20505551 (number)

20505551 is an odd 8-digits composite number following 20505550 and preceding 20505552. In scientific notation, it is written as 2.0505551 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18362520 positive integers (up to 20505551) that are relatively prime to 20505551.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0505551 × 10^7
Engineering notation 2.0505551 × 10^6

Prime Factorization of 20505551

Prime Factorization 11 × 67 × 27823

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20505551
Product of the distinct prime numbers

The prime factorization of 20505551 is 11 × 67 × 27823. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20505551)

Multiplication

n×y
n×2 41011102
n×3 61516653
n×4 82022204
n×5 102527755

Division

n÷y
n÷2 10252775.5
n÷3 6835183.6666667
n÷3 5126387.75
n÷5 4101110.2

Exponentiation

ny
n2 420477621813601
n3 8.6221253184575E+21
n4 1.7680143044602E+29
n5 3.6254107488838E+36

Nth Root

y√n
2√n 4528.3055329781
3√n 273.70988437976
4√n 67.292685583042
5√n 28.99841686367

Divisors of 20505551

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 -20505550
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 20505551 can be divided by 8 positive divisors. The sum of these divisors (counting 20505551) is 1, the average is 0.125.

Base conversion 20505551

Base System Value
2 Binary 1001110001110001111001111
3 Ternary 1102120210022212
4 Quaternary 1032032033033
5 Quinary 20222134201
6 Senary 2011301035
8 Octal 116161717
10 Decimal 20505551
12 Duodecimal 6a4a77b
16 Hexadecimal 138e3cf
20 Vigesimal 6833hb
36 Base36 c7i6n

Cryptographic Hash Functions

md5 1106b6f1cf85b720dfd1dc004d603975
sha1 42b341de761d4dc5f5ea7a24f514408b68689eeb
sha256 2133d30d39a04d163702e09ce4470bc79cae6e40f2b83b21a7a05a2ea0b7b936
sha512 82ab19f437c11254a266fe80c8b2b926297fc3f9f1ea0df56681819f04a47a88d578fbcdafa8a1924177ae526501a8463824406f9368dc20a5a364c3ab84e274
ripemd-160 14edf7364e2f1162b5d26022320476123e50b11e

20505551 as geometric shapes

Circle

Radius = n
Diameter 41011102
Circumference 128840176.75882
Area 1.3209694076885E+15

Sphere

Radius = n
Volume 3.6116274078396E+22
Surface area 5.2838776307541E+15
Circumference 128840176.75882

Square

Length = n
Perimeter 82022204
Area 420477621813601
Diagonal 28999228.328133

Cube

Length = n
Surface area 2522865730881606
Volume 8.6221253184575E+21
Space diagonal 35516656.169195

Equilateral Triangle

Length = n
Perimeter 61516653
Area 1.8207215110672E+14
Altitude 17758328.084597

Triangular Pyramid

Length = n
Surface area 1.8207215110672E+14
Volume 1.0161272134869E+21
Height 9666409.4427111