21061856 (number)

21061856 is an even 8-digits composite number following 21061855 and preceding 21061857. In scientific notation, it is written as 2.1061856 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 10469248 positive integers (up to 21061856) that are relatively prime to 21061856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1061856 × 10^7
Engineering notation 2.1061856 × 10^6

Prime Factorization of 21061856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 179 × 3677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1316366
Product of the distinct prime numbers

The prime factorization of 21061856 is 2 × 2 × 2 × 2 × 2 × 179 × 3677. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21061856)

Multiplication

n×y
n×2 42123712
n×3 63185568
n×4 84247424
n×5 105309280

Division

n÷y
n÷2 10530928
n÷3 7020618.6666667
n÷3 5265464
n÷5 4212371.2

Exponentiation

ny
n2 443601778164736
n3 9.3430767730496E+21
n4 1.9678253759092E+29
n5 4.1446054700545E+36

Nth Root

y√n
2√n 4589.3197753044
3√n 276.16303467048
4√n 67.744518415178
5√n 29.154079104721

Divisors of 21061856

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061856 can be divided by 24 positive divisors. The sum of these divisors (counting 21061856) is 1, the average is 0.041666666666667.

Base conversion 21061856

Base System Value
2 Binary 1010000010110000011100000
3 Ternary 1110122001102202
4 Quaternary 1100112003200
5 Quinary 20342434411
6 Senary 2031232332
8 Octal 120260340
10 Decimal 21061856
12 Duodecimal 70786a8
16 Hexadecimal 14160e0
20 Vigesimal 6bcecg
36 Base36 cjffk

Cryptographic Hash Functions

md5 e1c35401bbb2123309740f613cd116a5
sha1 cc8296b477e87a8704a133f772604b39fe30394d
sha256 a18a1e4560448aca1a3f52c54b970054661f81990283ece7608ba97fab15da0c
sha512 30ead4786bff392ef1443123a57847bbd8585c21b38011b1520d2e7ada4b905a44fb666c28912a08b3f03d6912a5545746b9f21daab85661d5907804a31e6dec
ripemd-160 0a08aa8f702f03fb98d950075034055617aab9e6

21061856 as geometric shapes

Circle

Radius = n
Diameter 42123712
Circumference 132335544.16113
Area 1.3936160874017E+15

Sphere

Radius = n
Volume 3.9136188469517E+22
Surface area 5.5744643496068E+15
Circumference 132335544.16113

Square

Length = n
Perimeter 84247424
Area 443601778164736
Diagonal 29785962.403949

Cube

Length = n
Surface area 2661610668988416
Volume 9.3430767730496E+21
Space diagonal 36480204.693699

Equilateral Triangle

Length = n
Perimeter 63185568
Area 1.9208520452731E+14
Altitude 18240102.34685

Triangular Pyramid

Length = n
Surface area 1.9208520452731E+14
Volume 1.1010921572283E+21
Height 9928654.1346497