21056871 (number)

21056871 is an odd 8-digits composite number following 21056870 and preceding 21056872. In scientific notation, it is written as 2.1056871 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 12321120 positive integers (up to 21056871) that are relatively prime to 21056871.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-six thousand eight hundred seventy-one

Notation

Scientific notation 2.1056871 × 10^7
Engineering notation 2.1056871 × 10^6

Prime Factorization of 21056871

Prime Factorization 957 × 22003

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21056871
Product of the distinct prime numbers

The prime factorization of 21056871 is 957 × 22003. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21056871)

Multiplication

n×y
n×2 42113742
n×3 63170613
n×4 84227484
n×5 105284355

Division

n÷y
n÷2 10528435.5
n÷3 7018957
n÷3 5264217.75
n÷5 4211374.2

Exponentiation

ny
n2 443391816310641
n3 9.3364442785089E+21
n4 1.9659630277125E+29
n5 4.1397029865311E+36

Nth Root

y√n
2√n 4588.7766343547
3√n 276.14124517965
4√n 67.740509551927
5√n 29.152698914433

Divisors of 21056871

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 -21056870
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 21056871 can be divided by 4 positive divisors. The sum of these divisors (counting 21056871) is 1, the average is 0.25.

Base conversion 21056871

Base System Value
2 Binary 1010000010100110101100111
3 Ternary 1110121210121010
4 Quaternary 1100110311213
5 Quinary 20342304441
6 Senary 2031153303
8 Octal 120246547
10 Decimal 21056871
12 Duodecimal 7075833
16 Hexadecimal 1414d67
20 Vigesimal 6bc23b
36 Base36 cjbl3

Cryptographic Hash Functions

md5 4839e880fe63a05eae51a811e707973c
sha1 ca4559c54f067e5b41cec96fcdea862fa5bebcea
sha256 e5fd075af5c1045456c3632560fd8bdc75e2fd2cc38505df093dc7556fd53637
sha512 44655fce6eca53b6d063cf67c6e5dda87c6ec93c6d865fa126d80837795e75af4cf01430540044614093d2185386e2cb9fdc428a3db99c07e7467daa6a69430f
ripemd-160 3e7028a71afa45579d341ae762d35b8f997b63c0

21056871 as geometric shapes

Circle

Radius = n
Diameter 42113742
Circumference 132304222.48238
Area 1.3929564727833E+15

Sphere

Radius = n
Volume 3.9108406341352E+22
Surface area 5.5718258911334E+15
Circumference 132304222.48238

Square

Length = n
Perimeter 84227484
Area 443391816310641
Diagonal 29778912.549341

Cube

Length = n
Surface area 2660350897863846
Volume 9.3364442785089E+21
Space diagonal 36471570.420424

Equilateral Triangle

Length = n
Perimeter 63170613
Area 1.9199428837757E+14
Altitude 18235785.210212

Triangular Pyramid

Length = n
Surface area 1.9199428837757E+14
Volume 1.1003105102507E+21
Height 9926304.1831136