20449986 (number)

20449986 is an even 8-digits composite number following 20449985 and preceding 20449987. In scientific notation, it is written as 2.0449986 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6816660 positive integers (up to 20449986) that are relatively prime to 20449986.

Interesting facts

Basic properties

Name

Name twenty million four hundred forty-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.0449986 × 10^7
Engineering notation 2.0449986 × 10^6

Prime Factorization of 20449986

Prime Factorization 2 × 3 × 3408331

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20449986
Product of the distinct prime numbers

The prime factorization of 20449986 is 2 × 3 × 3408331. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20449986)

Multiplication

n×y
n×2 40899972
n×3 61349958
n×4 81799944
n×5 102249930

Division

n÷y
n÷2 10224993
n÷3 6816662
n÷3 5112496.5
n÷5 4089997.2

Exponentiation

ny
n2 418201927400196
n3 8.552223560507E+21
n4 1.7489285208124E+29
n5 3.5765563765614E+36

Nth Root

y√n
2√n 4522.1660739075
3√n 273.46243191005
4√n 67.247052529516
5√n 28.982684086088

Divisors of 20449986

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 -20449985
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 20449986 can be divided by 8 positive divisors. The sum of these divisors (counting 20449986) is 1, the average is 0.125.

Base conversion 20449986

Base System Value
2 Binary 1001110000000101011000010
3 Ternary 1102110222002220
4 Quaternary 1032000223002
5 Quinary 20213344421
6 Senary 2010151510
8 Octal 116005302
10 Decimal 20449986
12 Duodecimal 6a22596
16 Hexadecimal 1380ac2
20 Vigesimal 67g4j6
36 Base36 c6bb6

Cryptographic Hash Functions

md5 e4cc588d75c0d88770243383f25bc3b6
sha1 d36700979451a49efa2214787f6f66551415b011
sha256 c912f3ecfb3c189e4df3632e28330ba2bd917f26b772d98ffd01721e8413b2e5
sha512 3bb68aa6d3c870f2c661b799de48f0c0a153ad6f342008f219a74329cdc33b348ed7981837e3ffaafb1ce3c2bb44bd42adf546915bab26ad91cd56babb219d9e
ripemd-160 e0e10ac5716c344b00669e8cdafd8d5e642305a9

20449986 as geometric shapes

Circle

Radius = n
Diameter 40899972
Circumference 128491051.56723
Area 1.3138201028375E+15

Sphere

Radius = n
Volume 3.5823470279395E+22
Surface area 5.2552804113502E+15
Circumference 128491051.56723

Square

Length = n
Perimeter 81799944
Area 418201927400196
Diagonal 28920647.55154

Cube

Length = n
Surface area 2509211564401176
Volume 8.552223560507E+21
Space diagonal 35420414.766072

Equilateral Triangle

Length = n
Perimeter 61349958
Area 1.8108674652009E+14
Altitude 17710207.383036

Triangular Pyramid

Length = n
Surface area 1.8108674652009E+14
Volume 1.0078892123096E+21
Height 9640215.8505133