20861490 (number)

20861490 is an even 8-digits composite number following 20861489 and preceding 20861491. In scientific notation, it is written as 2.0861490 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 5086464 positive integers (up to 20861490) that are relatively prime to 20861490.

Interesting facts

Basic properties

Name

Name twenty million eight hundred sixty-one thousand four hundred ninety

Notation

Scientific notation 2.0861490 × 10^7
Engineering notation 2.0861490 × 10^6

Prime Factorization of 20861490

Prime Factorization 2 × 195 × 149 × 359

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20861490
Product of the distinct prime numbers

The prime factorization of 20861490 is 2 × 195 × 149 × 359. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 39, 5, 677, 780, 7018, 7945, 5695, 99653, 828361, 483826, 7041082, 6682714, 38812997, 74189295, 94830834, 64518647, 8208817301, 3915670604

Basic calculations (n = 20861490)

Multiplication

n×y
n×2 41722980
n×3 62584470
n×4 83445960
n×5 104307450

Division

n÷y
n÷2 10430745
n÷3 6953830
n÷3 5215372.5
n÷5 4172298

Exponentiation

ny
n2 435201765020100
n3 9.0789572689492E+21
n4 1.8940057627661E+29
n5 3.9511782279887E+36

Nth Root

y√n
2√n 4567.4380127157
3√n 275.28450995742
4√n 67.582823355611
5√n 29.098396998894

Divisors of 20861490

1, 2, 149, 195, 298, 359, 390, 718, 29055, 53491, 58110, 70005, 106982, 140010, 10430745, 20861490

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 -20861489
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 20861490 can be divided by 16 positive divisors. The sum of these divisors (counting 20861490) is 1, the average is 0.0625.

Base conversion 20861490

Base System Value
2 Binary 1001111100101001000110010
3 Ternary 1110020212120210
4 Quaternary 1033211020302
5 Quinary 20320031430
6 Senary 2023044550
8 Octal 117451062
10 Decimal 20861490
12 Duodecimal 6ba0756
16 Hexadecimal 13e5232
20 Vigesimal 6a7dea
36 Base36 cf4tu

Cryptographic Hash Functions

md5 ba23f948a3ccf491f9ae0b05638a7e0c
sha1 8b3b6b9abeeebeaaceac75db512e64274d922e9b
sha256 a726111db03ae0e7fd332d73f6dea182de79a66fd26afb422a7ddae47b6e5e30
sha512 ffc652cb3c3feb8b76bd07b7735d78aa89c2401520077d5734284958022935724fda2eec2cfcafdba8d06b13173bea034b639f9206f0560765086c7ee5a31a85
ripemd-160 e4e60d398d232454e0362ac76b1f791a976d14a1

20861490 as geometric shapes

Circle

Radius = n
Diameter 41722980
Circumference 131076607.45387
Area 1.3672266678165E+15

Sphere

Radius = n
Volume 3.8029847277848E+22
Surface area 5.4689066712658E+15
Circumference 131076607.45387

Square

Length = n
Perimeter 83445960
Area 435201765020100
Diagonal 29502602.089311

Cube

Length = n
Surface area 2611210590120600
Volume 9.0789572689492E+21
Space diagonal 36133160.60159

Equilateral Triangle

Length = n
Perimeter 62584470
Area 1.8844789213962E+14
Altitude 18066580.300795

Triangular Pyramid

Length = n
Surface area 1.8844789213962E+14
Volume 1.0699653751628E+21
Height 9834200.6964369