20045890 (number)

20045890 is an even 8-digits composite number following 20045889 and preceding 20045891. In scientific notation, it is written as 2.0045890 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 7546624 positive integers (up to 20045890) that are relatively prime to 20045890.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand eight hundred ninety

Notation

Scientific notation 2.0045890 × 10^7
Engineering notation 2.0045890 × 10^6

Prime Factorization of 20045890

Prime Factorization 2 × 5 × 17 × 117917

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20045890
Product of the distinct prime numbers

The prime factorization of 20045890 is 2 × 5 × 17 × 117917. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 45, 40, 862, 91, 2680, 9657, 28174, 14614, 187512, 369660, 4298198, 4673818, 31444193, 18231224, 315923600, 939376933, 4509326725, 465975244

Basic calculations (n = 20045890)

Multiplication

n×y
n×2 40091780
n×3 60137670
n×4 80183560
n×5 100229450

Division

n÷y
n÷2 10022945
n÷3 6681963.3333333
n÷3 5011472.5
n÷5 4009178

Exponentiation

ny
n2 401837705892100
n3 8.0551944501654E+21
n4 1.6147354187663E+29
n5 3.2368808583692E+36

Nth Root

y√n
2√n 4477.2636732719
3√n 271.64921078367
4√n 66.912358150583
5√n 28.867227081903

Divisors of 20045890

1, 2, 5, 10, 17, 34, 85, 170, 117917, 235834, 589585, 1179170, 2004589, 4009178, 10022945, 20045890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20045889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20045890 can be divided by 16 positive divisors. The sum of these divisors (counting 20045890) is 1, the average is 0.0625.

Base conversion 20045890

Base System Value
2 Binary 1001100011110000001000010
3 Ternary 1101201102210101
4 Quaternary 1030132001002
5 Quinary 20112432030
6 Senary 1553353014
8 Octal 114360102
10 Decimal 20045890
12 Duodecimal 686876a
16 Hexadecimal 131e042
20 Vigesimal 655eea
36 Base36 bxnia

Cryptographic Hash Functions

md5 9451e1ff09c99d3313b55d5884711bc3
sha1 75091a7e175e8a4bdcdff78d78db00d23162fcea
sha256 ac8db38ef9ad3ce2d85d05b35efd4ec1e1940638ea4bd68f90c7c590cbaf57c9
sha512 978ca34369f899380d2f142bc3d45f57076dd804477ab858600c42c03c35b6980df120e018d12ebd2b1e19f89cc789feceb7bfd60c330e415668a0e765e461ab
ripemd-160 707da863fc878f06b4b1d2b247094c14cabf06d2

20045890 as geometric shapes

Circle

Radius = n
Diameter 40091780
Circumference 125952041.51734
Area 1.262410384766E+15

Sphere

Radius = n
Volume 3.3741519610502E+22
Surface area 5.049641539064E+15
Circumference 125952041.51734

Square

Length = n
Perimeter 80183560
Area 401837705892100
Diagonal 28349169.507839

Cube

Length = n
Surface area 2411026235352600
Volume 8.0551944501654E+21
Space diagonal 34720499.962937

Equilateral Triangle

Length = n
Perimeter 60137670
Area 1.7400083075051E+14
Altitude 17360249.981468

Triangular Pyramid

Length = n
Surface area 1.7400083075051E+14
Volume 9.493137699147E+20
Height 9449723.1692797