21031866 (number)

21031866 is an even 8-digits composite number following 21031865 and preceding 21031867. In scientific notation, it is written as 2.1031866 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 7010604 positive integers (up to 21031866) that are relatively prime to 21031866.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031866 × 10^7
Engineering notation 2.1031866 × 10^6

Prime Factorization of 21031866

Prime Factorization 2 × 27 × 389479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031866
Product of the distinct prime numbers

The prime factorization of 21031866 is 2 × 27 × 389479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031866)

Multiplication

n×y
n×2 42063732
n×3 63095598
n×4 84127464
n×5 105159330

Division

n÷y
n÷2 10515933
n÷3 7010622
n÷3 5257966.5
n÷5 4206373.2

Exponentiation

ny
n2 442339387441956
n3 9.3032227232013E+21
n4 1.9566413368252E+29
n5 4.1151818406169E+36

Nth Root

y√n
2√n 4586.0512426269
3√n 276.03189612472
4√n 67.720390154125
5√n 29.145771866816

Divisors of 21031866

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031865
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031866 can be divided by 8 positive divisors. The sum of these divisors (counting 21031866) is 1, the average is 0.125.

Base conversion 21031866

Base System Value
2 Binary 1010000001110101110111010
3 Ternary 1110120112022000
4 Quaternary 1100032232322
5 Quinary 20341004431
6 Senary 2030441430
8 Octal 120165672
10 Decimal 21031866
12 Duodecimal 7063276
16 Hexadecimal 140ebba
20 Vigesimal 6b8jd6
36 Base36 cisai

Cryptographic Hash Functions

md5 c976b6b27cbaa766236525521802173c
sha1 244e97a1b1625da85710f63171921748455d2818
sha256 ef4d9a178067b7ef5aaa107963619daa1906fb01276c3ebff934388533687612
sha512 57f06eec8f4aec9300f3451129b0a0578c46dd45d14a98e0f445dbbaef84181be4c2eab858406ae72c2f2c50483f887781cfbe66737d8c40f9f017db64015986
ripemd-160 363cf0fb11257d7aa98adaeb43e4dc2de67f57d8

21031866 as geometric shapes

Circle

Radius = n
Diameter 42063732
Circumference 132147111.43377
Area 1.3896501699811E+15

Sphere

Radius = n
Volume 3.8969248215892E+22
Surface area 5.5586006799242E+15
Circumference 132147111.43377

Square

Length = n
Perimeter 84127464
Area 442339387441956
Diagonal 29743550.139214

Cube

Length = n
Surface area 2654036324651736
Volume 9.3032227232013E+21
Space diagonal 36428260.48998

Equilateral Triangle

Length = n
Perimeter 63095598
Area 1.9153857330959E+14
Altitude 18214130.24499

Triangular Pyramid

Length = n
Surface area 1.9153857330959E+14
Volume 1.0963953124107E+21
Height 9914516.7130712