21000239 (number)

21000239 is an odd 8-digits composite number following 21000238 and preceding 21000240. In scientific notation, it is written as 2.1000239 × 10^7. The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors. There are 19384824 positive integers (up to 21000239) that are relatively prime to 21000239.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-nine

Notation

Scientific notation 2.1000239 × 10^7
Engineering notation 2.1000239 × 10^6

Prime Factorization of 21000239

Prime Factorization 13 × 1615403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000239
Product of the distinct prime numbers

The prime factorization of 21000239 is 13 × 1615403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000239)

Multiplication

n×y
n×2 42000478
n×3 63000717
n×4 84000956
n×5 105001195

Division

n÷y
n÷2 10500119.5
n÷3 7000079.6666667
n÷3 5250059.75
n÷5 4200047.8

Exponentiation

ny
n2 441010038057121
n3 9.2613162005986E+21
n4 1.9448985366714E+29
n5 4.084333410085E+36

Nth Root

y√n
2√n 4582.6017719195
3√n 275.89346427363
4√n 67.69491688391
5√n 29.137000906673

Divisors of 21000239

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 -21000238
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 21000239 can be divided by 4 positive divisors. The sum of these divisors (counting 21000239) is 1, the average is 0.25.

Base conversion 21000239

Base System Value
2 Binary 1010000000111000000101111
3 Ternary 1110111220220122
4 Quaternary 1100013000233
5 Quinary 20334001424
6 Senary 2030035155
8 Octal 120070057
10 Decimal 21000239
12 Duodecimal 7048abb
16 Hexadecimal 140702f
20 Vigesimal 6b50bj
36 Base36 ci3vz

Cryptographic Hash Functions

md5 41d0acc8fc132b175d31281666932e98
sha1 75669106de815795d6c04129b33cbc986cfda49c
sha256 4126b40d6de3f999cfb8bd27b28b6e072309b358dc3eca3fe2661a658a04e979
sha512 ecad3f360a982c8616e9e7dc35528b57f8f2667e433bdce3e72c635960382cd54bd666742df368e3d465d3508a4a11f5173888649c13d6d7f893602ee2464ae9
ripemd-160 26fb32fad15f73ff61a0ed53357a1c599e6c11db

21000239 as geometric shapes

Circle

Radius = n
Diameter 42000478
Circumference 131948393.13206
Area 1.3854738957196E+15

Sphere

Radius = n
Volume 3.8793710584497E+22
Surface area 5.5418955828784E+15
Circumference 131948393.13206

Square

Length = n
Perimeter 84000956
Area 441010038057121
Diagonal 29698822.806876

Cube

Length = n
Surface area 2646060228342726
Volume 9.2613162005986E+21
Space diagonal 36373480.919089

Equilateral Triangle

Length = n
Perimeter 63000717
Area 1.909629481407E+14
Altitude 18186740.459545

Triangular Pyramid

Length = n
Surface area 1.909629481407E+14
Volume 1.0914565813594E+21
Height 9899607.6022921