20454945 (number)

20454945 is an odd 8-digits composite number following 20454944 and preceding 20454946. In scientific notation, it is written as 2.0454945 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 9350784 positive integers (up to 20454945) that are relatively prime to 20454945.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0454945 × 10^7
Engineering notation 2.0454945 × 10^6

Prime Factorization of 20454945

Prime Factorization 3 × 35 × 194809

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20454945
Product of the distinct prime numbers

The prime factorization of 20454945 is 3 × 35 × 194809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20454945)

Multiplication

n×y
n×2 40909890
n×3 61364835
n×4 81819780
n×5 102274725

Division

n÷y
n÷2 10227472.5
n÷3 6818315
n÷3 5113736.25
n÷5 4090989

Exponentiation

ny
n2 418404774953025
n3 8.5584466594015E+21
n4 1.7506255570349E+29
n5 3.5808949484744E+36

Nth Root

y√n
2√n 4522.7143398627
3√n 273.48453446144
4√n 67.251128911437
5√n 28.984089575474

Divisors of 20454945

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 -20454944
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 20454945 can be divided by 8 positive divisors. The sum of these divisors (counting 20454945) is 1, the average is 0.125.

Base conversion 20454945

Base System Value
2 Binary 1001110000001111000100001
3 Ternary 1102111012220120
4 Quaternary 1032001320201
5 Quinary 20214024240
6 Senary 2010230453
8 Octal 116017041
10 Decimal 20454945
12 Duodecimal 6a25429
16 Hexadecimal 1381e21
20 Vigesimal 67gh75
36 Base36 c6f4x

Cryptographic Hash Functions

md5 0f54b058b56678584f340496c4183620
sha1 487914f388983362aa23520c76972b55cd795572
sha256 1bb00f30a538e3edeb52f3e05529da1beee9544d6432d7cc8833e232157945ef
sha512 9116092d16b525093abd57a2e69c7a7de1f6f763d260864e7b28febe49249dc99d06253e3a131e2890aac0e86c4ca814b1fac4c2deeb0f83f1e93b7e26ad89f6
ripemd-160 83d225dfc5cd6f2acfe29d86cd3dce455a88e37e

20454945 as geometric shapes

Circle

Radius = n
Diameter 40909890
Circumference 128522209.88317
Area 1.3144573672193E+15

Sphere

Radius = n
Volume 3.5849537535088E+22
Surface area 5.2578294688773E+15
Circumference 128522209.88317

Square

Length = n
Perimeter 81819780
Area 418404774953025
Diagonal 28927660.636596

Cube

Length = n
Surface area 2510428649718150
Volume 8.5584466594015E+21
Space diagonal 35429004.006027

Equilateral Triangle

Length = n
Perimeter 61364835
Area 1.8117458208702E+14
Altitude 17714502.003013

Triangular Pyramid

Length = n
Surface area 1.8117458208702E+14
Volume 1.0086226115477E+21
Height 9642553.5455319