20123990 (number)

20123990 is an even 8-digits composite number following 20123989 and preceding 20123991. In scientific notation, it is written as 2.0123990 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 7869680 positive integers (up to 20123990) that are relatively prime to 20123990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123990 × 10^7
Engineering notation 2.0123990 × 10^6

Prime Factorization of 20123990

Prime Factorization 2 × 5 × 2209 × 911

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20123990
Product of the distinct prime numbers

The prime factorization of 20123990 is 2 × 5 × 2209 × 911. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 7, 84, 83, 190, 180, 1999, 5126, 98875, 98854, 37866, 218822, 5340334, 4601829, 67320016, 11240887, 180971600, 234752151, 9140924179, 7057682332

Basic calculations (n = 20123990)

Multiplication

n×y
n×2 40247980
n×3 60371970
n×4 80495960
n×5 100619950

Division

n÷y
n÷2 10061995
n÷3 6707996.6666667
n÷3 5030997.5
n÷5 4024798

Exponentiation

ny
n2 404974973520100
n3 8.1497123173688E+21
n4 1.6400472917761E+29
n5 3.3004295299228E+36

Nth Root

y√n
2√n 4485.9770396202
3√n 272.00154086497
4√n 66.97743679494
5√n 28.889685801484

Divisors of 20123990

1, 2, 5, 10, 911, 1822, 2209, 4418, 4555, 9110, 11045, 22090, 2012399, 4024798, 10061995, 20123990

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 -20123989
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 20123990 can be divided by 16 positive divisors. The sum of these divisors (counting 20123990) is 1, the average is 0.0625.

Base conversion 20123990

Base System Value
2 Binary 1001100110001000101010110
3 Ternary 1101212101220222
4 Quaternary 1030301011112
5 Quinary 20122431430
6 Senary 1555154342
8 Octal 114610526
10 Decimal 20123990
12 Duodecimal 68a59b2
16 Hexadecimal 1331156
20 Vigesimal 65f9ja
36 Base36 bzbrq

Cryptographic Hash Functions

md5 52ff026ceb430caf79a5a065f8490d2f
sha1 c2c0d87694d3e60f51d8ced0fa4a42358adf0a33
sha256 be609139d32d72fdf3c36717abd4a6959bf72865967cfe9a4bc4c7c9980f6763
sha512 f82c1e3ba1dab2e902c0d6def0b77c8973b46510267c66301e5d204f0d59f3e3b71cff5aa3f8d5ae67b646a198cc32d353816cbb19da65ea4823c0ad011a8586
ripemd-160 45b350030a9d37a8ffff03e71bb0fa5174b9a50b

20123990 as geometric shapes

Circle

Radius = n
Diameter 40247980
Circumference 126442758.28983
Area 1.2722664016985E+15

Sphere

Radius = n
Volume 3.4137435126821E+22
Surface area 5.0890656067939E+15
Circumference 126442758.28983

Square

Length = n
Perimeter 80495960
Area 404974973520100
Diagonal 28459619.587061

Cube

Length = n
Surface area 2429849841120600
Volume 8.1497123173688E+21
Space diagonal 34855773.131008

Equilateral Triangle

Length = n
Perimeter 60371970
Area 1.7535930748267E+14
Altitude 17427886.565504

Triangular Pyramid

Length = n
Surface area 1.7535930748267E+14
Volume 9.604528073885E+20
Height 9486539.8623535