21490940 (number)

21490940 is an even 8-digits composite number following 21490939 and preceding 21490941. In scientific notation, it is written as 2.1490940 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 8527680 positive integers (up to 21490940) that are relatively prime to 21490940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490940 × 10^7
Engineering notation 2.1490940 × 10^6

Prime Factorization of 21490940

Prime Factorization 2 × 2 × 5 × 127 × 8461

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745470
Product of the distinct prime numbers

The prime factorization of 21490940 is 2 × 2 × 5 × 127 × 8461. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 11, 97, 468, 225, 7948, 1886, 51303, 81315, 611118, 422070, 8211834, 9967881, 10911446, 47678202, 20061101, 23406764, 6329849610, 2316759427

Basic calculations (n = 21490940)

Multiplication

n×y
n×2 42981880
n×3 64472820
n×4 85963760
n×5 107454700

Division

n÷y
n÷2 10745470
n÷3 7163646.6666667
n÷3 5372735
n÷5 4298188

Exponentiation

ny
n2 461860502083600
n3 9.9258163386485E+21
n4 2.1331512338492E+29
n5 4.5843425177578E+36

Nth Root

y√n
2√n 4635.8321798788
3√n 278.02582442156
4√n 68.086945737629
5√n 29.271911425126

Divisors of 21490940

1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 8461, 16922, 33844, 42305, 84610, 169220, 1074547, 2149094, 4298188, 5372735, 10745470, 21490940

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 -21490939
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 21490940 can be divided by 24 positive divisors. The sum of these divisors (counting 21490940) is 1, the average is 0.041666666666667.

Base conversion 21490940

Base System Value
2 Binary 1010001111110110011111100
3 Ternary 1111102212000202
4 Quaternary 1101332303330
5 Quinary 21000202230
6 Senary 2044343032
8 Octal 121766374
10 Decimal 21490940
12 Duodecimal 7244a78
16 Hexadecimal 147ecfc
20 Vigesimal 6e6770
36 Base36 csmik

Cryptographic Hash Functions

md5 1ba355b2861ca2bca6e7b6bb5b27ac8a
sha1 56a39379854beca0f22318afa2210c3f8926b6b2
sha256 9a322b092cf67ef9bbb92bf52198543dd140da3fd95e9536810a780ac7f3bd32
sha512 a7d155a3aac4f3ba9c84c155014104766558f8b15a4ac9e074aea812c8f8956e419ebcc1d3601bf3f1423b1bf702e83b033ee3dfcecf7cd92cb80b3643223f52
ripemd-160 958575703ee61be9ebaeb6bfe63577868621fed4

21490940 as geometric shapes

Circle

Radius = n
Diameter 42981880
Circumference 135031558.44548
Area 1.4509775603291E+15

Sphere

Radius = n
Volume 4.157716225384E+22
Surface area 5.8039102413165E+15
Circumference 135031558.44548

Square

Length = n
Perimeter 85963760
Area 461860502083600
Diagonal 30392778.816146

Cube

Length = n
Surface area 2771163012501600
Volume 9.9258163386485E+21
Space diagonal 37223399.982414

Equilateral Triangle

Length = n
Perimeter 64472820
Area 1.9999146390452E+14
Altitude 18611699.991207

Triangular Pyramid

Length = n
Surface area 1.9999146390452E+14
Volume 1.1697686736451E+21
Height 10130926.272049