21495943 (number)

21495943 is an odd 8-digits composite number following 21495942 and preceding 21495944. In scientific notation, it is written as 2.1495943 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 18395160 positive integers (up to 21495943) that are relatively prime to 21495943.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred forty-three

Notation

Scientific notation 2.1495943 × 10^7
Engineering notation 2.1495943 × 10^6

Prime Factorization of 21495943

Prime Factorization 7 × 719 × 4271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495943
Product of the distinct prime numbers

The prime factorization of 21495943 is 7 × 719 × 4271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 50, 26, 191, 291, 5666, 8238, 416, 25869, 339650, 132140, 8212943, 4947963, 58367181, 51364300, 782104510, 917836417, 8344518108, 1396365594

Basic calculations (n = 21495943)

Multiplication

n×y
n×2 42991886
n×3 64487829
n×4 85983772
n×5 107479715

Division

n÷y
n÷2 10747971.5
n÷3 7165314.3333333
n÷3 5373985.75
n÷5 4299188.6

Exponentiation

ny
n2 462075565459249
n3 9.9327500168048E+21
n4 2.1351382819448E+29
n5 4.5896810805804E+36

Nth Root

y√n
2√n 4636.3717495473
3√n 278.04739715991
4√n 68.090907980047
5√n 29.273274173687

Divisors of 21495943

1, 7, 719, 4271, 5033, 29897, 3070849, 21495943

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495942
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495943 can be divided by 8 positive divisors. The sum of these divisors (counting 21495943) is 1, the average is 0.125.

Base conversion 21495943

Base System Value
2 Binary 1010010000000000010000111
3 Ternary 1111110002220001
4 Quaternary 1102000002013
5 Quinary 21000332233
6 Senary 2044422131
8 Octal 122000207
10 Decimal 21495943
12 Duodecimal 7247947
16 Hexadecimal 1480087
20 Vigesimal 6e6jh3
36 Base36 csqdj

Cryptographic Hash Functions

md5 db9d08ac578a3b927d6a3ccca5127005
sha1 145e111b546593e241f764addb9718d257a61744
sha256 0c9b24c265a825481a9cb2d9b120c559186f87b2d0e56a328b08b2f934bcef8c
sha512 b7a008fa9545882dc98fbb551a2af17c93a3b5baaa0f4fad5ec413c0831099d90f6cabf7ed0ad237c60ba57732069fef9bd9bd068c076dec334ae1673459056d
ripemd-160 663f96b29e495905d9f6ab1e1d6bc2790039d561

21495943 as geometric shapes

Circle

Radius = n
Diameter 42991886
Circumference 135062993.22157
Area 1.4516532018501E+15

Sphere

Radius = n
Volume 4.1606205976984E+22
Surface area 5.8066128074005E+15
Circumference 135062993.22157

Square

Length = n
Perimeter 85983772
Area 462075565459249
Diagonal 30399854.126599

Cube

Length = n
Surface area 2772453392755494
Volume 9.9327500168048E+21
Space diagonal 37232065.432605

Equilateral Triangle

Length = n
Perimeter 64487829
Area 2.0008458907788E+14
Altitude 18616032.716302

Triangular Pyramid

Length = n
Surface area 2.0008458907788E+14
Volume 1.1705858154522E+21
Height 10133284.708866