20408978 (number)

20408978 is an even 8-digits composite number following 20408977 and preceding 20408979. In scientific notation, it is written as 2.0408978 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9870336 positive integers (up to 20408978) that are relatively prime to 20408978.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand nine hundred seventy-eight

Notation

Scientific notation 2.0408978 × 10^7
Engineering notation 2.0408978 × 10^6

Prime Factorization of 20408978

Prime Factorization 2 × 37 × 193 × 1429

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20408978
Product of the distinct prime numbers

The prime factorization of 20408978 is 2 × 37 × 193 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 97, 66, 193, 907, 7964, 2548, 52658, 65581, 777660, 211957, 7815169, 7195491, 61915881, 46872246, 980159195, 182839923, 6792550509, 2361147380

Basic calculations (n = 20408978)

Multiplication

n×y
n×2 40817956
n×3 61226934
n×4 81635912
n×5 102044890

Division

n÷y
n÷2 10204489
n÷3 6802992.6666667
n÷3 5102244.5
n÷5 4081795.6

Exponentiation

ny
n2 416526383004484
n3 8.5008777871581E+21
n4 1.734942277388E+29
n5 3.5408398770481E+36

Nth Root

y√n
2√n 4517.6296882325
3√n 273.27951977808
4√n 67.213314813603
5√n 28.971051057229

Divisors of 20408978

1, 2, 37, 74, 193, 386, 1429, 2858, 7141, 14282, 52873, 105746, 275797, 551594, 10204489, 20408978

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20408977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20408978 can be divided by 16 positive divisors. The sum of these divisors (counting 20408978) is 1, the average is 0.0625.

Base conversion 20408978

Base System Value
2 Binary 1001101110110101010010010
3 Ternary 1102101212212002
4 Quaternary 1031312222102
5 Quinary 20211041403
6 Senary 2005234002
8 Octal 115665222
10 Decimal 20408978
12 Duodecimal 6a02902
16 Hexadecimal 1376a92
20 Vigesimal 67b28i
36 Base36 c5fo2

Cryptographic Hash Functions

md5 73d6f9d14db9b7fe8d1f6b036e92b1fe
sha1 43c52b8c64ceba90a45f26c93a97b9690afe26ee
sha256 2edc0841d5d790c99918f2e6720b36108e09cdcb1b00bf0f1200f00a3123b8d7
sha512 fb9c81720fde74e8e51bdc246198b419742dae4e08399f0344d6575c3315b267e8c86e42e38be8599c537aff51b451d534ff0f3651425f04de4e35ec8dd81186
ripemd-160 2f0a4da7ae96e2c2748dce48bf1ebccec265a333

20408978 as geometric shapes

Circle

Radius = n
Diameter 40817956
Circumference 128233390.70415
Area 1.3085562248732E+15

Sphere

Radius = n
Volume 3.5608393606934E+22
Surface area 5.2342248994929E+15
Circumference 128233390.70415

Square

Length = n
Perimeter 81635912
Area 416526383004484
Diagonal 28862653.481774

Cube

Length = n
Surface area 2499158298026904
Volume 8.5008777871581E+21
Space diagonal 35349386.826555

Equilateral Triangle

Length = n
Perimeter 61226934
Area 1.8036121451416E+14
Altitude 17674693.413278

Triangular Pyramid

Length = n
Surface area 1.8036121451416E+14
Volume 1.0018380548896E+21
Height 9620884.4939247