21143986 (number)

21143986 is an even 8-digits composite number following 21143985 and preceding 21143987. In scientific notation, it is written as 2.1143986 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10571992 positive integers (up to 21143986) that are relatively prime to 21143986.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-three thousand nine hundred eighty-six

Notation

Scientific notation 2.1143986 × 10^7
Engineering notation 2.1143986 × 10^6

Prime Factorization of 21143986

Prime Factorization 2 × 10571993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21143986
Product of the distinct prime numbers

The prime factorization of 21143986 is 2 × 10571993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21143986)

Multiplication

n×y
n×2 42287972
n×3 63431958
n×4 84575944
n×5 105719930

Division

n÷y
n÷2 10571993
n÷3 7047995.3333333
n÷3 5285996.5
n÷5 4228797.2

Exponentiation

ny
n2 447068143968196
n3 9.4528025771095E+21
n4 1.9986992535117E+29
n5 4.2260469034461E+36

Nth Root

y√n
2√n 4598.2590183677
3√n 276.52153191661
4√n 67.810463929748
5√n 29.17678079293

Divisors of 21143986

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 -21143985
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 21143986 can be divided by 4 positive divisors. The sum of these divisors (counting 21143986) is 1, the average is 0.25.

Base conversion 21143986

Base System Value
2 Binary 1010000101010000110110010
3 Ternary 1110210020002121
4 Quaternary 1100222012302
5 Quinary 20403101421
6 Senary 2033104454
8 Octal 120520662
10 Decimal 21143986
12 Duodecimal 70b812a
16 Hexadecimal 142a1b2
20 Vigesimal 6c2jj6
36 Base36 cl6sy

Cryptographic Hash Functions

md5 a315217c69434c4a093a6f8580884c04
sha1 c9c2c07621e70736fd4125382b724e1681cca47d
sha256 cb94c7d6a47b44f3efdb15ec58a7360d95a808dbdd638603c70d313c3d859ccb
sha512 1bc62f99fb649d1a1485aacd155a5db2b63c4665a22c7e21c7848271c97d133222c12ac7a8d34c11c24dd75b93121a3f4b18c72d571526fbd9d9ad9c6f0ac6b4
ripemd-160 db64411dd6ba0a88819ae704fd869b0ebe35fba4

21143986 as geometric shapes

Circle

Radius = n
Diameter 42287972
Circumference 132851582.17041
Area 1.4045059967445E+15

Sphere

Radius = n
Volume 3.9595806842776E+22
Surface area 5.618023986978E+15
Circumference 132851582.17041

Square

Length = n
Perimeter 84575944
Area 447068143968196
Diagonal 29902111.763827

Cube

Length = n
Surface area 2682408863809176
Volume 9.4528025771095E+21
Space diagonal 36622458.026525

Equilateral Triangle

Length = n
Perimeter 63431958
Area 1.9358618494961E+14
Altitude 18311229.013263

Triangular Pyramid

Length = n
Surface area 1.9358618494961E+14
Volume 1.1140234672486E+21
Height 9967370.5879423