20493990 (number)

20493990 is an even 8-digits composite number following 20493989 and preceding 20493991. In scientific notation, it is written as 2.0493990 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 4898880 positive integers (up to 20493990) that are relatively prime to 20493990.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-three thousand nine hundred ninety

Notation

Scientific notation 2.0493990 × 10^7
Engineering notation 2.0493990 × 10^6

Prime Factorization of 20493990

Prime Factorization 2 × 3 × 165 × 127 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20493990
Product of the distinct prime numbers

The prime factorization of 20493990 is 2 × 3 × 165 × 127 × 163. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 56, 6, 671, 827, 2824, 8485, 85739, 35352, 118493, 762322, 2675557, 3666347, 28204442, 64267135, 808716868, 549898932, 2886775772, 3736613897

Basic calculations (n = 20493990)

Multiplication

n×y
n×2 40987980
n×3 61481970
n×4 81975960
n×5 102469950

Division

n÷y
n÷2 10246995
n÷3 6831330
n÷3 5123497.5
n÷5 4098798

Exponentiation

ny
n2 420003626120100
n3 8.6075501136691E+21
n4 1.7640304595403E+29
n5 3.6152022597515E+36

Nth Root

y√n
2√n 4527.028826946
3√n 273.65843563064
4√n 67.283198697342
5√n 28.995146272907

Divisors of 20493990

1, 2, 3, 6, 127, 163, 165, 254, 326, 330, 381, 489, 495, 762, 978, 990, 20701, 20955, 26895, 41402, 41910, 53790, 62103, 62865, 80685, 124206, 125730, 161370, 3415665, 6831330, 10246995, 20493990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20493989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20493990 can be divided by 32 positive divisors. The sum of these divisors (counting 20493990) is 1, the average is 0.03125.

Base conversion 20493990

Base System Value
2 Binary 1001110001011011010100110
3 Ternary 1102120012110200
4 Quaternary 1032023122212
5 Quinary 20221301430
6 Senary 2011131330
8 Octal 116133246
10 Decimal 20493990
12 Duodecimal 6a43b46
16 Hexadecimal 138b6a6
20 Vigesimal 681eja
36 Base36 c799i

Cryptographic Hash Functions

md5 2dcd1d1325a985cb4cbe2b2bb38ab3b0
sha1 46f565be666544021fc8f1889eb449da07a1b7bd
sha256 07a08b894df47fb648ff32fd832b24f97dc9e819a565c173e3f98fff9779351e
sha512 f780313bd0ad6f62e02c3f7114638f8801f91b40548e2cec7c50c042c4905f8fd2aa9919ccc26585bc488fb1816f4bd1e07bb7378ddb2f82cb328ec3a8f4982d
ripemd-160 48acbf90ec5b52c640e676f552eccd2872265dcd

20493990 as geometric shapes

Circle

Radius = n
Diameter 40987980
Circumference 128767536.85349
Area 1.3194803063E+15

Sphere

Radius = n
Volume 3.6055221603345E+22
Surface area 5.2779212251999E+15
Circumference 128767536.85349

Square

Length = n
Perimeter 81975960
Area 420003626120100
Diagonal 28982878.605139

Cube

Length = n
Surface area 2520021756720600
Volume 8.6075501136691E+21
Space diagonal 35496631.929808

Equilateral Triangle

Length = n
Perimeter 61481970
Area 1.8186690495079E+14
Altitude 17748315.964904

Triangular Pyramid

Length = n
Surface area 1.8186690495079E+14
Volume 1.0144095091297E+21
Height 9660959.5350462