21143965 (number)

21143965 is an odd 8-digits composite number following 21143964 and preceding 21143966. In scientific notation, it is written as 2.1143965 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16915168 positive integers (up to 21143965) that are relatively prime to 21143965.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-three thousand nine hundred sixty-five

Notation

Scientific notation 2.1143965 × 10^7
Engineering notation 2.1143965 × 10^6

Prime Factorization of 21143965

Prime Factorization 5 × 4228793

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21143965
Product of the distinct prime numbers

The prime factorization of 21143965 is 5 × 4228793. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21143965)

Multiplication

n×y
n×2 42287930
n×3 63431895
n×4 84575860
n×5 105719825

Division

n÷y
n÷2 10571982.5
n÷3 7047988.3333333
n÷3 5285991.25
n÷5 4228793

Exponentiation

ny
n2 447067255921225
n3 9.4527744118444E+21
n4 1.9986913131693E+29
n5 4.2260259171457E+36

Nth Root

y√n
2√n 4598.2567348942
3√n 276.52144037042
4√n 67.81044709257
5√n 29.176774997309

Divisors of 21143965

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 -21143964
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 21143965 can be divided by 4 positive divisors. The sum of these divisors (counting 21143965) is 1, the average is 0.25.

Base conversion 21143965

Base System Value
2 Binary 1010000101010000110011101
3 Ternary 1110210020001211
4 Quaternary 1100222012131
5 Quinary 20403101330
6 Senary 2033104421
8 Octal 120520635
10 Decimal 21143965
12 Duodecimal 70b8111
16 Hexadecimal 142a19d
20 Vigesimal 6c2ji5
36 Base36 cl6sd

Cryptographic Hash Functions

md5 bb5767c9aba7e1644372d7c7a4d1b806
sha1 dbce612a92bd4a6119260cfd8acfe66ee3bcd9d6
sha256 f26ac6439810a1f60962c3145d23e1d65b49c3234b2b8e0e88d1292446eb9e83
sha512 8c0318ad3cc12fe9831cf5ea781312684491730197d104a9b318ebfcfd90603deae69c7a5536bbf9f1c62e08309c9edfdd4436c695fdffc0396fa0354ad8ad7c
ripemd-160 85f659ac7c6ecdbf942be28d53453121713fcb43

21143965 as geometric shapes

Circle

Radius = n
Diameter 42287930
Circumference 132851450.22352
Area 1.4045032068627E+15

Sphere

Radius = n
Volume 3.9595688864389E+22
Surface area 5.6180128274507E+15
Circumference 132851450.22352

Square

Length = n
Perimeter 84575860
Area 447067255921225
Diagonal 29902082.065342

Cube

Length = n
Surface area 2682403535527350
Volume 9.4527744118444E+21
Space diagonal 36622421.653458

Equilateral Triangle

Length = n
Perimeter 63431895
Area 1.9358580041399E+14
Altitude 18311210.826729

Triangular Pyramid

Length = n
Surface area 1.9358580041399E+14
Volume 1.1140201479403E+21
Height 9967360.6884473