20130645 (number)

20130645 is an odd 8-digits composite number following 20130644 and preceding 20130646. In scientific notation, it is written as 2.0130645 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 10663104 positive integers (up to 20130645) that are relatively prime to 20130645.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand six hundred forty-five

Notation

Scientific notation 2.0130645 × 10^7
Engineering notation 2.0130645 × 10^6

Prime Factorization of 20130645

Prime Factorization 15 × 149 × 9007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20130645
Product of the distinct prime numbers

The prime factorization of 20130645 is 15 × 149 × 9007. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 73, 91, 684, 548, 2148, 2062, 22104, 28204, 940957, 722087, 4399350, 3382785, 51474918, 31302116, 127744908, 308567285, 2274531476, 9497044571

Basic calculations (n = 20130645)

Multiplication

n×y
n×2 40261290
n×3 60391935
n×4 80522580
n×5 100653225

Division

n÷y
n÷2 10065322.5
n÷3 6710215
n÷3 5032661.25
n÷5 4026129

Exponentiation

ny
n2 405242868116025
n3 8.1578003168255E+21
n4 1.642217821589E+29
n5 3.3058903979082E+36

Nth Root

y√n
2√n 4486.7187342199
3√n 272.03152118117
4√n 66.982973465052
5√n 28.891596311595

Divisors of 20130645

1, 15, 149, 2235, 9007, 135105, 1342043, 20130645

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 -20130644
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 20130645 can be divided by 8 positive divisors. The sum of these divisors (counting 20130645) is 1, the average is 0.125.

Base conversion 20130645

Base System Value
2 Binary 1001100110010101101010101
3 Ternary 1101212202001110
4 Quaternary 1030302231111
5 Quinary 20123140040
6 Senary 1555245233
8 Octal 114625525
10 Decimal 20130645
12 Duodecimal 68a9819
16 Hexadecimal 1332b55
20 Vigesimal 65g6c5
36 Base36 bzgwl

Cryptographic Hash Functions

md5 f02f5f37d0ed465f403229dd8d204786
sha1 64a66e5449b326ee23f766b2a272efbd2b26c57b
sha256 328f45dc9d709e6fec55a8a60c17499008370c4a171d2452061e1474812eef39
sha512 65b38a6e22f9b7e89266d874d3e4af3d559f6ffec52c617bd42c4964421984b3a55a7d6209457078784937d2e9070073444e44b15c429377f9dba982662b7ee3
ripemd-160 f1bdcf6e7f7ec54c720d50f7cec6e44d0a3e99b2

20130645 as geometric shapes

Circle

Radius = n
Diameter 40261290
Circumference 126484572.88805
Area 1.273108017393E+15

Sphere

Radius = n
Volume 3.4171314059722E+22
Surface area 5.0924320695718E+15
Circumference 126484572.88805

Square

Length = n
Perimeter 80522580
Area 405242868116025
Diagonal 28469031.178318

Cube

Length = n
Surface area 2431457208696150
Volume 8.1578003168255E+21
Space diagonal 34867299.929132

Equilateral Triangle

Length = n
Perimeter 60391935
Area 1.7547530924547E+14
Altitude 17433649.964566

Triangular Pyramid

Length = n
Surface area 1.7547530924547E+14
Volume 9.6140598726552E+20
Height 9489677.0594394