20455581 (number)

20455581 is an odd 8-digits composite number following 20455580 and preceding 20455582. In scientific notation, it is written as 2.0455581 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13637052 positive integers (up to 20455581) that are relatively prime to 20455581.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand five hundred eighty-one

Notation

Scientific notation 2.0455581 × 10^7
Engineering notation 2.0455581 × 10^6

Prime Factorization of 20455581

Prime Factorization 3 × 6818527

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20455581
Product of the distinct prime numbers

The prime factorization of 20455581 is 3 × 6818527. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455581)

Multiplication

n×y
n×2 40911162
n×3 61366743
n×4 81822324
n×5 102277905

Division

n÷y
n÷2 10227790.5
n÷3 6818527
n÷3 5113895.25
n÷5 4091116.2

Exponentiation

ny
n2 418430794047561
n3 8.5592450005342E+21
n4 1.7508432940727E+29
n5 3.5814516820211E+36

Nth Root

y√n
2√n 4522.784651075
3√n 273.48736889196
4√n 67.251651660573
5√n 28.984269812104

Divisors of 20455581

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 -20455580
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 20455581 can be divided by 4 positive divisors. The sum of these divisors (counting 20455581) is 1, the average is 0.25.

Base conversion 20455581

Base System Value
2 Binary 1001110000010000010011101
3 Ternary 1102111020210010
4 Quaternary 1032002002131
5 Quinary 20214034311
6 Senary 2010233433
8 Octal 116020235
10 Decimal 20455581
12 Duodecimal 6a25879
16 Hexadecimal 138209d
20 Vigesimal 67gij1
36 Base36 c6fml

Cryptographic Hash Functions

md5 e41bb50a54f8286857203c05bfd1d8ab
sha1 8e7438fea7419fb6ccf21d31e68ade6acd9423fd
sha256 66a7b7b151d2497b27b6aec4c01fe0fec0d80636033ef8c9d25b4ec76bca5a35
sha512 2a5a6b849c0732057636751f965c9373b7db039ccd20f8f69bf9e2058e888cd2052df6ef19948eef66b28dd326889036e0854430adc3b5fb5f2caf811d928d03
ripemd-160 b8c791b8803c66b9f064a4d8780a140f002db226

20455581 as geometric shapes

Circle

Radius = n
Diameter 40911162
Circumference 128526205.98902
Area 1.3145391086156E+15

Sphere

Radius = n
Volume 3.5852881618605E+22
Surface area 5.2581564344622E+15
Circumference 128526205.98902

Square

Length = n
Perimeter 81822324
Area 418430794047561
Diagonal 28928560.076421

Cube

Length = n
Surface area 2510584764285366
Volume 8.5592450005342E+21
Space diagonal 35430105.590341

Equilateral Triangle

Length = n
Perimeter 61366743
Area 1.8118584868544E+14
Altitude 17715052.79517

Triangular Pyramid

Length = n
Surface area 1.8118584868544E+14
Volume 1.0087166969525E+21
Height 9642853.3588071