21138047 (number)

21138047 is an odd 8-digits composite number following 21138046 and preceding 21138048. In scientific notation, it is written as 2.1138047 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 18118320 positive integers (up to 21138047) that are relatively prime to 21138047.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1138047 × 10^7
Engineering notation 2.1138047 × 10^6

Prime Factorization of 21138047

Prime Factorization 7 × 3019721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21138047
Product of the distinct prime numbers

The prime factorization of 21138047 is 7 × 3019721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21138047)

Multiplication

n×y
n×2 42276094
n×3 63414141
n×4 84552188
n×5 105690235

Division

n÷y
n÷2 10569023.5
n÷3 7046015.6666667
n÷3 5284511.75
n÷5 4227609.4

Exponentiation

ny
n2 446817030974209
n3 9.4448394011333E+21
n4 1.9964545916861E+29
n5 4.2201150992426E+36

Nth Root

y√n
2√n 4597.6131851212
3√n 276.4956393663
4√n 67.805701715425
5√n 29.175141552598

Divisors of 21138047

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 -21138046
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 21138047 can be divided by 4 positive divisors. The sum of these divisors (counting 21138047) is 1, the average is 0.25.

Base conversion 21138047

Base System Value
2 Binary 1010000101000101001111111
3 Ternary 1110202220221122
4 Quaternary 1100220221333
5 Quinary 20402404142
6 Senary 2033021155
8 Octal 120505177
10 Decimal 21138047
12 Duodecimal 70b47bb
16 Hexadecimal 1428a7f
20 Vigesimal 6c2527
36 Base36 cl27z

Cryptographic Hash Functions

md5 6e458283aac93c4a2dc686f620f82081
sha1 b9494b23055c29576a95cafd71faa55954fed524
sha256 927cc7332b230314e7381eab5088ea2f09266bc6f1f2aa8b795ccf7b50cb7cc3
sha512 3613fe5ee48e0f7ec1dd95a373ad7704e6c8d447cdc0de0501b0a2ac5c762f7c5d4b5260cdea973ce7b7e2a263c3ecef07c2ba130210660a5cb9abedeb7daae0
ripemd-160 6b2ec5683440e24865a3c6563598f0266abdf867

21138047 as geometric shapes

Circle

Radius = n
Diameter 42276094
Circumference 132814266.33287
Area 1.4037171020074E+15

Sphere

Radius = n
Volume 3.9562450769248E+22
Surface area 5.6148684080295E+15
Circumference 132814266.33287

Square

Length = n
Perimeter 84552188
Area 446817030974209
Diagonal 29893712.74948

Cube

Length = n
Surface area 2680902185845254
Volume 9.4448394011333E+21
Space diagonal 36612171.376779

Equilateral Triangle

Length = n
Perimeter 63414141
Area 1.934774498336E+14
Altitude 18306085.688389

Triangular Pyramid

Length = n
Surface area 1.934774498336E+14
Volume 1.1130849979599E+21
Height 9964570.9164933