21361239 (number)

21361239 is an odd 8-digits composite number following 21361238 and preceding 21361240. In scientific notation, it is written as 2.1361239 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13907376 positive integers (up to 21361239) that are relatively prime to 21361239.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred sixty-one thousand two hundred thirty-nine

Notation

Scientific notation 2.1361239 × 10^7
Engineering notation 2.1361239 × 10^6

Prime Factorization of 21361239

Prime Factorization 9 × 9 × 43 × 6133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2373471
Product of the distinct prime numbers

The prime factorization of 21361239 is 9 × 9 × 43 × 6133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21361239)

Multiplication

n×y
n×2 42722478
n×3 64083717
n×4 85444956
n×5 106806195

Division

n÷y
n÷2 10680619.5
n÷3 7120413
n÷3 5340309.75
n÷5 4272247.8

Exponentiation

ny
n2 456302531615121
n3 9.7471874341357E+21
n4 2.0821200035837E+29
n5 4.4476663023232E+36

Nth Root

y√n
2√n 4621.8220433072
3√n 277.46538647892
4√n 67.983983726369
5√n 29.236493758702

Divisors of 21361239

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21361238
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21361239 can be divided by 12 positive divisors. The sum of these divisors (counting 21361239) is 1, the average is 0.083333333333333.

Base conversion 21361239

Base System Value
2 Binary 1010001011111001001010111
3 Ternary 1111012021010000
4 Quaternary 1101133021113
5 Quinary 20432024424
6 Senary 2041502343
8 Octal 121371127
10 Decimal 21361239
12 Duodecimal 71a19b3
16 Hexadecimal 145f257
20 Vigesimal 6da31j
36 Base36 cpufr

Cryptographic Hash Functions

md5 1f18b4a14f5465df15026b13968562f8
sha1 78227b64d0a64bb485d63666ddc5759efc305ea1
sha256 701e015f3fd2a82cb4c3b72477a82d3dfe345b1df3a1fc4514c6a65495150d51
sha512 7412d5baec160fada722c358aa65077ef1306a1be53c2fa422fe77f3585f1a3ffcda9e1a06a2fea255cf92dfc3e8e3719d2f722369ede229c49067f11525222a
ripemd-160 74166e2c9b34fb17c84e98b272077d6de4f7a0c6

21361239 as geometric shapes

Circle

Radius = n
Diameter 42722478
Circumference 134216623.02795
Area 1.4335166811365E+15

Sphere

Radius = n
Volume 4.0828923248324E+22
Surface area 5.734066724546E+15
Circumference 134216623.02795

Square

Length = n
Perimeter 85444956
Area 456302531615121
Diagonal 30209353.902893

Cube

Length = n
Surface area 2737815189690726
Volume 9.7471874341357E+21
Space diagonal 36998751.260622

Equilateral Triangle

Length = n
Perimeter 64083717
Area 1.9758479209492E+14
Altitude 18499375.630311

Triangular Pyramid

Length = n
Surface area 1.9758479209492E+14
Volume 1.1487170553623E+21
Height 10069784.634298