21490425 (number)

21490425 is an odd 8-digits composite number following 21490424 and preceding 21490426. In scientific notation, it is written as 2.1490425 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 28 positive divisors. There are 9849600 positive integers (up to 21490425) that are relatively prime to 21490425.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490425 × 10^7
Engineering notation 2.1490425 × 10^6

Prime Factorization of 21490425

Prime Factorization 15 × 5 × 3 × 209 × 457

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21490425
Product of the distinct prime numbers

The prime factorization of 21490425 is 15 × 5 × 3 × 209 × 457. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 8, 41, 6, 211, 1715, 9450, 17625, 9505, 41048, 468962, 2008475, 4003429, 36512413, 29871722, 848069400, 216834965, 7066428678, 5917559837

Basic calculations (n = 21490425)

Multiplication

n×y
n×2 42980850
n×3 64471275
n×4 85961700
n×5 107452125

Division

n÷y
n÷2 10745212.5
n÷3 7163475
n÷3 5372606.25
n÷5 4298085

Exponentiation

ny
n2 461838366680625
n3 9.9251027812725E+21
n4 2.1329467693823E+29
n5 4.5837932576402E+36

Nth Root

y√n
2√n 4635.7766339633
3√n 278.02360357185
4√n 68.08653783211
5√n 29.271771131785

Divisors of 21490425

1, 3, 5, 15, 45, 75, 209, 225, 457, 627, 1045, 1371, 2285, 3135, 6855, 9405, 15675, 20565, 34275, 47025, 95513, 102825, 286539, 477565, 1432695, 4298085, 7163475, 21490425

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490424
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490425 can be divided by 28 positive divisors. The sum of these divisors (counting 21490425) is 1, the average is 0.035714285714286.

Base conversion 21490425

Base System Value
2 Binary 1010001111110101011111001
3 Ternary 1111102211022200
4 Quaternary 1101332223321
5 Quinary 21000143200
6 Senary 2044340413
8 Octal 121765371
10 Decimal 21490425
12 Duodecimal 7244709
16 Hexadecimal 147eaf9
20 Vigesimal 6e6615
36 Base36 csm49

Cryptographic Hash Functions

md5 fb3fa0b0bde1a5983e180878d2005534
sha1 e0ed61f7a1c6cd79c5ec2cca13d046e15f64aa49
sha256 b543b270caa9ce79938130dc2a4e4d1192ee258dfdb88a3d31b59778e7f8c09d
sha512 e07f399572df7ce3853d1240da83d62c9beb6a6c36411d569d733a284d79bb4db0757fbf73764092dd1ac5e60a078747b757f252ca0235696a2a014a730fcdfd
ripemd-160 2f0e90ddcacb6e01cb8834e002744512f2738df5

21490425 as geometric shapes

Circle

Radius = n
Diameter 42980850
Circumference 135028322.60504
Area 1.4509080199098E+15

Sphere

Radius = n
Volume 4.1574173311692E+22
Surface area 5.803632079639E+15
Circumference 135028322.60504

Square

Length = n
Perimeter 85961700
Area 461838366680625
Diagonal 30392050.496162

Cube

Length = n
Surface area 2771030200083750
Volume 9.9251027812725E+21
Space diagonal 37222507.976248

Equilateral Triangle

Length = n
Perimeter 64471275
Area 1.9998187899387E+14
Altitude 18611253.988124

Triangular Pyramid

Length = n
Surface area 1.9998187899387E+14
Volume 1.1696845801019E+21
Height 10130683.498721