20115909 (number)

20115909 is an odd 8-digits composite number following 20115908 and preceding 20115910. In scientific notation, it is written as 2.0115909 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 11988000 positive integers (up to 20115909) that are relatively prime to 20115909.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand nine hundred nine

Notation

Scientific notation 2.0115909 × 10^7
Engineering notation 2.0115909 × 10^6

Prime Factorization of 20115909

Prime Factorization 11 × 3 × 3 × 61 × 3331

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6705303
Product of the distinct prime numbers

The prime factorization of 20115909 is 11 × 3 × 3 × 61 × 3331. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115909)

Multiplication

n×y
n×2 40231818
n×3 60347727
n×4 80463636
n×5 100579545

Division

n÷y
n÷2 10057954.5
n÷3 6705303
n÷3 5028977.25
n÷5 4023181.8

Exponentiation

ny
n2 404649794896281
n3 8.1398984510023E+21
n4 1.637414565096E+29
n5 3.2938082386746E+36

Nth Root

y√n
2√n 4485.0762535324
3√n 271.96512762993
4√n 66.970711908508
5√n 28.887365237233

Divisors of 20115909

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115909 can be divided by 24 positive divisors. The sum of these divisors (counting 20115909) is 1, the average is 0.041666666666667.

Base conversion 20115909

Base System Value
2 Binary 1001100101111000111000101
3 Ternary 1101211222211200
4 Quaternary 1030233013011
5 Quinary 20122202114
6 Senary 1555053113
8 Octal 114570705
10 Decimal 20115909
12 Duodecimal 68a1199
16 Hexadecimal 132f1c5
20 Vigesimal 65e9f9
36 Base36 bz5j9

Cryptographic Hash Functions

md5 d9d3cdbaa5c075edb216566cc197eab7
sha1 76e565edfada420c35f95efacbe1c78c2e961829
sha256 92b33a982cfb00c6abfdc13ebb0e7d99767c9b5047c62b6d965d24a0627837b5
sha512 5b4cfdd9220927c64d54a03374c085cd8023e11b941997bbd731cbc72757e094c73e17eb7bc38e0c092f6046b028e88bb3f7c4f910153b5862a6d99e0f92f4d5
ripemd-160 9bce8689d4ed14298fc52a85fd268c5d2f813be0

20115909 as geometric shapes

Circle

Radius = n
Diameter 40231818
Circumference 126391983.86936
Area 1.2712448229228E+15

Sphere

Radius = n
Volume 3.4096326899514E+22
Surface area 5.0849792916911E+15
Circumference 126391983.86936

Square

Length = n
Perimeter 80463636
Area 404649794896281
Diagonal 28448191.327263

Cube

Length = n
Surface area 2427898769377686
Volume 8.1398984510023E+21
Space diagonal 34841776.428432

Equilateral Triangle

Length = n
Perimeter 60347727
Area 1.7521850100817E+14
Altitude 17420888.214216

Triangular Pyramid

Length = n
Surface area 1.7521850100817E+14
Volume 9.5929623214559E+20
Height 9482730.442421