21342785 (number)

21342785 is an odd 8-digits composite number following 21342784 and preceding 21342786. In scientific notation, it is written as 2.1342785 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 17074224 positive integers (up to 21342785) that are relatively prime to 21342785.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred forty-two thousand seven hundred eighty-five

Notation

Scientific notation 2.1342785 × 10^7
Engineering notation 2.1342785 × 10^6

Prime Factorization of 21342785

Prime Factorization 5 × 4268557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21342785
Product of the distinct prime numbers

The prime factorization of 21342785 is 5 × 4268557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21342785)

Multiplication

n×y
n×2 42685570
n×3 64028355
n×4 85371140
n×5 106713925

Division

n÷y
n÷2 10671392.5
n÷3 7114261.6666667
n÷3 5335696.25
n÷5 4268557

Exponentiation

ny
n2 455514471556225
n3 9.7219474308131E+21
n4 2.0749343379715E+29
n5 4.4284877464442E+36

Nth Root

y√n
2√n 4619.8252131439
3√n 277.38546256562
4√n 67.969296105991
5√n 29.231440523795

Divisors of 21342785

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 -21342784
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 21342785 can be divided by 4 positive divisors. The sum of these divisors (counting 21342785) is 1, the average is 0.25.

Base conversion 21342785

Base System Value
2 Binary 1010001011010101001000001
3 Ternary 1111011022210112
4 Quaternary 1101122221001
5 Quinary 20430432120
6 Senary 2041241105
8 Octal 121325101
10 Decimal 21342785
12 Duodecimal 7193195
16 Hexadecimal 145aa41
20 Vigesimal 6d7gj5
36 Base36 cpg75

Cryptographic Hash Functions

md5 549e09572031e1fd1bc49ed1655f1944
sha1 721f4ee0a47aa9b0623b61ca01c1ba485ee87027
sha256 180bd9339501ea59a91be77c9bd512f4f01adbd384d34c99549cd84616eeccfd
sha512 7df40b88268ca85adcd0887164b9b9b719e1ec53fe7f985692a7c1ddcbbb0eb772c6dfcf1bf6e7347bf1d9e437fa37de224f181671002892b39ac8a1dbc085a7
ripemd-160 8a43a964c4227445753407d06e3553d18093c543

21342785 as geometric shapes

Circle

Radius = n
Diameter 42685570
Circumference 134100673.12629
Area 1.4310409174449E+15

Sphere

Radius = n
Volume 4.0723198169638E+22
Surface area 5.7241636697795E+15
Circumference 134100673.12629

Square

Length = n
Perimeter 85371140
Area 455514471556225
Diagonal 30183256.005813

Cube

Length = n
Surface area 2733086829337350
Volume 9.7219474308131E+21
Space diagonal 36966787.995019

Equilateral Triangle

Length = n
Perimeter 64028355
Area 1.9724355207957E+14
Altitude 18483393.997509

Triangular Pyramid

Length = n
Surface area 1.9724355207957E+14
Volume 1.1457424924445E+21
Height 10061085.335271