21493770 (number)

21493770 is an even 8-digits composite number following 21493769 and preceding 21493771. In scientific notation, it is written as 2.1493770 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5731664 positive integers (up to 21493770) that are relatively prime to 21493770.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493770 × 10^7
Engineering notation 2.1493770 × 10^6

Prime Factorization of 21493770

Prime Factorization 2 × 5 × 3 × 716459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21493770
Product of the distinct prime numbers

The prime factorization of 21493770 is 2 × 5 × 3 × 716459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493770)

Multiplication

n×y
n×2 42987540
n×3 64481310
n×4 85975080
n×5 107468850

Division

n÷y
n÷2 10746885
n÷3 7164590
n÷3 5373442.5
n÷5 4298754

Exponentiation

ny
n2 461982148812900
n3 9.9297380506902E+21
n4 2.1342750582178E+29
n5 4.5873617218071E+36

Nth Root

y√n
2√n 4636.1374008974
3√n 278.03802768099
4√n 68.089187107039
5√n 29.272682309473

Divisors of 21493770

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 -21493769
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 21493770 can be divided by 16 positive divisors. The sum of these divisors (counting 21493770) is 1, the average is 0.0625.

Base conversion 21493770

Base System Value
2 Binary 1010001111111100000001010
3 Ternary 1111102222220120
4 Quaternary 1101333200022
5 Quinary 21000300040
6 Senary 2044404110
8 Octal 121774012
10 Decimal 21493770
12 Duodecimal 7246636
16 Hexadecimal 147f80a
20 Vigesimal 6e6e8a
36 Base36 csop6

Cryptographic Hash Functions

md5 ce50fd2920898cd668e484954da9e4f6
sha1 d7360a4e59db6a73878c7c5571c73f19a7ddfeab
sha256 6319015572e2bd9252d541ea9798d98e5ee8d38b91851aaa0ec8cb2863f94043
sha512 c9e3c23f774b56897dbda1b11ba3bcafa1d4d081dca0619f9182db0c58abed0e881db1e5f29b8951d2e00259341b6dfba058784d9e6f65626bc670802c66a658
ripemd-160 c37078260cc57c9587f17df2c042853c9c1c84ba

21493770 as geometric shapes

Circle

Radius = n
Diameter 42987540
Circumference 135049339.8599
Area 1.4513597248002E+15

Sphere

Radius = n
Volume 4.1593589482826E+22
Surface area 5.8054388992009E+15
Circumference 135049339.8599

Square

Length = n
Perimeter 85975080
Area 461982148812900
Diagonal 30396781.040528

Cube

Length = n
Surface area 2771892892877400
Volume 9.9297380506902E+21
Space diagonal 37228301.6862

Equilateral Triangle

Length = n
Perimeter 64481310
Area 2.0004413848345E+14
Altitude 18614150.8431

Triangular Pyramid

Length = n
Surface area 2.0004413848345E+14
Volume 1.1702308518415E+21
Height 10132260.346843