21016823 (number)

21016823 is an odd 8-digits composite number following 21016822 and preceding 21016824. In scientific notation, it is written as 2.1016823 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 20999160 positive integers (up to 21016823) that are relatively prime to 21016823.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1016823 × 10^7
Engineering notation 2.1016823 × 10^6

Prime Factorization of 21016823

Prime Factorization 1283 × 16381

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21016823
Product of the distinct prime numbers

The prime factorization of 21016823 is 1283 × 16381. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21016823)

Multiplication

n×y
n×2 42033646
n×3 63050469
n×4 84067292
n×5 105084115

Division

n÷y
n÷2 10508411.5
n÷3 7005607.6666667
n÷3 5254205.75
n÷5 4203364.6

Exponentiation

ny
n2 441706849013329
n3 9.2832746636009E+21
n4 1.9510494046528E+29
n5 4.1004860001844E+36

Nth Root

y√n
2√n 4584.4108672762
3√n 275.96607000809
4√n 67.708277686529
5√n 29.141601382492

Divisors of 21016823

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 -21016822
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 21016823 can be divided by 4 positive divisors. The sum of these divisors (counting 21016823) is 1, the average is 0.25.

Base conversion 21016823

Base System Value
2 Binary 1010000001011000011110111
3 Ternary 1110112202122212
4 Quaternary 1100023003313
5 Quinary 20340014243
6 Senary 2030244035
8 Octal 120130367
10 Decimal 21016823
12 Duodecimal 705661b
16 Hexadecimal 140b0f7
20 Vigesimal 6b7213
36 Base36 cigon

Cryptographic Hash Functions

md5 b44461fead836c529bd0178b9f020b13
sha1 bb2787c2fb3c2e37ffef4acfa4e416f24fe7514a
sha256 adad919d9e2d71d7a9266a9ed1f01acb9cbcd5b266920dd9152f950c70d87e33
sha512 13b0d6aa5a91c43269327df615cd326a4d28a7689b843b619076ccd4b550bf9dae31acfef07582636b23a422f86f20dfb7f7f014d6bad7af3fdbdf07fd1f19ce
ripemd-160 6bf6050a5b1740a90964cf676622e56016f162b3

21016823 as geometric shapes

Circle

Radius = n
Diameter 42033646
Circumference 132052593.47719
Area 1.3876629919006E+15

Sphere

Radius = n
Volume 3.8885689979233E+22
Surface area 5.5506519676023E+15
Circumference 132052593.47719

Square

Length = n
Perimeter 84067292
Area 441706849013329
Diagonal 29722276.124595

Cube

Length = n
Surface area 2650241094079974
Volume 9.2832746636009E+21
Space diagonal 36402205.249682

Equilateral Triangle

Length = n
Perimeter 63050469
Area 1.9126467613556E+14
Altitude 18201102.624841

Triangular Pyramid

Length = n
Surface area 1.9126467613556E+14
Volume 1.0940444110416E+21
Height 9907425.3748649