20115949 (number)

20115949 is an odd 8-digits composite number following 20115948 and preceding 20115950. In scientific notation, it is written as 2.0115949 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17242236 positive integers (up to 20115949) that are relatively prime to 20115949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0115949 × 10^7
Engineering notation 2.0115949 × 10^6

Prime Factorization of 20115949

Prime Factorization 7 × 2873707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20115949
Product of the distinct prime numbers

The prime factorization of 20115949 is 7 × 2873707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20115949)

Multiplication

n×y
n×2 40231898
n×3 60347847
n×4 80463796
n×5 100579745

Division

n÷y
n÷2 10057974.5
n÷3 6705316.3333333
n÷3 5028987.25
n÷5 4023189.8

Exponentiation

ny
n2 404651404170601
n3 8.1399470090742E+21
n4 1.6374275889724E+29
n5 3.2938409870962E+36

Nth Root

y√n
2√n 4485.0807127631
3√n 271.96530789518
4√n 66.970745200895
5√n 28.88737672559

Divisors of 20115949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115949 can be divided by 4 positive divisors. The sum of these divisors (counting 20115949) is 1, the average is 0.25.

Base conversion 20115949

Base System Value
2 Binary 1001100101111000111101101
3 Ternary 1101211222220011
4 Quaternary 1030233013231
5 Quinary 20122202244
6 Senary 1555053221
8 Octal 114570755
10 Decimal 20115949
12 Duodecimal 68a1211
16 Hexadecimal 132f1ed
20 Vigesimal 65e9h9
36 Base36 bz5kd

Cryptographic Hash Functions

md5 716bfe5594b2379e2f4e3d62e28a7903
sha1 9db2592894094dd2bc05532dc1a4a57fa99f59ee
sha256 259d3c3023e11e2b8b672dfb07dbdf9dfe52efa0acbb5841b573e551253bbf79
sha512 baa00fc08a29b09546273089c7b2bb7d705bb400ccc39ab6499b1d33c6cc26e7d75c95eb60b470acfdd53e9795f6bad4214c74c6b050a9f027a24610686c539f
ripemd-160 05c0a5a4cc1521c5572fe640556708a2ccd11f43

20115949 as geometric shapes

Circle

Radius = n
Diameter 40231898
Circumference 126392235.19677
Area 1.2712498786072E+15

Sphere

Radius = n
Volume 3.409653029909E+22
Surface area 5.0849995144286E+15
Circumference 126392235.19677

Square

Length = n
Perimeter 80463796
Area 404651404170601
Diagonal 28448247.895806

Cube

Length = n
Surface area 2427908425023606
Volume 8.1399470090742E+21
Space diagonal 34841845.710464

Equilateral Triangle

Length = n
Perimeter 60347847
Area 1.7521919784439E+14
Altitude 17420922.855232

Triangular Pyramid

Length = n
Surface area 1.7521919784439E+14
Volume 9.5930195476925E+20
Height 9482749.2986018