21305005 (number)

21305005 is an odd 8-digits composite number following 21305004 and preceding 21305006. In scientific notation, it is written as 2.1305005 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 16999488 positive integers (up to 21305005) that are relatively prime to 21305005.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred five thousand five

Notation

Scientific notation 2.1305005 × 10^7
Engineering notation 2.1305005 × 10^6

Prime Factorization of 21305005

Prime Factorization 5 × 397 × 10733

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21305005
Product of the distinct prime numbers

The prime factorization of 21305005 is 5 × 397 × 10733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21305005)

Multiplication

n×y
n×2 42610010
n×3 63915015
n×4 85220020
n×5 106525025

Division

n÷y
n÷2 10652502.5
n÷3 7101668.3333333
n÷3 5326251.25
n÷5 4261001

Exponentiation

ny
n2 453903238050025
n3 9.670410756172E+21
n4 2.060281495123E+29
n5 4.3894307555002E+36

Nth Root

y√n
2√n 4615.7345027633
3√n 277.22169430425
4√n 67.939197101256
5√n 29.221084362574

Divisors of 21305005

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 -21305004
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 21305005 can be divided by 8 positive divisors. The sum of these divisors (counting 21305005) is 1, the average is 0.125.

Base conversion 21305005

Base System Value
2 Binary 1010001010001011010101101
3 Ternary 1111002101222021
4 Quaternary 1101101122231
5 Quinary 20423230010
6 Senary 2040350141
8 Octal 121213255
10 Decimal 21305005
12 Duodecimal 7175351
16 Hexadecimal 14516ad
20 Vigesimal 6d32a5
36 Base36 con1p

Cryptographic Hash Functions

md5 8ca4f5723251c4b2ba1d3f38efcac19a
sha1 c3edbf741f2786eae2b2004c2b888b9fae0ae38c
sha256 c442376f205653faaa953b765c8af21de5ff6a49f45f7cb1af624302c045ae79
sha512 0bcff5cb9e4843f942a70ede6cc72f123e1154755d7e12d98769cb4a6b58ab4bdfe29a5289a606efa90c03ae6896760692cf52acd74d151e9af327d376a30109
ripemd-160 0c9a1c4935779a51ad35200447247c34f1c52911

21305005 as geometric shapes

Circle

Radius = n
Diameter 42610010
Circumference 133863294.38539
Area 1.4259790780986E+15

Sphere

Radius = n
Volume 4.0507321851714E+22
Surface area 5.7039163123943E+15
Circumference 133863294.38539

Square

Length = n
Perimeter 85220020
Area 453903238050025
Diagonal 30129827.017427

Cube

Length = n
Surface area 2723419428300150
Volume 9.670410756172E+21
Space diagonal 36901351.115509

Equilateral Triangle

Length = n
Perimeter 63915015
Area 1.9654586750567E+14
Altitude 18450675.557754

Triangular Pyramid

Length = n
Surface area 1.9654586750567E+14
Volume 1.1396688370914E+21
Height 10043275.672476