20090781 (number)

20090781 is an odd 8-digits composite number following 20090780 and preceding 20090782. In scientific notation, it is written as 2.0090781 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13315824 positive integers (up to 20090781) that are relatively prime to 20090781.

Interesting facts

Basic properties

Name

Name twenty million ninety thousand seven hundred eighty-one

Notation

Scientific notation 2.0090781 × 10^7
Engineering notation 2.0090781 × 10^6

Prime Factorization of 20090781

Prime Factorization 9 × 3 × 179 × 4157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20090781
Product of the distinct prime numbers

The prime factorization of 20090781 is 9 × 3 × 179 × 4157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 3, 30, 974, 416, 5523, 300, 99521, 7639, 67423, 706020, 7496334, 4842605, 98664401, 31670416, 302265300, 285509575, 9193236029, 5358715735

Basic calculations (n = 20090781)

Multiplication

n×y
n×2 40181562
n×3 60272343
n×4 80363124
n×5 100453905

Division

n÷y
n÷2 10045390.5
n÷3 6696927
n÷3 5022695.25
n÷5 4018156.2

Exponentiation

ny
n2 403639481189961
n3 8.1094324195411E+21
n4 1.629248307753E+29
n5 3.2732870945686E+36

Nth Root

y√n
2√n 4482.2740880049
3√n 271.85183774138
4√n 66.9497878115
5√n 28.880144637031

Divisors of 20090781

1, 3, 9, 27, 179, 537, 1611, 4157, 4833, 12471, 37413, 112239, 744103, 2232309, 6696927, 20090781

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 -20090780
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 20090781 can be divided by 16 positive divisors. The sum of these divisors (counting 20090781) is 1, the average is 0.0625.

Base conversion 20090781

Base System Value
2 Binary 1001100101000111110011101
3 Ternary 1101210201101000
4 Quaternary 1030220332131
5 Quinary 20120401111
6 Senary 1554340513
8 Octal 114507635
10 Decimal 20090781
12 Duodecimal 688a739
16 Hexadecimal 1328f9d
20 Vigesimal 65b6j1
36 Base36 bym59

Cryptographic Hash Functions

md5 bc3e8a8e5ab7bcda3cf1c2ee5b80d466
sha1 6cac86d8168c573add0fc82c344536a5d2ed5aae
sha256 b35c04ba0f10f8020c179bb613a9dc1472a72842d1a73199ae50a62c3b467e2a
sha512 c68dd6d3450b7c05214d28dac3d7ce61215f83726f94b4f449ef87bfecfe79d3a244dc27d48477e9032b3fb6e2c94d3ab84d0810fb268d439bdd6604cca10a5f
ripemd-160 928e015a59474e4cd2d75e48066aa3790569ed10

20090781 as geometric shapes

Circle

Radius = n
Diameter 40181562
Circumference 126234099.98896
Area 1.2680708288052E+15

Sphere

Radius = n
Volume 3.3968711085351E+22
Surface area 5.0722833152207E+15
Circumference 126234099.98896

Square

Length = n
Perimeter 80363124
Area 403639481189961
Diagonal 28412654.968868

Cube

Length = n
Surface area 2421836887139766
Volume 8.1094324195411E+21
Space diagonal 34798253.455739

Equilateral Triangle

Length = n
Perimeter 60272343
Area 1.7478102234044E+14
Altitude 17399126.72787

Triangular Pyramid

Length = n
Surface area 1.7478102234044E+14
Volume 9.5570577590526E+20
Height 9470884.9896226