21869439 (number)

21869439 is an odd 8-digits composite number following 21869438 and preceding 21869440. In scientific notation, it is written as 2.1869439 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14579624 positive integers (up to 21869439) that are relatively prime to 21869439.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-nine thousand four hundred thirty-nine

Notation

Scientific notation 2.1869439 × 10^7
Engineering notation 2.1869439 × 10^6

Prime Factorization of 21869439

Prime Factorization 3 × 7289813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21869439
Product of the distinct prime numbers

The prime factorization of 21869439 is 3 × 7289813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21869439)

Multiplication

n×y
n×2 43738878
n×3 65608317
n×4 87477756
n×5 109347195

Division

n÷y
n÷2 10934719.5
n÷3 7289813
n÷3 5467359.75
n÷5 4373887.8

Exponentiation

ny
n2 478272362174721
n3 1.0459548249966E+22
n4 2.2874445242019E+29
n5 5.0025128487917E+36

Nth Root

y√n
2√n 4676.4771997734
3√n 279.64853435294
4√n 68.384773157285
5√n 29.374300169082

Divisors of 21869439

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 -21869438
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 21869439 can be divided by 4 positive divisors. The sum of these divisors (counting 21869439) is 1, the average is 0.25.

Base conversion 21869439

Base System Value
2 Binary 1010011011011001101111111
3 Ternary 1112011002020020
4 Quaternary 1103123031333
5 Quinary 21044310224
6 Senary 2100423223
8 Octal 123331577
10 Decimal 21869439
12 Duodecimal 73a7b13
16 Hexadecimal 14db37f
20 Vigesimal 6gddbj
36 Base36 d0qkf

Cryptographic Hash Functions

md5 8689a1f1bad59375b0c95e0129c0cf2b
sha1 942363922205b78ad780a08b9aabc889c183b110
sha256 46354d19fd0512b619d9f93ea92c62d268c57b3341d068f4ea0baa959c50cfb0
sha512 76dba0fdce12e404ce4eb673b29a4a757aff1c2e3f2bfd0c92702799d2d9d8f86bb25922e5a9b8c4615462eacbe2fb2bc2740c82c7407f97652de00e53576e49
ripemd-160 eeeb1428a1791e04f80a05319a72807b69c428f2

21869439 as geometric shapes

Circle

Radius = n
Diameter 43738878
Circumference 137409737.80106
Area 1.5025369394231E+15

Sphere

Radius = n
Volume 4.3812853255948E+22
Surface area 6.0101477576926E+15
Circumference 137409737.80106

Square

Length = n
Perimeter 87477756
Area 478272362174721
Diagonal 30928057.235291

Cube

Length = n
Surface area 2869634173048326
Volume 1.0459548249966E+22
Space diagonal 37878979.481028

Equilateral Triangle

Length = n
Perimeter 65608317
Area 2.0709800778565E+14
Altitude 18939489.740514

Triangular Pyramid

Length = n
Surface area 2.0709800778565E+14
Volume 1.2326695826165E+21
Height 10309352.411764