20123791 (number)

20123791 is an odd 8-digits composite number following 20123790 and preceding 20123792. In scientific notation, it is written as 2.0123791 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19988584 positive integers (up to 20123791) that are relatively prime to 20123791.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0123791 × 10^7
Engineering notation 2.0123791 × 10^6

Prime Factorization of 20123791

Prime Factorization 149 × 135059

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20123791
Product of the distinct prime numbers

The prime factorization of 20123791 is 149 × 135059. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 8, 8, 19, 331, 636, 8230, 3272, 16663, 85283, 260001, 283098, 254339, 7780082, 29994638, 18836802, 256727882, 104890237, 9934669427, 7300556135

Basic calculations (n = 20123791)

Multiplication

n×y
n×2 40247582
n×3 60371373
n×4 80495164
n×5 100618955

Division

n÷y
n÷2 10061895.5
n÷3 6707930.3333333
n÷3 5030947.75
n÷5 4024758.2

Exponentiation

ny
n2 404966964211681
n3 8.1494705497003E+21
n4 1.6399824210282E+29
n5 3.3002663484446E+36

Nth Root

y√n
2√n 4485.954859336
3√n 272.00064428192
4√n 66.977271214465
5√n 28.889628665

Divisors of 20123791

1, 149, 135059, 20123791

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20123790
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20123791 can be divided by 4 positive divisors. The sum of these divisors (counting 20123791) is 1, the average is 0.25.

Base conversion 20123791

Base System Value
2 Binary 1001100110001000010001111
3 Ternary 1101212101122121
4 Quaternary 1030301002033
5 Quinary 20122430131
6 Senary 1555153411
8 Octal 114610217
10 Decimal 20123791
12 Duodecimal 68a5867
16 Hexadecimal 133108f
20 Vigesimal 65f99b
36 Base36 bzbm7

Cryptographic Hash Functions

md5 ed6a93804e1f917118f10209c8e74d72
sha1 7388e172d59e772b998b61b524e2e5f4742917a0
sha256 61c3d9387c13f73f409594260c96e4ef5e92becba4eefed169aeba2e6422a34d
sha512 b17edc60dba988c61d2f3ca60a71f27a10574a4cc5b06ecb5a3a10d82a53e03c86573ceda80a33e198322f7d43a4d5efbdf8f76b52fb4bf35c9b56a8126518c5
ripemd-160 8a492ddb6a3824c21793bccdc4d50d31f6002ac7

20123791 as geometric shapes

Circle

Radius = n
Diameter 40247582
Circumference 126441507.93595
Area 1.272241239714E+15

Sphere

Radius = n
Volume 3.413642241278E+22
Surface area 5.0889649588559E+15
Circumference 126441507.93595

Square

Length = n
Perimeter 80495164
Area 404966964211681
Diagonal 28459338.158562

Cube

Length = n
Surface area 2429801785270086
Volume 8.1494705497003E+21
Space diagonal 34855428.452897

Equilateral Triangle

Length = n
Perimeter 60371373
Area 1.7535583935039E+14
Altitude 17427714.226449

Triangular Pyramid

Length = n
Surface area 1.7535583935039E+14
Volume 9.6042431479553E+20
Height 9486446.0528539