21493090 (number)

21493090 is an even 8-digits composite number following 21493089 and preceding 21493091. In scientific notation, it is written as 2.1493090 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8334144 positive integers (up to 21493090) that are relatively prime to 21493090.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493090 × 10^7
Engineering notation 2.1493090 × 10^6

Prime Factorization of 21493090

Prime Factorization 2 × 265 × 107 × 379

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493090
Product of the distinct prime numbers

The prime factorization of 21493090 is 2 × 265 × 107 × 379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 15, 17, 592, 873, 2650, 3949, 60152, 17728, 547729, 318552, 9314919, 7180947, 99049366, 73788946, 65509919, 912343361, 5314292262, 5218019829

Basic calculations (n = 21493090)

Multiplication

n×y
n×2 42986180
n×3 64479270
n×4 85972360
n×5 107465450

Division

n÷y
n÷2 10746545
n÷3 7164363.3333333
n÷3 5373272.5
n÷5 4298618

Exponentiation

ny
n2 461952917748100
n3 9.9287956369225E+21
n4 2.1340049821598E+29
n5 4.586636114201E+36

Nth Root

y√n
2√n 4636.0640634055
3√n 278.03509554682
4√n 68.088648564981
5√n 29.272497086724

Divisors of 21493090

1, 2, 107, 214, 265, 379, 530, 758, 28355, 40553, 56710, 81106, 100435, 200870, 10746545, 21493090

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493089
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493090 can be divided by 16 positive divisors. The sum of these divisors (counting 21493090) is 1, the average is 0.0625.

Base conversion 21493090

Base System Value
2 Binary 1010001111111010101100010
3 Ternary 1111102221222101
4 Quaternary 1101333111202
5 Quinary 21000234330
6 Senary 2044401014
8 Octal 121772542
10 Decimal 21493090
12 Duodecimal 724616a
16 Hexadecimal 147f562
20 Vigesimal 6e6cea
36 Base36 cso6a

Cryptographic Hash Functions

md5 01790bc582f118d415f5b5e5f5b51a6f
sha1 e6b3844a7b94921eaa64b9da97ac6d9f90da81a5
sha256 50404ff37245b64b012399f675b5e277c54a6f0b3f704cf7502976dff7ac161a
sha512 40d65bee19b8b7eddfa8c9e1a0ee80fc588da5ccc95bdb146c430915cee76130475c795718fb719508ffdc0deaac9a6759af4125286e2d2e9de6b86f0f3f7300
ripemd-160 57bd2eedfbb639db7a02b1929ed2e74ba3ad847a

21493090 as geometric shapes

Circle

Radius = n
Diameter 42986180
Circumference 135045067.29389
Area 1.4512678927018E+15

Sphere

Radius = n
Volume 4.1589641909267E+22
Surface area 5.8050715708072E+15
Circumference 135045067.29389

Square

Length = n
Perimeter 85972360
Area 461952917748100
Diagonal 30395819.375306

Cube

Length = n
Surface area 2771717506488600
Volume 9.9287956369225E+21
Space diagonal 37227123.891651

Equilateral Triangle

Length = n
Perimeter 64479270
Area 2.000314810611E+14
Altitude 18613561.945825

Triangular Pyramid

Length = n
Surface area 2.000314810611E+14
Volume 1.1701197873139E+21
Height 10131939.791769