20123890 (number)

20123890 is an even 8-digits composite number following 20123889 and preceding 20123891. In scientific notation, it is written as 2.0123890 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 8018560 positive integers (up to 20123890) that are relatively prime to 20123890.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand eight hundred ninety

Notation

Scientific notation 2.0123890 × 10^7
Engineering notation 2.0123890 × 10^6

Prime Factorization of 20123890

Prime Factorization 2 × 5 × 269 × 7481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20123890
Product of the distinct prime numbers

The prime factorization of 20123890 is 2 × 5 × 269 × 7481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 39, 23, 148, 842, 4313, 2624, 25500, 45039, 220473, 652538, 8180620, 5367368, 93214863, 83963741, 123831585, 241601669, 6732793109, 6975935015

Basic calculations (n = 20123890)

Multiplication

n×y
n×2 40247780
n×3 60371670
n×4 80495560
n×5 100619450

Division

n÷y
n÷2 10061945
n÷3 6707963.3333333
n÷3 5030972.5
n÷5 4024778

Exponentiation

ny
n2 404970948732100
n3 8.1495908254804E+21
n4 1.6400146931698E+29
n5 3.3003475283732E+36

Nth Root

y√n
2√n 4485.9658937625
3√n 272.00109032147
4√n 66.977353588825
5√n 28.889657089739

Divisors of 20123890

1, 2, 5, 10, 269, 538, 1345, 2690, 7481, 14962, 37405, 74810, 2012389, 4024778, 10061945, 20123890

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 -20123889
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 20123890 can be divided by 16 positive divisors. The sum of these divisors (counting 20123890) is 1, the average is 0.0625.

Base conversion 20123890

Base System Value
2 Binary 1001100110001000011110010
3 Ternary 1101212101210021
4 Quaternary 1030301003302
5 Quinary 20122431030
6 Senary 1555154054
8 Octal 114610362
10 Decimal 20123890
12 Duodecimal 68a592a
16 Hexadecimal 13310f2
20 Vigesimal 65f9ea
36 Base36 bzboy

Cryptographic Hash Functions

md5 03856b90e269c4e415149896a45f35e6
sha1 2f991da47ed9e1f60d987be4fb7315bace7dd20c
sha256 ef4ee32159a86ff8d8db6e640db0aee486def4a8c8060fed92738000979004d8
sha512 335b023ef60e9f4b895b7e33f0611e5eef17532b9f7b97b862898f4d2d5997952f82869426af7500232a6c5d7a7f8d68926a14d8f5de3f75961e4be4e5743c69
ripemd-160 4301d74e88181de2d046e9b8c40c99541a3dfe76

20123890 as geometric shapes

Circle

Radius = n
Diameter 40247780
Circumference 126442129.9713
Area 1.2722537574541E+15

Sphere

Radius = n
Volume 3.4136926222789E+22
Surface area 5.0890150298162E+15
Circumference 126442129.9713

Square

Length = n
Perimeter 80495560
Area 404970948732100
Diagonal 28459478.165704

Cube

Length = n
Surface area 2429825692392600
Volume 8.1495908254804E+21
Space diagonal 34855599.925927

Equilateral Triangle

Length = n
Perimeter 60371670
Area 1.7535756469834E+14
Altitude 17427799.962964

Triangular Pyramid

Length = n
Surface area 1.7535756469834E+14
Volume 9.6043848943215E+20
Height 9486492.7219014