21061858 (number)

21061858 is an even 8-digits composite number following 21061857 and preceding 21061859. In scientific notation, it is written as 2.1061858 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10530928 positive integers (up to 21061858) that are relatively prime to 21061858.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-one thousand eight hundred fifty-eight

Notation

Scientific notation 2.1061858 × 10^7
Engineering notation 2.1061858 × 10^6

Prime Factorization of 21061858

Prime Factorization 2 × 10530929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21061858
Product of the distinct prime numbers

The prime factorization of 21061858 is 2 × 10530929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 64, 66, 835, 470, 8866, 405, 49402, 44906, 51683, 778814, 2376978, 1448903, 83415398, 69665240, 193023113, 1052722, 9915773014, 114556985

Basic calculations (n = 21061858)

Multiplication

n×y
n×2 42123716
n×3 63185574
n×4 84247432
n×5 105309290

Division

n÷y
n÷2 10530929
n÷3 7020619.3333333
n÷3 5265464.5
n÷5 4212371.6

Exponentiation

ny
n2 443601862412164
n3 9.3430794346605E+21
n4 1.9678261233554E+29
n5 4.1446074378802E+36

Nth Root

y√n
2√n 4589.3199932016
3√n 276.16304341181
4√n 67.744520023406
5√n 29.154079658405

Divisors of 21061858

1, 2, 10530929, 21061858

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 -21061857
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 21061858 can be divided by 4 positive divisors. The sum of these divisors (counting 21061858) is 1, the average is 0.25.

Base conversion 21061858

Base System Value
2 Binary 1010000010110000011100010
3 Ternary 1110122001102211
4 Quaternary 1100112003202
5 Quinary 20342434413
6 Senary 2031232334
8 Octal 120260342
10 Decimal 21061858
12 Duodecimal 70786aa
16 Hexadecimal 14160e2
20 Vigesimal 6bceci
36 Base36 cjffm

Cryptographic Hash Functions

md5 49cde273522d6f3de84b202c7f636faa
sha1 366bc00b3199f7613977ba420720698e483d7cad
sha256 1e29a6099bd1a88f77e6a431e6627d27362c36e7998264355fc7b0238b9b9e57
sha512 6624cd2fe4ca57b7c970b8a13dce1bbc25ff3acd5f263a3830e18e083a8dc11ea706ebb4bd4db68c9432aa5ea20575388ccde2f628c1e93f031b6fc902a3277c
ripemd-160 3a56c181d0e2a164b72d20409a04badec73c4b4c

21061858 as geometric shapes

Circle

Radius = n
Diameter 42123716
Circumference 132335556.7275
Area 1.3936163520728E+15

Sphere

Radius = n
Volume 3.9136199618447E+22
Surface area 5.5744654082912E+15
Circumference 132335556.7275

Square

Length = n
Perimeter 84247432
Area 443601862412164
Diagonal 29785965.232376

Cube

Length = n
Surface area 2661611174472984
Volume 9.3430794346605E+21
Space diagonal 36480208.157801

Equilateral Triangle

Length = n
Perimeter 63185574
Area 1.9208524100751E+14
Altitude 18240104.078901

Triangular Pyramid

Length = n
Surface area 1.9208524100751E+14
Volume 1.1010924709022E+21
Height 9928655.0774588