21495906 (number)

21495906 is an even 8-digits composite number following 21495905 and preceding 21495907. In scientific notation, it is written as 2.1495906 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7121400 positive integers (up to 21495906) that are relatively prime to 21495906.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred six

Notation

Scientific notation 2.1495906 × 10^7
Engineering notation 2.1495906 × 10^6

Prime Factorization of 21495906

Prime Factorization 2 × 3 × 3 × 167 × 7151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7165302
Product of the distinct prime numbers

The prime factorization of 21495906 is 2 × 3 × 3 × 167 × 7151. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495906)

Multiplication

n×y
n×2 42991812
n×3 64487718
n×4 85983624
n×5 107479530

Division

n÷y
n÷2 10747953
n÷3 7165302
n÷3 5373976.5
n÷5 4299181.2

Exponentiation

ny
n2 462073974760836
n3 9.9326987265053E+21
n4 2.1351235815128E+29
n5 4.5896415806582E+36

Nth Root

y√n
2√n 4636.3677593565
3√n 278.04723762966
4√n 68.090878679574
5√n 29.273264096326

Divisors of 21495906

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495906 can be divided by 24 positive divisors. The sum of these divisors (counting 21495906) is 1, the average is 0.041666666666667.

Base conversion 21495906

Base System Value
2 Binary 1010010000000000001100010
3 Ternary 1111110002211200
4 Quaternary 1102000001202
5 Quinary 21000332111
6 Senary 2044422030
8 Octal 122000142
10 Decimal 21495906
12 Duodecimal 7247916
16 Hexadecimal 1480062
20 Vigesimal 6e6jf6
36 Base36 csqci

Cryptographic Hash Functions

md5 d8c45dc443739ecf1da0068e563db4d4
sha1 4ab6d7e650ec9503796519516776ae25a914b7cc
sha256 96897a35c9d5a47d15b3ff5a6aba13d4799cea30ed65ad00955ea2b26044a1be
sha512 1899eb7cc3d1f87897382cc4a2f1ee09a8b85b1ad5fead55decee91899a6af6ec63b618fb464b44025d2673c0f9c0dd2a17f218712175824952789d6135a3483
ripemd-160 c82fd593d74ed203dfd30fbd13feb13243b7c7b6

21495906 as geometric shapes

Circle

Radius = n
Diameter 42991812
Circumference 135062760.74371
Area 1.4516482045237E+15

Sphere

Radius = n
Volume 4.160599113268E+22
Surface area 5.8065928180947E+15
Circumference 135062760.74371

Square

Length = n
Perimeter 85983624
Area 462073974760836
Diagonal 30399801.800697

Cube

Length = n
Surface area 2772443848565016
Volume 9.9326987265053E+21
Space diagonal 37232001.346725

Equilateral Triangle

Length = n
Perimeter 64487718
Area 2.0008390028527E+14
Altitude 18616000.673362

Triangular Pyramid

Length = n
Surface area 2.0008390028527E+14
Volume 1.1705797708325E+21
Height 10133267.266899