21379942 (number)

21379942 is an even 8-digits composite number following 21379941 and preceding 21379943. In scientific notation, it is written as 2.1379942 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 10342080 positive integers (up to 21379942) that are relatively prime to 21379942.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-nine thousand nine hundred forty-two

Notation

Scientific notation 2.1379942 × 10^7
Engineering notation 2.1379942 × 10^6

Prime Factorization of 21379942

Prime Factorization 2 × 127 × 41 × 2053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21379942
Product of the distinct prime numbers

The prime factorization of 21379942 is 2 × 127 × 41 × 2053. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 1, 84, 456, 540, 6574, 237, 514, 4408, 437715, 478932, 851314, 9112560, 39868301, 89905973, 115574637, 175595847, 8465338314, 4338455797

Basic calculations (n = 21379942)

Multiplication

n×y
n×2 42759884
n×3 64139826
n×4 85519768
n×5 106899710

Division

n÷y
n÷2 10689971
n÷3 7126647.3333333
n÷3 5344985.5
n÷5 4275988.4

Exponentiation

ny
n2 457101919923364
n3 9.7728125360502E+21
n4 2.0894216519763E+29
n5 4.4671713732797E+36

Nth Root

y√n
2√n 4623.8449368464
3√n 277.54634185342
4√n 67.998859820194
5√n 29.241611614812

Divisors of 21379942

1, 2, 41, 82, 127, 254, 2053, 4106, 5207, 10414, 84173, 168346, 260731, 521462, 10689971, 21379942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21379941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21379942 can be divided by 16 positive divisors. The sum of these divisors (counting 21379942) is 1, the average is 0.0625.

Base conversion 21379942

Base System Value
2 Binary 1010001100011101101100110
3 Ternary 1111020012202201
4 Quaternary 1101203231212
5 Quinary 20433124232
6 Senary 2042125114
8 Octal 121435546
10 Decimal 21379942
12 Duodecimal 71b079a
16 Hexadecimal 1463b66
20 Vigesimal 6dc9h2
36 Base36 cq8va

Cryptographic Hash Functions

md5 0bde567bcac973411e0db8f62943eefb
sha1 070c77a71e24a69c06ba4186df4d6f299ab00a54
sha256 14aeb645f7f62e489ea8234deab07cd44cb2e77251e459572151bb54c07bc72c
sha512 a36e6ba8d130633f6c2ba1980ab25f60afee26ad67abbbb74e58d1796b787137051b04c1c8503290c9d5b121a71de7c0f43c78d0a1cad585381952026b9a30a2
ripemd-160 ccce851914b409e305947555bc6487650f8f5e70

21379942 as geometric shapes

Circle

Radius = n
Diameter 42759884
Circumference 134334137.44275
Area 1.436028033573E+15

Sphere

Radius = n
Volume 4.0936261424221E+22
Surface area 5.7441121342921E+15
Circumference 134334137.44275

Square

Length = n
Perimeter 85519768
Area 457101919923364
Diagonal 30235803.93915

Cube

Length = n
Surface area 2742611519540184
Volume 9.7728125360502E+21
Space diagonal 37031145.806876

Equilateral Triangle

Length = n
Perimeter 64139826
Area 1.9793093738614E+14
Altitude 18515572.903438

Triangular Pyramid

Length = n
Surface area 1.9793093738614E+14
Volume 1.1517370025843E+21
Height 10078601.31305