21869438 (number)

21869438 is an even 8-digits composite number following 21869437 and preceding 21869439. In scientific notation, it is written as 2.1869438 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 10934718 positive integers (up to 21869438) that are relatively prime to 21869438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1869438 × 10^7
Engineering notation 2.1869438 × 10^6

Prime Factorization of 21869438

Prime Factorization 2 × 10934719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21869438
Product of the distinct prime numbers

The prime factorization of 21869438 is 2 × 10934719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21869438)

Multiplication

n×y
n×2 43738876
n×3 65608314
n×4 87477752
n×5 109347190

Division

n÷y
n÷2 10934719
n÷3 7289812.6666667
n÷3 5467359.5
n÷5 4373887.6

Exponentiation

ny
n2 478272318435844
n3 1.0459546815149E+22
n4 2.28744410582E+29
n5 5.0025117050695E+36

Nth Root

y√n
2√n 4676.4770928553
3√n 279.64853009054
4√n 68.384772375546
5√n 29.374299900449

Divisors of 21869438

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 -21869437
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 21869438 can be divided by 4 positive divisors. The sum of these divisors (counting 21869438) is 1, the average is 0.25.

Base conversion 21869438

Base System Value
2 Binary 1010011011011001101111110
3 Ternary 1112011002020012
4 Quaternary 1103123031332
5 Quinary 21044310223
6 Senary 2100423222
8 Octal 123331576
10 Decimal 21869438
12 Duodecimal 73a7b12
16 Hexadecimal 14db37e
20 Vigesimal 6gddbi
36 Base36 d0qke

Cryptographic Hash Functions

md5 1c7ba1093aa6d5639e3a2bcf835c43ae
sha1 4c7f0529890caf9969b43ed915c3ab6ccf7c7d5c
sha256 871fe80f9eb82aed786e509ee28af99e737094105bf09020ed1ee9a4f85fd4e5
sha512 2feacaef97358a7e7513aa8ea56dc585f849effdd5c0452aa4687dabe1274b5123ae73185fdb1ec1c0b0ef340c4b29c4754f8cf9e2f504ee4b4380b002cd54ad
ripemd-160 c32b06f9a1470a1fa43c9b264e807d7c63dc4e08

21869438 as geometric shapes

Circle

Radius = n
Diameter 43738876
Circumference 137409731.51787
Area 1.5025368020134E+15

Sphere

Radius = n
Volume 4.3812847245801E+22
Surface area 6.0101472080536E+15
Circumference 137409731.51787

Square

Length = n
Perimeter 87477752
Area 478272318435844
Diagonal 30928055.821078

Cube

Length = n
Surface area 2869633910615064
Volume 1.0459546815149E+22
Space diagonal 37878977.748977

Equilateral Triangle

Length = n
Perimeter 65608314
Area 2.0709798884616E+14
Altitude 18939488.874489

Triangular Pyramid

Length = n
Surface area 2.0709798884616E+14
Volume 1.2326694135217E+21
Height 10309351.940359