20115915 (number)

20115915 is an odd 8-digits composite number following 20115914 and preceding 20115916. In scientific notation, it is written as 2.0115915 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 10175616 positive integers (up to 20115915) that are relatively prime to 20115915.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifteen thousand nine hundred fifteen

Notation

Scientific notation 2.0115915 × 10^7
Engineering notation 2.0115915 × 10^6

Prime Factorization of 20115915

Prime Factorization 3 × 23 × 5 × 199 × 293

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20115915
Product of the distinct prime numbers

The prime factorization of 20115915 is 3 × 23 × 5 × 199 × 293. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 48, 69, 783, 222, 8326, 9228, 61052, 92335, 253634, 110609, 3071796, 4425750, 64990601, 93020545, 687218090, 816101903, 3827588952, 8694605770

Basic calculations (n = 20115915)

Multiplication

n×y
n×2 40231830
n×3 60347745
n×4 80463660
n×5 100579575

Division

n÷y
n÷2 10057957.5
n÷3 6705305
n÷3 5028978.75
n÷5 4023183

Exponentiation

ny
n2 404650036287225
n3 8.1399057347007E+21
n4 1.6374165186725E+29
n5 3.2938131509212E+36

Nth Root

y√n
2√n 4485.0769224173
3√n 271.96515466974
4√n 66.970716902369
5√n 28.887366960487

Divisors of 20115915

1, 3, 5, 15, 23, 69, 115, 199, 293, 345, 597, 879, 995, 1465, 2985, 4395, 4577, 6739, 13731, 20217, 22885, 33695, 58307, 68655, 101085, 174921, 291535, 874605, 1341061, 4023183, 6705305, 20115915

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20115914
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20115915 can be divided by 32 positive divisors. The sum of these divisors (counting 20115915) is 1, the average is 0.03125.

Base conversion 20115915

Base System Value
2 Binary 1001100101111000111001011
3 Ternary 1101211222211220
4 Quaternary 1030233013023
5 Quinary 20122202130
6 Senary 1555053123
8 Octal 114570713
10 Decimal 20115915
12 Duodecimal 68a11a3
16 Hexadecimal 132f1cb
20 Vigesimal 65e9ff
36 Base36 bz5jf

Cryptographic Hash Functions

md5 5040ce618efc9f9f4f7d63c592b19e6c
sha1 c52c8a2eb4e9ef66347b731d0902a51bcc8e5684
sha256 d1b5dc8968f651d11b163d6f3f0d2a0afcd410122fa48b0faf411ab41be948cd
sha512 bacb403bda7a956793b0eaeaa9081aa9eb3e5824ab0178a79d413d07b758dd8ad7f2369dd9333e5f283d7e1952c5b0997fb16dfbf25365a543560684916d2c0f
ripemd-160 e9f14f2cf1b1f2d5ca065cf212a3561cdbd7c0c5

20115915 as geometric shapes

Circle

Radius = n
Diameter 40231830
Circumference 126392021.56847
Area 1.2712455812748E+15

Sphere

Radius = n
Volume 3.4096357409399E+22
Surface area 5.0849823250992E+15
Circumference 126392021.56847

Square

Length = n
Perimeter 80463660
Area 404650036287225
Diagonal 28448199.812544

Cube

Length = n
Surface area 2427900217723350
Volume 8.1399057347007E+21
Space diagonal 34841786.820737

Equilateral Triangle

Length = n
Perimeter 60347745
Area 1.7521860553352E+14
Altitude 17420893.410368

Triangular Pyramid

Length = n
Surface area 1.7521860553352E+14
Volume 9.5929709053769E+20
Height 9482733.2708481