21493042 (number)

21493042 is an even 8-digits composite number following 21493041 and preceding 21493043. In scientific notation, it is written as 2.1493042 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10738944 positive integers (up to 21493042) that are relatively prime to 21493042.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand forty-two

Notation

Scientific notation 2.1493042 × 10^7
Engineering notation 2.1493042 × 10^6

Prime Factorization of 21493042

Prime Factorization 2 × 1889 × 5689

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21493042
Product of the distinct prime numbers

The prime factorization of 21493042 is 2 × 1889 × 5689. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493042)

Multiplication

n×y
n×2 42986084
n×3 64479126
n×4 85972168
n×5 107465210

Division

n÷y
n÷2 10746521
n÷3 7164347.3333333
n÷3 5373260.5
n÷5 4298608.4

Exponentiation

ny
n2 461950854413764
n3 9.9287291158509E+21
n4 2.1339859189361E+29
n5 4.5865848983101E+36

Nth Root

y√n
2√n 4636.0588865975
3√n 278.03488857031
4√n 68.088610549765
5√n 29.272484011999

Divisors of 21493042

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 -21493041
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 21493042 can be divided by 8 positive divisors. The sum of these divisors (counting 21493042) is 1, the average is 0.125.

Base conversion 21493042

Base System Value
2 Binary 1010001111111010100110010
3 Ternary 1111102221220121
4 Quaternary 1101333110302
5 Quinary 21000234132
6 Senary 2044400454
8 Octal 121772462
10 Decimal 21493042
12 Duodecimal 724612a
16 Hexadecimal 147f532
20 Vigesimal 6e6cc2
36 Base36 cso4y

Cryptographic Hash Functions

md5 8653d2c7105f34ba384f4f8e2a40a809
sha1 5265ccacaa3d3c9db78c718adc8e4421932293c2
sha256 34ced3c65691e40984c365e2225651ea02c3874b61205c74470a114ad80fe42d
sha512 b46222f3247564b1fe4dc12cf95f969c044141ec12c2383ab870efefc06efb537393a4daa53138e706faf90dd38dfa58981ef274b2f9f7bc022118db34de15c4
ripemd-160 f07a47cb4d47111b90bb9ca4e2374c57842d4715

21493042 as geometric shapes

Circle

Radius = n
Diameter 42986084
Circumference 135044765.70099
Area 1.4512614105458E+15

Sphere

Radius = n
Volume 4.1589363266454E+22
Surface area 5.8050456421832E+15
Circumference 135044765.70099

Square

Length = n
Perimeter 85972168
Area 461950854413764
Diagonal 30395751.493055

Cube

Length = n
Surface area 2771705126482584
Volume 9.9287291158509E+21
Space diagonal 37227040.753212

Equilateral Triangle

Length = n
Perimeter 64479126
Area 2.0003058761112E+14
Altitude 18613520.376606

Triangular Pyramid

Length = n
Surface area 2.0003058761112E+14
Volume 1.1701119477304E+21
Height 10131917.164352