21343945 (number)

21343945 is an odd 8-digits composite number following 21343944 and preceding 21343946. In scientific notation, it is written as 2.1343945 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 14566464 positive integers (up to 21343945) that are relatively prime to 21343945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1343945 × 10^7
Engineering notation 2.1343945 × 10^6

Prime Factorization of 21343945

Prime Factorization 5 × 7 × 229 × 2663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21343945
Product of the distinct prime numbers

The prime factorization of 21343945 is 5 × 7 × 229 × 2663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 43, 59, 83, 882, 4401, 7550, 25877, 1614, 291682, 984238, 8363391, 262045, 44965377, 19732056, 444844253, 260469119, 8040575462, 9024582020

Basic calculations (n = 21343945)

Multiplication

n×y
n×2 42687890
n×3 64031835
n×4 85375780
n×5 106719725

Division

n÷y
n÷2 10671972.5
n÷3 7114648.3333333
n÷3 5335986.25
n÷5 4268789

Exponentiation

ny
n2 455563988163025
n3 9.7235327073323E+21
n4 2.07538547311E+29
n5 4.4296913391859E+36

Nth Root

y√n
2√n 4619.9507573133
3√n 277.39048785961
4√n 67.970219635612
5√n 29.231758268024

Divisors of 21343945

1, 5, 7, 35, 229, 1145, 1603, 2663, 8015, 13315, 18641, 93205, 609827, 3049135, 4268789, 21343945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21343944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21343945 can be divided by 16 positive divisors. The sum of these divisors (counting 21343945) is 1, the average is 0.0625.

Base conversion 21343945

Base System Value
2 Binary 1010001011010111011001001
3 Ternary 1111011101101111
4 Quaternary 1101122323021
5 Quinary 20431001240
6 Senary 2041250321
8 Octal 121327311
10 Decimal 21343945
12 Duodecimal 71939a1
16 Hexadecimal 145aec9
20 Vigesimal 6d7jh5
36 Base36 cph3d

Cryptographic Hash Functions

md5 73d7fb3afa43093b34c12a7a0c5934d4
sha1 fa1e29f598e6b3d3a630702b6c929c3a434f2561
sha256 faf07504615ce2d6dcd292e7880e47270c1009519dca312ccbafa39a5f32f5ab
sha512 23df3957aa4bda86e5061491fa38d733e01e09d7910de0d071191e1c21a3c87f004a5d3019a4d7c3278fa7c4fe3635fd63c1a61c91c2c3e87c19b2d2e6875b29
ripemd-160 012c8583bd92da949eefbf462b282c5d2cfb936d

21343945 as geometric shapes

Circle

Radius = n
Diameter 42687890
Circumference 134107961.62125
Area 1.431196478453E+15

Sphere

Radius = n
Volume 4.0729838560393E+22
Surface area 5.7247859138121E+15
Circumference 134107961.62125

Square

Length = n
Perimeter 85375780
Area 455563988163025
Diagonal 30184896.493545

Cube

Length = n
Surface area 2733383928978150
Volume 9.7235327073323E+21
Space diagonal 36968797.173956

Equilateral Triangle

Length = n
Perimeter 64031835
Area 1.9726499339927E+14
Altitude 18484398.586978

Triangular Pyramid

Length = n
Surface area 1.9726499339927E+14
Volume 1.145929319074E+21
Height 10061632.164515