20149405 (number)

20149405 is an odd 8-digits composite number following 20149404 and preceding 20149406. In scientific notation, it is written as 2.0149405 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 15271056 positive integers (up to 20149405) that are relatively prime to 20149405.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand four hundred five

Notation

Scientific notation 2.0149405 × 10^7
Engineering notation 2.0149405 × 10^6

Prime Factorization of 20149405

Prime Factorization 5 × 19 × 212099

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149405
Product of the distinct prime numbers

The prime factorization of 20149405 is 5 × 19 × 212099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149405)

Multiplication

n×y
n×2 40298810
n×3 60448215
n×4 80597620
n×5 100747025

Division

n÷y
n÷2 10074702.5
n÷3 6716468.3333333
n÷3 5037351.25
n÷5 4029881

Exponentiation

ny
n2 405998521854025
n3 8.1806286462381E+21
n4 1.6483479974765E+29
n5 3.3213231382094E+36

Nth Root

y√n
2√n 4488.8088620479
3√n 272.11599813787
4√n 66.998573582188
5√n 28.896979193452

Divisors of 20149405

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 -20149404
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 20149405 can be divided by 8 positive divisors. The sum of these divisors (counting 20149405) is 1, the average is 0.125.

Base conversion 20149405

Base System Value
2 Binary 1001100110111010010011101
3 Ternary 1101220200210021
4 Quaternary 1030313102131
5 Quinary 20124240110
6 Senary 1555512141
8 Octal 114672235
10 Decimal 20149405
12 Duodecimal 68b8651
16 Hexadecimal 133749d
20 Vigesimal 65ida5
36 Base36 bzvdp

Cryptographic Hash Functions

md5 ef2b83d402f6a575206a9e9e6c23717e
sha1 b43b9b372c396d63b98ed1bd2a75283b8bb744be
sha256 9074cd07d201f92cedd1cbde9eff3f83b92ce2520b84a55fd50f10d2c26c3fd4
sha512 e8a7ea3ec67cadacd048d95099435c5da27cb385d06a0798655c6095b41918c2a16ea6ad28996d4c1e1cd9300384c10503fa500d498aa41e8bbdd9b7dd46af79
ripemd-160 e93d76c6c4c3fb8aff6f8767c94cca4635eafec5

20149405 as geometric shapes

Circle

Radius = n
Diameter 40298810
Circumference 126602445.44441
Area 1.2754819736249E+15

Sphere

Radius = n
Volume 3.4266937142357E+22
Surface area 5.1019278944997E+15
Circumference 126602445.44441

Square

Length = n
Perimeter 80597620
Area 405998521854025
Diagonal 28495561.824748

Cube

Length = n
Surface area 2435991131124150
Volume 8.1806286462381E+21
Space diagonal 34899793.202282

Equilateral Triangle

Length = n
Perimeter 60448215
Area 1.7580251691226E+14
Altitude 17449896.601141

Triangular Pyramid

Length = n
Surface area 1.7580251691226E+14
Volume 9.6409633168731E+20
Height 9498520.6082494