20130915 (number)

20130915 is an odd 8-digits composite number following 20130914 and preceding 20130916. In scientific notation, it is written as 2.0130915 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 9031680 positive integers (up to 20130915) that are relatively prime to 20130915.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty thousand nine hundred fifteen

Notation

Scientific notation 2.0130915 × 10^7
Engineering notation 2.0130915 × 10^6

Prime Factorization of 20130915

Prime Factorization 105 × 61 × 7 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20130915
Product of the distinct prime numbers

The prime factorization of 20130915 is 105 × 61 × 7 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 22, 42, 194, 646, 8653, 1468, 99336, 64018, 308423, 867282, 605507, 5774133, 65523079, 44249163, 147721542, 854223999, 3483867379, 7505169614

Basic calculations (n = 20130915)

Multiplication

n×y
n×2 40261830
n×3 60392745
n×4 80523660
n×5 100654575

Division

n÷y
n÷2 10065457.5
n÷3 6710305
n÷3 5032728.75
n÷5 4026183

Exponentiation

ny
n2 405253738737225
n3 8.1581285679513E+21
n4 1.642305927605E+29
n5 3.3061121032612E+36

Nth Root

y√n
2√n 4486.7488229229
3√n 272.03273737307
4√n 66.983198064312
5√n 28.891673812233

Divisors of 20130915

1, 7, 61, 105, 427, 449, 735, 3143, 6405, 27389, 44835, 47145, 191723, 330015, 2875845, 20130915

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20130914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20130915 can be divided by 16 positive divisors. The sum of these divisors (counting 20130915) is 1, the average is 0.0625.

Base conversion 20130915

Base System Value
2 Binary 1001100110010110001100011
3 Ternary 1101212202102110
4 Quaternary 1030302301203
5 Quinary 20123142130
6 Senary 1555250403
8 Octal 114626143
10 Decimal 20130915
12 Duodecimal 68a9a03
16 Hexadecimal 1332c63
20 Vigesimal 65g75f
36 Base36 bzh43

Cryptographic Hash Functions

md5 e449bfc7f2a41a81ceff467f0d22b8ec
sha1 e24a51404cc3dcc239c7941f87e45c8cd29f08ae
sha256 8b64b015124070e7829ed5684da32ba659f428fdbaf608c4b414fdef4d23ec95
sha512 a07536aed4a8bc4ba13113630730120e5656720a31fb2632791662c3411261937910e8cd9ef8377c778c48ffb4ed50c35cdad17d36bd01d225d93c500edc8183
ripemd-160 0ab8c8d40eab9d8391064884e26c44580e24b040

20130915 as geometric shapes

Circle

Radius = n
Diameter 40261830
Circumference 126486269.34808
Area 1.2731421684567E+15

Sphere

Radius = n
Volume 3.4172689034822E+22
Surface area 5.0925686738267E+15
Circumference 126486269.34808

Square

Length = n
Perimeter 80523660
Area 405253738737225
Diagonal 28469413.01598

Cube

Length = n
Surface area 2431522432423350
Volume 8.1581285679513E+21
Space diagonal 34867767.58285

Equilateral Triangle

Length = n
Perimeter 60392745
Area 1.7548001636253E+14
Altitude 17433883.791425

Triangular Pyramid

Length = n
Surface area 1.7548001636253E+14
Volume 9.6144467203168E+20
Height 9489804.33866