21305061 (number)

21305061 is an odd 8-digits composite number following 21305060 and preceding 21305062. In scientific notation, it is written as 2.1305061 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 12868416 positive integers (up to 21305061) that are relatively prime to 21305061.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand sixty-one

Notation

Scientific notation 2.1305061 × 10^7
Engineering notation 2.1305061 × 10^6

Prime Factorization of 21305061

Prime Factorization 207 × 19 × 5417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21305061
Product of the distinct prime numbers

The prime factorization of 21305061 is 207 × 19 × 5417. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21305061)

Multiplication

n×y
n×2 42610122
n×3 63915183
n×4 85220244
n×5 106525305

Division

n÷y
n÷2 10652530.5
n÷3 7101687
n÷3 5326265.25
n÷5 4261012.2

Exponentiation

ny
n2 453905624213721
n3 9.6704870121164E+21
n4 2.0603031569285E+29
n5 4.3894884436854E+36

Nth Root

y√n
2√n 4615.7405689662
3√n 277.22193719556
4√n 67.939241745593
5√n 29.221099724025

Divisors of 21305061

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 -21305060
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 21305061 can be divided by 8 positive divisors. The sum of these divisors (counting 21305061) is 1, the average is 0.125.

Base conversion 21305061

Base System Value
2 Binary 1010001010001011011100101
3 Ternary 1111002102001100
4 Quaternary 1101101123211
5 Quinary 20423230221
6 Senary 2040350313
8 Octal 121213345
10 Decimal 21305061
12 Duodecimal 7175399
16 Hexadecimal 14516e5
20 Vigesimal 6d32d1
36 Base36 con39

Cryptographic Hash Functions

md5 4cfdd76defa23e0e5a3da9778a8a42f8
sha1 3163717a93e60371cc5107e806fc11bfd240ed67
sha256 a6dede8339cee431f3061ff8da4ae6ead0c1d88caf5a5332149125925700cbc4
sha512 288370633b3e86ec2c8e8f47f08b07c57ead9ace6f152d736815ec7a4481a308ece5946098894c85bf03993af17571b066011823cf93c27286f2a862e9b1ee3b
ripemd-160 079888e159e175813dcbc931a473736522bbf854

21305061 as geometric shapes

Circle

Radius = n
Diameter 42610122
Circumference 133863646.24376
Area 1.4259865744529E+15

Sphere

Radius = n
Volume 4.0507641271867E+22
Surface area 5.7039462978117E+15
Circumference 133863646.24376

Square

Length = n
Perimeter 85220244
Area 453905624213721
Diagonal 30129906.213386

Cube

Length = n
Surface area 2723433745282326
Volume 9.6704870121164E+21
Space diagonal 36901448.110354

Equilateral Triangle

Length = n
Perimeter 63915183
Area 1.9654690074486E+14
Altitude 18450724.055177

Triangular Pyramid

Length = n
Surface area 1.9654690074486E+14
Volume 1.1396778239407E+21
Height 10043302.071129