diameter 42063646
Circumference 132146841.2568
Area 1.3896444876611E+15

Sphere

Radius = n
Volume 3.8969009196551E+22
Surface area 5.5585779506443E+15
Circumference 132146841.2568

Square

Length = n
Perimeter 84127292
Area 442337578703329
Diagonal 29743489.32803

Cube

Length = n
Surface area 2654025472219974
Volume 9.303165661537E+21
Space diagonal 36428186.011796

Equilateral Triangle

Length = n
Perimeter 63095469
Area 1.9153779010279E+14
Altitude 18214093.005898

Triangular Pyramid

Length = n
Surface area 1.9153779010279E+14
Volume 1.0963885876291E+21
Height 9914496.4426768