20155842 (number)

20155842 is an even 8-digits composite number following 20155841 and preceding 20155843. In scientific notation, it is written as 2.0155842 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5729760 positive integers (up to 20155842) that are relatively prime to 20155842.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand eight hundred forty-two

Notation

Scientific notation 2.0155842 × 10^7
Engineering notation 2.0155842 × 10^6

Prime Factorization of 20155842

Prime Factorization 2 × 21 × 3 × 347 × 461

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20155842
Product of the distinct prime numbers

The prime factorization of 20155842 is 2 × 21 × 3 × 347 × 461. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 61, 33, 448, 171, 3532, 9036, 5094, 96341, 756013, 339196, 4706704, 8461560, 89793295, 15964366, 380273247, 119058663, 2557951146, 8075974148

Basic calculations (n = 20155842)

Multiplication

n×y
n×2 40311684
n×3 60467526
n×4 80623368
n×5 100779210

Division

n÷y
n÷2 10077921
n÷3 6718614
n÷3 5038960.5
n÷5 4031168.4

Exponentiation

ny
n2 406257966728964
n3 8.1884713886303E+21
n4 1.6504553553075E+29
n5 3.3266317369632E+36

Nth Root

y√n
2√n 4489.5258101497
3√n 272.14497209827
4√n 67.003923841441
5√n 28.898825263748

Divisors of 20155842

1, 2, 3, 6, 21, 42, 63, 126, 347, 461, 694, 922, 1041, 1383, 2082, 2766, 7287, 9681, 14574, 19362, 21861, 29043, 43722, 58086, 159967, 319934, 479901, 959802, 3359307, 6718614, 10077921, 20155842

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 -20155841
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 20155842 can be divided by 32 positive divisors. The sum of these divisors (counting 20155842) is 1, the average is 0.03125.

Base conversion 20155842

Base System Value
2 Binary 1001100111000110111000010
3 Ternary 1101221000121200
4 Quaternary 1030320313002
5 Quinary 20124441332
6 Senary 2000002030
8 Octal 114706702
10 Decimal 20155842
12 Duodecimal 6900316
16 Hexadecimal 1338dc2
20 Vigesimal 65j9c2
36 Base36 c00ci

Cryptographic Hash Functions

md5 a9d5eda4085b03280c767f662d214996
sha1 fc88957be2daa389cad0a77d1f2b75ca9855bf57
sha256 8c8efb4617f9dc16896853714c1e7c4475d1856e0245ff1a815cab4876924a7a
sha512 09446888d378953bc387548c525e2e44981c8e73e69dc41163a072394ac62abf90d48b213f671de20bbdfbcb7e14c3901b3bb9ef6f154df1e1fce293e630980c
ripemd-160 18ea8621b0fa3e8498e645ba65951d05563df5e2

20155842 as geometric shapes

Circle

Radius = n
Diameter 40311684
Circumference 126642890.30823
Area 1.276297043738E+15

Sphere

Radius = n
Volume 3.4299788744868E+22
Surface area 5.1051881749522E+15
Circumference 126642890.30823

Square

Length = n
Perimeter 80623368
Area 406257966728964
Diagonal 28504665.117449

Cube

Length = n
Surface area 2437547800373784
Volume 8.1884713886303E+21
Space diagonal 34910942.413331

Equilateral Triangle

Length = n
Perimeter 60467526
Area 1.7591485983855E+14
Altitude 17455471.206665

Triangular Pyramid

Length = n
Surface area 1.7591485983855E+14
Volume 9.6502060774208E+20
Height 9501555.0391498