21490618 (number)

21490618 is an even 8-digits composite number following 21490617 and preceding 21490619. In scientific notation, it is written as 2.1490618 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 10112960 positive integers (up to 21490618) that are relatively prime to 21490618.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490618 × 10^7
Engineering notation 2.1490618 × 10^6

Prime Factorization of 21490618

Prime Factorization 2 × 17 × 17 × 37181

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1264154
Product of the distinct prime numbers

The prime factorization of 21490618 is 2 × 17 × 17 × 37181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 47, 68, 87, 321, 2754, 2686, 39629, 74790, 881586, 984845, 2551952, 2538497, 9647051, 28404084, 666127799, 196889902, 6137441159, 4290090232

Basic calculations (n = 21490618)

Multiplication

n×y
n×2 42981236
n×3 64471854
n×4 85962472
n×5 107453090

Division

n÷y
n÷2 10745309
n÷3 7163539.3333333
n÷3 5372654.5
n÷5 4298123.6

Exponentiation

ny
n2 461846662021924
n3 9.9253701880883E+21
n4 2.1330233922079E+29
n5 4.5839990907005E+36

Nth Root

y√n
2√n 4635.7974502776
3√n 278.02443585561
4√n 68.086690698532
5√n 29.271823708051

Divisors of 21490618

1, 2, 17, 34, 289, 578, 37181, 74362, 632077, 1264154, 10745309, 21490618

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490617
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490618 can be divided by 12 positive divisors. The sum of these divisors (counting 21490618) is 1, the average is 0.083333333333333.

Base conversion 21490618

Base System Value
2 Binary 1010001111110101110111010
3 Ternary 1111102211120211
4 Quaternary 1101332232322
5 Quinary 21000144433
6 Senary 2044341334
8 Octal 121765672
10 Decimal 21490618
12 Duodecimal 724484a
16 Hexadecimal 147ebba
20 Vigesimal 6e66ai
36 Base36 csm9m

Cryptographic Hash Functions

md5 2363e1114102e4d3f728398ee4270de5
sha1 c52a8c420d9e869f4949f0b70c7d84261d861cf1
sha256 7c4011c871b2b9488e71fac87847327e44672d7e9994630971346468d6a58116
sha512 1346806682c4b350bc6f1bdc59706502fec3fe5a987efbd21190c8300090cf13605d0fcf97a7c42588d5f82df3fc5ad3a4117e769845250d7ccc8aff08a95a66
ripemd-160 74db4dd45dbf686bd9c1010af915aa7cb8afe161

21490618 as geometric shapes

Circle

Radius = n
Diameter 42981236
Circumference 135029535.25981
Area 1.450934080493E+15

Sphere

Radius = n
Volume 4.1575293422743E+22
Surface area 5.8037363219722E+15
Circumference 135029535.25981

Square

Length = n
Perimeter 85962472
Area 461846662021924
Diagonal 30392323.439379

Cube

Length = n
Surface area 2771079972131544
Volume 9.9253701880883E+21
Space diagonal 37222842.262054

Equilateral Triangle

Length = n
Perimeter 64471854
Area 1.9998547098202E+14
Altitude 18611421.131027

Triangular Pyramid

Length = n
Surface area 1.9998547098202E+14
Volume 1.1697160942973E+21
Height 10130774.479793