21490625 (number)

21490625 is an odd 8-digits composite number following 21490624 and preceding 21490626. In scientific notation, it is written as 2.1490625 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 20 positive divisors. There are 15180000 positive integers (up to 21490625) that are relatively prime to 21490625.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490625 × 10^7
Engineering notation 2.1490625 × 10^6

Prime Factorization of 21490625

Prime Factorization 325 × 115 × 5 × 5 × 23

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4298125
Product of the distinct prime numbers

The prime factorization of 21490625 is 325 × 115 × 5 × 5 × 23. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 3, 54, 91, 351, 420, 2081, 690, 81298, 40920, 640691, 69382, 8632916, 6455786, 68323820, 14652253, 43582110, 363867485, 6731569586, 571151956

Basic calculations (n = 21490625)

Multiplication

n×y
n×2 42981250
n×3 64471875
n×4 85962500
n×5 107453125

Division

n÷y
n÷2 10745312.5
n÷3 7163541.6666667
n÷3 5372656.25
n÷5 4298125

Exponentiation

ny
n2 461846962890625
n3 9.9253798868713E+21
n4 2.1330261713129E+29
n5 4.5840065562872E+36

Nth Root

y√n
2√n 4635.7982052717
3√n 278.02446604197
4√n 68.086696242891
5√n 29.271825614955

Divisors of 21490625

1, 5, 23, 25, 115, 325, 575, 1625, 2645, 2875, 7475, 8125, 13225, 37375, 66125, 186875, 859625, 934375, 4298125, 21490625

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490625 can be divided by 20 positive divisors. The sum of these divisors (counting 21490625) is 1, the average is 0.05.

Base conversion 21490625

Base System Value
2 Binary 1010001111110101111000001
3 Ternary 1111102211121002
4 Quaternary 1101332233001
5 Quinary 21000200000
6 Senary 2044341345
8 Octal 121765701
10 Decimal 21490625
12 Duodecimal 7244855
16 Hexadecimal 147ebc1
20 Vigesimal 6e66b5
36 Base36 csm9t

Cryptographic Hash Functions

md5 a619a9da8afce7e244623d348278cb9a
sha1 145d0b09fbb9eb25d24031c0a90126b8e3143ff8
sha256 6f880bd3871ba1b6a36591a4522d610da56fcda2d8428029a7eccfecedd198eb
sha512 38e35d8cf6b02aa5eb63f8e29190702a260dc15eb6e4b410b30e842313ee31e1fc677be7019128ec56ee8f5ea7d2a8f068370fc8f75879fdfe49ebd31a1f4606
ripemd-160 8c4631da16f09d70291e8535a8973a586556562b

21490625 as geometric shapes

Circle

Radius = n
Diameter 42981250
Circumference 135029579.24211
Area 1.4509350256999E+15

Sphere

Radius = n
Volume 4.1575334048911E+22
Surface area 5.8037401027998E+15
Circumference 135029579.24211

Square

Length = n
Perimeter 85962500
Area 461846962890625
Diagonal 30392333.338874

Cube

Length = n
Surface area 2771081777343750
Volume 9.9253798868713E+21
Space diagonal 37222854.38641

Equilateral Triangle

Length = n
Perimeter 64471875
Area 1.9998560126199E+14
Altitude 18611427.193205

Triangular Pyramid

Length = n
Surface area 1.9998560126199E+14
Volume 1.1697172373099E+21
Height 10130777.779625