21493766 (number)

21493766 is an even 8-digits composite number following 21493765 and preceding 21493767. In scientific notation, it is written as 2.1493766 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 9211608 positive integers (up to 21493766) that are relatively prime to 21493766.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand seven hundred sixty-six

Notation

Scientific notation 2.1493766 × 10^7
Engineering notation 2.1493766 × 10^6

Prime Factorization of 21493766

Prime Factorization 2 × 7 × 1535269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21493766
Product of the distinct prime numbers

The prime factorization of 21493766 is 2 × 7 × 1535269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493766)

Multiplication

n×y
n×2 42987532
n×3 64481298
n×4 85975064
n×5 107468830

Division

n÷y
n÷2 10746883
n÷3 7164588.6666667
n÷3 5373441.5
n÷5 4298753.2

Exponentiation

ny
n2 461981976862756
n3 9.9297325069055E+21
n4 2.1342734694602E+29
n5 4.5873574532586E+36

Nth Root

y√n
2√n 4636.1369695038
3√n 278.03801043333
4√n 68.089183939182
5√n 29.272681219941

Divisors of 21493766

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493765
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493766 can be divided by 8 positive divisors. The sum of these divisors (counting 21493766) is 1, the average is 0.125.

Base conversion 21493766

Base System Value
2 Binary 1010001111111100000000110
3 Ternary 1111102222220102
4 Quaternary 1101333200012
5 Quinary 21000300031
6 Senary 2044404102
8 Octal 121774006
10 Decimal 21493766
12 Duodecimal 7246632
16 Hexadecimal 147f806
20 Vigesimal 6e6e86
36 Base36 csop2

Cryptographic Hash Functions

md5 672053a0d1ebdf7c93736d2916cee9de
sha1 62bb95e9871352d5ea97297094f6169ee1dcf439
sha256 1fb4b0e6a771b5b00a055710fdff4b5e367d1364e30ab257fac9cbf8360c1138
sha512 986c5e990f01ae0b7361bcc2d04b55a4127f0f6c5668c153b38438e9bfa99ef95f31f387f212527a04d3f8898a50f16cad2cd2e9111fa5629eaaa81d2f75fef1
ripemd-160 53a60e240be84ce450f9ecae0abfe368e52f9e96

21493766 as geometric shapes

Circle

Radius = n
Diameter 42987532
Circumference 135049314.72716
Area 1.4513591846029E+15

Sphere

Radius = n
Volume 4.1593566261075E+22
Surface area 5.8054367384117E+15
Circumference 135049314.72716

Square

Length = n
Perimeter 85975064
Area 461981976862756
Diagonal 30396775.383674

Cube

Length = n
Surface area 2771891861176536
Volume 9.9297325069055E+21
Space diagonal 37228294.757996

Equilateral Triangle

Length = n
Perimeter 64481298
Area 2.0004406402685E+14
Altitude 18614147.378998

Triangular Pyramid

Length = n
Surface area 2.0004406402685E+14
Volume 1.1702301985002E+21
Height 10132258.461225