20045457 (number)

20045457 is an odd 8-digits composite number following 20045456 and preceding 20045458. In scientific notation, it is written as 2.0045457 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 13363632 positive integers (up to 20045457) that are relatively prime to 20045457.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0045457 × 10^7
Engineering notation 2.0045457 × 10^6

Prime Factorization of 20045457

Prime Factorization 9 × 2227273

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20045457
Product of the distinct prime numbers

The prime factorization of 20045457 is 9 × 2227273. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045457)

Multiplication

n×y
n×2 40090914
n×3 60136371
n×4 80181828
n×5 100227285

Division

n÷y
n÷2 10022728.5
n÷3 6681819
n÷3 5011364.25
n÷5 4009091.4

Exponentiation

ny
n2 401820346338849
n3 8.0546724742605E+21
n4 1.6145959073187E+29
n5 3.2365312832534E+36

Nth Root

y√n
2√n 4477.215317583
3√n 271.64725485563
4√n 66.911996813599
5√n 28.867102371877

Divisors of 20045457

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 -20045456
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 20045457 can be divided by 4 positive divisors. The sum of these divisors (counting 20045457) is 1, the average is 0.25.

Base conversion 20045457

Base System Value
2 Binary 1001100011101111010010001
3 Ternary 1101201102012100
4 Quaternary 1030131322101
5 Quinary 20112423312
6 Senary 1553351013
8 Octal 114357221
10 Decimal 20045457
12 Duodecimal 6868469
16 Hexadecimal 131de91
20 Vigesimal 655dch
36 Base36 bxn69

Cryptographic Hash Functions

md5 dd4dee57e8bb286b635549d4f535bf45
sha1 58166b50c8fd78b679cea8f9d4d8e83cb3af3b09
sha256 bf627d262fceb6234a55c87fd6a32aaba56a9d94bf6b7bf5af66fe729d138e30
sha512 8fa4cdea64e23885ccb4c0a2e7b42081736eafcc40c1c1552039530af1952b2e3fa2c80c5664b7374a54d637a29c4e2f2e00df146d90f03b74efdae6f8cc9082
ripemd-160 949cc752987c130f3b352b095637f6db74e9c4d9

20045457 as geometric shapes

Circle

Radius = n
Diameter 40090914
Circumference 125949320.8981
Area 1.262355848121E+15

Sphere

Radius = n
Volume 3.3739333162945E+22
Surface area 5.0494233924841E+15
Circumference 125949320.8981

Square

Length = n
Perimeter 80181828
Area 401820346338849
Diagonal 28348557.153367

Cube

Length = n
Surface area 2410922078033094
Volume 8.0546724742605E+21
Space diagonal 34719749.984937

Equilateral Triangle

Length = n
Perimeter 60136371
Area 1.7399331384345E+14
Altitude 17359874.992469

Triangular Pyramid

Length = n
Surface area 1.7399331384345E+14
Volume 9.4925225446437E+20
Height 9449519.0511222