20115918 (number)

20115918 is an even 8-digits composite number following 20115917 and preceding 20115919. In scientific notation, it is written as 2.0115918 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 6658200 positive integers (up to 20115918) that are relatively prime to 20115918.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand nine hundred eighteen

Notation

Scientific notation 2.0115918 × 10^7
Engineering notation 2.0115918 × 10^6

Prime Factorization of 20115918

Prime Factorization 2 × 453 × 3 × 3 × 2467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6705306
Product of the distinct prime numbers

The prime factorization of 20115918 is 2 × 453 × 3 × 3 × 2467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 75, 51, 176, 238, 9659, 4122, 22806, 51350, 818665, 486501, 5798619, 5756150, 41904141, 47840709, 592896300, 743645411, 2277808723, 2651611506

Basic calculations (n = 20115918)

Multiplication

n×y
n×2 40231836
n×3 60347754
n×4 80463672
n×5 100579590

Division

n÷y
n÷2 10057959
n÷3 6705306
n÷3 5028979.5
n÷5 4023183.6

Exponentiation

ny
n2 404650156982724
n3 8.1399093765516E+21
n4 1.6374174954614E+29
n5 3.2938156070468E+36

Nth Root

y√n
2√n 4485.0772568597
3√n 271.96516818964
4√n 66.970719399299
5√n 28.887367822115

Divisors of 20115918

1, 2, 3, 6, 9, 18, 453, 906, 1359, 2467, 2718, 4077, 4934, 7401, 8154, 14802, 22203, 44406, 1117551, 2235102, 3352653, 6705306, 10057959, 20115918

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 -20115917
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 20115918 can be divided by 24 positive divisors. The sum of these divisors (counting 20115918) is 1, the average is 0.041666666666667.

Base conversion 20115918

Base System Value
2 Binary 1001100101111000111001110
3 Ternary 1101211222212000
4 Quaternary 1030233013032
5 Quinary 20122202133
6 Senary 1555053130
8 Octal 114570716
10 Decimal 20115918
12 Duodecimal 68a11a6
16 Hexadecimal 132f1ce
20 Vigesimal 65e9fi
36 Base36 bz5ji

Cryptographic Hash Functions

md5 a67ed4bf220b501b2a0f9005dc78a10c
sha1 dbdc44c7d8d824d12c7f7488ad8145265266c3e8
sha256 5ef3ddbdd5c752a591d0ad610e9680e7cd7665a3a9818fe3801b57d161bf3607
sha512 c99b22b59e31fbb338a2c3ffb3c6b3fe68ac4b7eefdb75d1a03798deacc9fe6dfff9405afa4ae08affce7326727dfa76f80c1c04ad1a74adac5871a9b1d5adfa
ripemd-160 8e1bda16149f788c579a4b6e1783f237952c9f15

20115918 as geometric shapes

Circle

Radius = n
Diameter 40231836
Circumference 126392040.41803
Area 1.2712459604509E+15

Sphere

Radius = n
Volume 3.4096372664348E+22
Surface area 5.0849838418035E+15
Circumference 126392040.41803

Square

Length = n
Perimeter 80463672
Area 404650156982724
Diagonal 28448204.055185

Cube

Length = n
Surface area 2427900941896344
Volume 8.1399093765516E+21
Space diagonal 34841792.016889

Equilateral Triangle

Length = n
Perimeter 60347754
Area 1.752186577962E+14
Altitude 17420896.008445

Triangular Pyramid

Length = n
Surface area 1.752186577962E+14
Volume 9.5929751973393E+20
Height 9482734.6850617