21039942 (number)

21039942 is an even 8-digits composite number following 21039941 and preceding 21039943. In scientific notation, it is written as 2.1039942 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5464800 positive integers (up to 21039942) that are relatively prime to 21039942.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-nine thousand nine hundred forty-two

Notation

Scientific notation 2.1039942 × 10^7
Engineering notation 2.1039942 × 10^6

Prime Factorization of 21039942

Prime Factorization 2 × 33 × 7 × 45541

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21039942
Product of the distinct prime numbers

The prime factorization of 21039942 is 2 × 33 × 7 × 45541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 34, 35, 388, 909, 9278, 9448, 18789, 56346, 968743, 180052, 7403042, 6116836, 63791717, 4134542, 555748185, 932768286, 259616499, 4042750097

Basic calculations (n = 21039942)

Multiplication

n×y
n×2 42079884
n×3 63119826
n×4 84159768
n×5 105199710

Division

n÷y
n÷2 10519971
n÷3 7013314
n÷3 5259985.5
n÷5 4207988.4

Exponentiation

ny
n2 442679159363364
n3 9.3139438376139E+21
n4 1.9596483813465E+29
n5 4.1230888283925E+36

Nth Root

y√n
2√n 4586.9316541671
3√n 276.06722265131
4√n 67.726890185266
5√n 29.148009852817

Divisors of 21039942

1, 2, 7, 14, 33, 66, 231, 462, 45541, 91082, 318787, 637574, 1502853, 3005706, 10519971, 21039942

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 -21039941
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 21039942 can be divided by 16 positive divisors. The sum of these divisors (counting 21039942) is 1, the average is 0.0625.

Base conversion 21039942

Base System Value
2 Binary 1010000010000101101000110
3 Ternary 1110120221101010
4 Quaternary 1100100231012
5 Quinary 20341234232
6 Senary 2030543050
8 Octal 120205506
10 Decimal 21039942
12 Duodecimal 7067a86
16 Hexadecimal 1410b46
20 Vigesimal 6b9jh2
36 Base36 ciyiu

Cryptographic Hash Functions

md5 2d8eda6d9beef88a8dc653caf443519a
sha1 3d33286fe8b431e72e2480f21728ef7dba4ed479
sha256 66cd726a572d567667c3e4fbfc8f5919dde9f0f84095e02c481142c160017425
sha512 f3f2d6a68e26b3f34806c1bf91ad18a0753096b5f98f8e253c7d6a69bf3edba6c039bcc2f9a0e227858a8e4a8a732731d196046bd07bb04cad87d4bf8e86540d
ripemd-160 4a3b2cd7c6beb88db0b56c13a009edf359597d5d

21039942 as geometric shapes

Circle

Radius = n
Diameter 42079884
Circumference 132197854.43831
Area 1.3907175949532E+15

Sphere

Radius = n
Volume 3.9014156714928E+22
Surface area 5.562870379813E+15
Circumference 132197854.43831

Square

Length = n
Perimeter 84159768
Area 442679159363364
Diagonal 29754971.327943

Cube

Length = n
Surface area 2656074956180184
Volume 9.3139438376139E+21
Space diagonal 36442248.532302

Equilateral Triangle

Length = n
Perimeter 63119826
Area 1.9168569886731E+14
Altitude 18221124.266151

Triangular Pyramid

Length = n
Surface area 1.9168569886731E+14
Volume 1.0976588078612E+21
Height 9918323.7759811