20115947 (number)

20115947 is an odd 8-digits composite number following 20115946 and preceding 20115948. In scientific notation, it is written as 2.0115947 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18860800 positive integers (up to 20115947) that are relatively prime to 20115947.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand nine hundred forty-seven

Notation

Scientific notation 2.0115947 × 10^7
Engineering notation 2.0115947 × 10^6

Prime Factorization of 20115947

Prime Factorization 17 × 281 × 4211

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20115947
Product of the distinct prime numbers

The prime factorization of 20115947 is 17 × 281 × 4211. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115947)

Multiplication

n×y
n×2 40231894
n×3 60347841
n×4 80463788
n×5 100579735

Division

n÷y
n÷2 10057973.5
n÷3 6705315.6666667
n÷3 5028986.75
n÷5 4023189.4

Exponentiation

ny
n2 404651323706809
n3 8.139944581166E+21
n4 1.6374269377767E+29
n5 3.2938393496689E+36

Nth Root

y√n
2√n 4485.0804898017
3√n 271.96529888192
4√n 66.970743536276
5√n 28.887376151172

Divisors of 20115947

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 -20115946
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 20115947 can be divided by 8 positive divisors. The sum of these divisors (counting 20115947) is 1, the average is 0.125.

Base conversion 20115947

Base System Value
2 Binary 1001100101111000111101011
3 Ternary 1101211222220002
4 Quaternary 1030233013223
5 Quinary 20122202242
6 Senary 1555053215
8 Octal 114570753
10 Decimal 20115947
12 Duodecimal 68a120b
16 Hexadecimal 132f1eb
20 Vigesimal 65e9h7
36 Base36 bz5kb

Cryptographic Hash Functions

md5 ad3975d454bd353ba39e5f10b1e6a940
sha1 656e51bf77beffeca31c7ceafd830874452ede77
sha256 d6068d65c22f345f9e20cbca6943f2bd4257b98c831c08c62463f0dcfdc92045
sha512 0c5927b3d12183724e6e7f2a27905a184463e783a1f2501869e7e250482a686894bfdff04bdce920badf1daa924ca2164cfd18f1eebfa951c010077c8e79ead1
ripemd-160 4190e4562d86802e33704b94dc0771b97eb67fcc

20115947 as geometric shapes

Circle

Radius = n
Diameter 40231894
Circumference 126392222.6304
Area 1.2712496258227E+15

Sphere

Radius = n
Volume 3.4096520129092E+22
Surface area 5.0849985032908E+15
Circumference 126392222.6304

Square

Length = n
Perimeter 80463788
Area 404651323706809
Diagonal 28448245.067378

Cube

Length = n
Surface area 2427907942240854
Volume 8.139944581166E+21
Space diagonal 34841842.246363

Equilateral Triangle

Length = n
Perimeter 60347841
Area 1.7521916300255E+14
Altitude 17420921.123181

Triangular Pyramid

Length = n
Surface area 1.7521916300255E+14
Volume 9.5930166863753E+20
Height 9482748.3557928