21494838 (number)

21494838 is an even 8-digits composite number following 21494837 and preceding 21494839. In scientific notation, it is written as 2.1494838 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 7157280 positive integers (up to 21494838) that are relatively prime to 21494838.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-four thousand eight hundred thirty-eight

Notation

Scientific notation 2.1494838 × 10^7
Engineering notation 2.1494838 × 10^6

Prime Factorization of 21494838

Prime Factorization 2 × 3 × 1613 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21494838
Product of the distinct prime numbers

The prime factorization of 21494838 is 2 × 3 × 1613 × 2221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 10, 32, 994, 800, 3358, 439, 19481, 67795, 470547, 799092, 1723782, 4100078, 41350182, 34591622, 727919024, 6058491, 8628066382, 221768577

Basic calculations (n = 21494838)

Multiplication

n×y
n×2 42989676
n×3 64484514
n×4 85979352
n×5 107474190

Division

n÷y
n÷2 10747419
n÷3 7164946
n÷3 5373709.5
n÷5 4298967.6

Exponentiation

ny
n2 462028060646244
n3 9.9312183150452E+21
n4 2.1346992882453E+29
n5 4.5885015379548E+36

Nth Root

y√n
2√n 4636.2525815577
3√n 278.0426327316
4√n 68.090032909066
5√n 29.272973208681

Divisors of 21494838

1, 2, 3, 6, 1613, 2221, 3226, 4442, 4839, 6663, 9678, 13326, 3582473, 7164946, 10747419, 21494838

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 -21494837
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 21494838 can be divided by 16 positive divisors. The sum of these divisors (counting 21494838) is 1, the average is 0.0625.

Base conversion 21494838

Base System Value
2 Binary 1010001111111110000110110
3 Ternary 1111110001101010
4 Quaternary 1101333300312
5 Quinary 21000313323
6 Senary 2044413050
8 Octal 121776066
10 Decimal 21494838
12 Duodecimal 7247186
16 Hexadecimal 147fc36
20 Vigesimal 6e6h1i
36 Base36 cspiu

Cryptographic Hash Functions

md5 af4e5d3dcacedf0ab9e6770a83f64255
sha1 6be813016e656e04c7327ae70e63706c8969fd02
sha256 c1ccee6621568853012c5cff0bd71276be5435cd0ea9bf7da4403f38c8f15644
sha512 358e54900a5a22cfd2c5de548f935aa1496e265f0c9dd87faafd9ad2133d30e3e34997d7b507f30a21689f78b476505a88501fa1a4a10529d2280383009b0c26
ripemd-160 35706d86ae77749dd2b947bf699cfe0d3549410c

21494838 as geometric shapes

Circle

Radius = n
Diameter 42989676
Circumference 135056050.30181
Area 1.4515039610786E+15

Sphere

Radius = n
Volume 4.1599789999656E+22
Surface area 5.8060158443143E+15
Circumference 135056050.30181

Square

Length = n
Perimeter 85979352
Area 462028060646244
Diagonal 30398291.420613

Cube

Length = n
Surface area 2772168363877464
Volume 9.9312183150452E+21
Space diagonal 37230151.516462

Equilateral Triangle

Length = n
Perimeter 64484514
Area 2.0006401889045E+14
Altitude 18615075.758231

Triangular Pyramid

Length = n
Surface area 2.0006401889045E+14
Volume 1.1704053026687E+21
Height 10132763.806871