21494518 (number)

21494518 is an even 8-digits composite number following 21494517 and preceding 21494519. In scientific notation, it is written as 2.1494518 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10747258 positive integers (up to 21494518) that are relatively prime to 21494518.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494518 × 10^7
Engineering notation 2.1494518 × 10^6

Prime Factorization of 21494518

Prime Factorization 2 × 10747259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21494518
Product of the distinct prime numbers

The prime factorization of 21494518 is 2 × 10747259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494518)

Multiplication

n×y
n×2 42989036
n×3 64483554
n×4 85978072
n×5 107472590

Division

n÷y
n÷2 10747259
n÷3 7164839.3333333
n÷3 5373629.5
n÷5 4298903.6

Exponentiation

ny
n2 462014304052324
n3 9.9307747747102E+21
n4 2.1345721714895E+29
n5 4.5881599962381E+36

Nth Root

y√n
2√n 4636.2180707987
3√n 278.04125295716
4√n 68.089779488545
5√n 29.272886049083

Divisors of 21494518

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494517
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494518 can be divided by 4 positive divisors. The sum of these divisors (counting 21494518) is 1, the average is 0.25.

Base conversion 21494518

Base System Value
2 Binary 1010001111111101011110110
3 Ternary 1111110000221021
4 Quaternary 1101333223312
5 Quinary 21000311033
6 Senary 2044411354
8 Octal 121775366
10 Decimal 21494518
12 Duodecimal 7246b5a
16 Hexadecimal 147faf6
20 Vigesimal 6e6g5i
36 Base36 csp9y

Cryptographic Hash Functions

md5 c1ea14aab47abbb728ccda25707e789f
sha1 f0069152d0b7bbd990fd1d09d17e7312a1d33259
sha256 fe70b69593a1771551a5583e8c3573441d3f545c51d0f2a6f0a0c97f20f73fe7
sha512 785d7804aa2791e3f621b65019f32e739507dc759f64c19a7c3f51fab1fc3c5ef73648c0d0b57f13707da0858a777dd890aab7b16932f6c4a69662de34bcdde5
ripemd-160 ef8f673b46d40a66bac566ca81b3b7757f883290

21494518 as geometric shapes

Circle

Radius = n
Diameter 42989036
Circumference 135054039.68251
Area 1.4514607434642E+15

Sphere

Radius = n
Volume 4.1597932102246E+22
Surface area 5.8058429738567E+15
Circumference 135054039.68251

Square

Length = n
Perimeter 85978072
Area 462014304052324
Diagonal 30397838.872273

Cube

Length = n
Surface area 2772085824313944
Volume 9.9307747747102E+21
Space diagonal 37229597.260204

Equilateral Triangle

Length = n
Perimeter 64483554
Area 2.0005806211055E+14
Altitude 18614798.630102

Triangular Pyramid

Length = n
Surface area 2.0005806211055E+14
Volume 1.170353030939E+21
Height 10132612.957424