20122978 (number)

20122978 is an even 8-digits composite number following 20122977 and preceding 20122979. In scientific notation, it is written as 2.0122978 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10061488 positive integers (up to 20122978) that are relatively prime to 20122978.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-two thousand nine hundred seventy-eight

Notation

Scientific notation 2.0122978 × 10^7
Engineering notation 2.0122978 × 10^6

Prime Factorization of 20122978

Prime Factorization 2 × 10061489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20122978
Product of the distinct prime numbers

The prime factorization of 20122978 is 2 × 10061489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20122978)

Multiplication

n×y
n×2 40245956
n×3 60368934
n×4 80491912
n×5 100614890

Division

n÷y
n÷2 10061489
n÷3 6707659.3333333
n÷3 5030744.5
n÷5 4024595.6

Exponentiation

ny
n2 404934243588484
n3 8.1484828751777E+21
n4 1.6397174163058E+29
n5 3.2995997494538E+36

Nth Root

y√n
2√n 4485.8642422615
3√n 271.99698129579
4√n 66.976594734739
5√n 28.88939523336

Divisors of 20122978

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 -20122977
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 20122978 can be divided by 4 positive divisors. The sum of these divisors (counting 20122978) is 1, the average is 0.25.

Base conversion 20122978

Base System Value
2 Binary 1001100110000110101100010
3 Ternary 1101212100112111
4 Quaternary 1030300311202
5 Quinary 20122413403
6 Senary 1555145534
8 Octal 114606542
10 Decimal 20122978
12 Duodecimal 68a52aa
16 Hexadecimal 1330d62
20 Vigesimal 65f78i
36 Base36 bzazm

Cryptographic Hash Functions

md5 7f4431bb60405d78c0f9e92cd1631e7d
sha1 5240aeb29d87558568a8475e86f11a0ba98b85d9
sha256 27e820f7511f6c7fc7ffdf7f3af078a2e42f34e0ff927a3e375d7aac5397cd45
sha512 131df7a03b347b4ea14ce2fb9e41e58ecd6d710da68e71f1c613461a3684afc40f2d3d21dfed9336df0669da5606034a70d3fe6ec555dae1011018e2a8e439b5
ripemd-160 1e365f002599626293002fd5adcc528bc81a5e2b

20122978 as geometric shapes

Circle

Radius = n
Diameter 40245956
Circumference 126436399.7063
Area 1.2721384448445E+15

Sphere

Radius = n
Volume 3.4132285251414E+22
Surface area 5.0885537793781E+15
Circumference 126436399.7063

Square

Length = n
Perimeter 80491912
Area 404934243588484
Diagonal 28458188.402935

Cube

Length = n
Surface area 2429605461530904
Volume 8.1484828751777E+21
Space diagonal 34854020.295591

Equilateral Triangle

Length = n
Perimeter 60368934
Area 1.7534167090493E+14
Altitude 17427010.147795

Triangular Pyramid

Length = n
Surface area 1.7534167090493E+14
Volume 9.6030791623677E+20
Height 9486062.8009785