20155979 (number)

20155979 is an odd 8-digits composite number following 20155978 and preceding 20155980. In scientific notation, it is written as 2.0155979 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18986400 positive integers (up to 20155979) that are relatively prime to 20155979.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand nine hundred seventy-nine

Notation

Scientific notation 2.0155979 × 10^7
Engineering notation 2.0155979 × 10^6

Prime Factorization of 20155979

Prime Factorization 19 × 181 × 5861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20155979
Product of the distinct prime numbers

The prime factorization of 20155979 is 19 × 181 × 5861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 1, 34, 35, 788, 2277, 2487, 27575, 34406, 776886, 674581, 5554551, 4420766, 82604195, 56654701, 656662526, 343076765, 9305113603, 6956113264

Basic calculations (n = 20155979)

Multiplication

n×y
n×2 40311958
n×3 60467937
n×4 80623916
n×5 100779895

Division

n÷y
n÷2 10077989.5
n÷3 6718659.6666667
n÷3 5038994.75
n÷5 4031195.8

Exponentiation

ny
n2 406263489448441
n3 8.1886383617895E+21
n4 1.6505002285882E+29
n5 3.326744794692E+36

Nth Root

y√n
2√n 4489.5410678598
3√n 272.14558869
4√n 67.004037698185
5√n 28.898864548917

Divisors of 20155979

1, 19, 181, 3439, 5861, 111359, 1060841, 20155979

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 -20155978
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 20155979 can be divided by 8 positive divisors. The sum of these divisors (counting 20155979) is 1, the average is 0.125.

Base conversion 20155979

Base System Value
2 Binary 1001100111000111001001011
3 Ternary 1101221000210202
4 Quaternary 1030320321023
5 Quinary 20124442404
6 Senary 2000002415
8 Octal 114707113
10 Decimal 20155979
12 Duodecimal 690040b
16 Hexadecimal 1338e4b
20 Vigesimal 65j9ij
36 Base36 c00gb

Cryptographic Hash Functions

md5 bc74d8709caddcd83d778c50d94b796f
sha1 fed8e8c62d425ca71c9c859788ee1b2bf68d9b3e
sha256 f76030043a64411c85496ee2a7ec28f68acff23bf0f757132b3f83922d511d5a
sha512 5a1f9f7f1d6eb40961212593c357e88780eff6efb02cecf125759af86a33c28bb6c8d7d95f2ba976e29c796854ac02bc672397c687fbb1611e05952fd13a8ee3
ripemd-160 f6c973868e91096a52e2d7b0ae71f22965eb82d5

20155979 as geometric shapes

Circle

Radius = n
Diameter 40311958
Circumference 126643751.10462
Area 1.276314393873E+15

Sphere

Radius = n
Volume 3.4300488160402E+22
Surface area 5.1052575754919E+15
Circumference 126643751.10462

Square

Length = n
Perimeter 80623916
Area 406263489448441
Diagonal 28504858.864707

Cube

Length = n
Surface area 2437580936690646
Volume 8.1886383617895E+21
Space diagonal 34911179.704291

Equilateral Triangle

Length = n
Perimeter 60467937
Area 1.7591725124623E+14
Altitude 17455589.852146

Triangular Pyramid

Length = n
Surface area 1.7591725124623E+14
Volume 9.6504028571761E+20
Height 9501619.6215691