1221806 (number)

1221806 is an even 7-digits composite number following 1221805 and preceding 1221807. In scientific notation, it is written as 1.221806 × 10^6. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 584320 positive integers (up to 1221806) that are relatively prime to 1221806.

Interesting facts

Basic properties

Name

Name one million two hundred twenty-one thousand eight hundred six

Notation

Scientific notation 1.221806 × 10^6
Engineering notation 1.221806 × 10^6

Prime Factorization of 1221806

Prime Factorization 2 × 23 × 26561

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1221806
Product of the distinct prime numbers

The prime factorization of 1221806 is 2 × 23 × 26561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1221806)

Multiplication

n×y
n×2 2443612
n×3 3665418
n×4 4887224
n×5 6109030

Division

n÷y
n÷2 610903
n÷3 407268.66666667
n÷3 305451.5
n÷5 244361.2

Exponentiation

ny
n2 1492809901636
n3 1823924094678274616
n4 2.2284814024225E+24
n5 2.7227719483682E+30

Nth Root

y√n
2√n 1105.3533371732
3√n 106.90567283038
4√n 33.246854545554
5√n 16.496828164857

Divisors of 1221806

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 -1221805
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 1221806 can be divided by 8 positive divisors. The sum of these divisors (counting 1221806) is 1, the average is 0.125.

Base conversion 1221806

Base System Value
2 Binary 100101010010010101110
3 Ternary 2022002000002
4 Quaternary 10222102232
5 Quinary 303044211
6 Senary 42104302
8 Octal 4522256
10 Decimal 1221806
12 Duodecimal 4ab092
16 Hexadecimal 12a4ae
20 Vigesimal 7cea6
36 Base36 q6r2

Cryptographic Hash Functions

md5 81a546f94e5d3d9c3b55d8a6819c4598
sha1 a9eb5e6b8e1c7a974fcc3949f2c98d76de45463c
sha256 25163af70624f084f859744973672b94f39fe8ad73cb57ff52c6cf0ea91018f3
sha512 4bd009e8a6837460cb77584f7b7c95611b3e5f81a03b702afa4e8f7e2fb2649016bfa401decd852dea57b216518c9f3469ac280d4b3fbc1ff5485f8b513237ba
ripemd-160 ba04e60435339663ce7e0d54819c2093c13ab5bc

1221806 as geometric shapes

Circle

Radius = n
Diameter 2443612
Circumference 7676833.5074239
Area 4689800620185.8

Sphere

Radius = n
Volume 7.6400353820622E+18
Surface area 18759202480743
Circumference 7676833.5074239

Square

Length = n
Perimeter 4887224
Area 1492809901636
Diagonal 1727894.6157888

Cube

Length = n
Surface area 8956859409816
Volume 1823924094678274616
Space diagonal 2116230.0689925

Equilateral Triangle

Length = n
Perimeter 3665418
Area 646405648918.86
Altitude 1058115.0344962

Triangular Pyramid

Length = n
Surface area 646405648918.86
Volume 2.1495151595276E+17
Height 575964.87192961