21000939 (number)

21000939 is an odd 8-digits composite number following 21000938 and preceding 21000940. In scientific notation, it is written as 2.1000939 × 10^7. The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors. There are 14000624 positive integers (up to 21000939) that are relatively prime to 21000939.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-nine

Notation

Scientific notation 2.1000939 × 10^7
Engineering notation 2.1000939 × 10^6

Prime Factorization of 21000939

Prime Factorization 3 × 7000313

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000939
Product of the distinct prime numbers

The prime factorization of 21000939 is 3 × 7000313. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000939)

Multiplication

n×y
n×2 42001878
n×3 63002817
n×4 84003756
n×5 105004695

Division

n÷y
n÷2 10500469.5
n÷3 7000313
n÷3 5250234.75
n÷5 4200187.8

Exponentiation

ny
n2 441039438881721
n3 9.2622423525493E+21
n4 1.945157866491E+29
n5 4.0850141699548E+36

Nth Root

y√n
2√n 4582.6781471101
3√n 275.89652968762
4√n 67.695480994746
5√n 29.137195148545

Divisors of 21000939

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 -21000938
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 21000939 can be divided by 4 positive divisors. The sum of these divisors (counting 21000939) is 1, the average is 0.25.

Base conversion 21000939

Base System Value
2 Binary 1010000000111001011101011
3 Ternary 1110111221212120
4 Quaternary 1100013023223
5 Quinary 20334012224
6 Senary 2030042323
8 Octal 120071353
10 Decimal 21000939
12 Duodecimal 70493a3
16 Hexadecimal 14072eb
20 Vigesimal 6b526j
36 Base36 ci4ff

Cryptographic Hash Functions

md5 62feda2821e0e94cd57bc04a45ab17a8
sha1 40c67a0df88edfbf005e04dbed02a177b8716cf5
sha256 33b3ecfc7eaae5a1ffcbd2bc1b93f4375cbf5ce66cc547bb793312b7e9a44b08
sha512 ca957ef50b7ce2d57e88a038462a94152b03947e1bca6c4e6934921d9488ad1994dd7afeedc80441728cafc08c712ff8d7ee2fd86c1947a0ff59ffccca373261
ripemd-160 801848d3b026f2e74b8de2b5de1fa4b4857579e8

21000939 as geometric shapes

Circle

Radius = n
Diameter 42001878
Circumference 131952791.36177
Area 1.3855662611342E+15

Sphere

Radius = n
Volume 3.8797590040716E+22
Surface area 5.5422650445367E+15
Circumference 131952791.36177

Square

Length = n
Perimeter 84003756
Area 441039438881721
Diagonal 29699812.75637

Cube

Length = n
Surface area 2646236633290326
Volume 9.2622423525493E+21
Space diagonal 36374693.354655

Equilateral Triangle

Length = n
Perimeter 63002817
Area 1.909756790712E+14
Altitude 18187346.677327

Triangular Pyramid

Length = n
Surface area 1.909756790712E+14
Volume 1.0915657294135E+21
Height 9899937.5854567