21031843 (number)

21031843 is an odd 8-digits composite number following 21031842 and preceding 21031844. In scientific notation, it is written as 2.1031843 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 18027288 positive integers (up to 21031843) that are relatively prime to 21031843.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred forty-three

Notation

Scientific notation 2.1031843 × 10^7
Engineering notation 2.1031843 × 10^6

Prime Factorization of 21031843

Prime Factorization 7 × 3004549

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031843
Product of the distinct prime numbers

The prime factorization of 21031843 is 7 × 3004549. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031843)

Multiplication

n×y
n×2 42063686
n×3 63095529
n×4 84127372
n×5 105159215

Division

n÷y
n÷2 10515921.5
n÷3 7010614.3333333
n÷3 5257960.75
n÷5 4206368.6

Exponentiation

ny
n2 442338419976649
n3 9.3031922018169E+21
n4 1.9566327778744E+29
n5 4.1151593392908E+36

Nth Root

y√n
2√n 4586.0487350223
3√n 276.03179550382
4√n 67.720371639724
5√n 29.145765492175

Divisors of 21031843

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 -21031842
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 21031843 can be divided by 4 positive divisors. The sum of these divisors (counting 21031843) is 1, the average is 0.25.

Base conversion 21031843

Base System Value
2 Binary 1010000001110101110100011
3 Ternary 1110120112021011
4 Quaternary 1100032232203
5 Quinary 20341004333
6 Senary 2030441351
8 Octal 120165643
10 Decimal 21031843
12 Duodecimal 7063257
16 Hexadecimal 140eba3
20 Vigesimal 6b8jc3
36 Base36 cis9v

Cryptographic Hash Functions

md5 94274d59e241f799a5424940f2cfc005
sha1 019e1431aac532fa2a916817b458a9a8f17f3f88
sha256 3f843d13811460a80db5db4b4855a769d7f942a03a799e6559c8a837706ca756
sha512 8afa3dde99106e75a3ec0881a40354c44245e9305954a805e692b2c9e31efecdb11d93d94eda5a1c73cf92e47d862c1f3e777a8cecb2630e426a53a13ecbb9ef
ripemd-160 a1e7f51d2155726b179e20e14d719d5ba5bee1c4

21031843 as geometric shapes

Circle

Radius = n
Diameter 42063686
Circumference 132146966.92051
Area 1.3896471305992E+15

Sphere

Radius = n
Volume 3.8969120368216E+22
Surface area 5.5585885223966E+15
Circumference 132146966.92051

Square

Length = n
Perimeter 84127372
Area 442338419976649
Diagonal 29743517.612302

Cube

Length = n
Surface area 2654030519859894
Volume 9.3031922018169E+21
Space diagonal 36428220.652812

Equilateral Triangle

Length = n
Perimeter 63095529
Area 1.9153815438482E+14
Altitude 18214110.326406

Triangular Pyramid

Length = n
Surface area 1.9153815438482E+14
Volume 1.0963917154311E+21
Height 9914505.8707672