20391750 (number)

20391750 is an even 8-digits composite number following 20391749 and preceding 20391751. In scientific notation, it is written as 2.0391750 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 5054400 positive integers (up to 20391750) that are relatively prime to 20391750.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0391750 × 10^7
Engineering notation 2.0391750 × 10^6

Prime Factorization of 20391750

Prime Factorization 2 × 1431 × 15 × 95 × 5

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20391750
Product of the distinct prime numbers

The prime factorization of 20391750 is 2 × 1431 × 15 × 95 × 5. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20391750)

Multiplication

n×y
n×2 40783500
n×3 61175250
n×4 81567000
n×5 101958750

Division

n÷y
n÷2 10195875
n÷3 6797250
n÷3 5097937.5
n÷5 4078350

Exponentiation

ny
n2 415823468062500
n3 8.4793682048635E+21
n4 1.7290915659152E+29
n5 3.5259202939252E+36

Nth Root

y√n
2√n 4515.7225335488
3√n 273.20260289474
4√n 67.199125987983
5√n 28.966158290121

Divisors of 20391750

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20391749
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20391750 can be divided by 32 positive divisors. The sum of these divisors (counting 20391750) is 1, the average is 0.03125.

Base conversion 20391750

Base System Value
2 Binary 1001101110010011101000110
3 Ternary 1102101000020000
4 Quaternary 1031302131012
5 Quinary 20210014000
6 Senary 2005022130
8 Octal 115623506
10 Decimal 20391750
12 Duodecimal 69b4946
16 Hexadecimal 1372746
20 Vigesimal 678j7a
36 Base36 c52di

Cryptographic Hash Functions

md5 ba3c44cdc7a0ef4e2ebe6a530898d9fa
sha1 a57c7c758b31c169a9a3c7f2a47ab08a9981cf25
sha256 3e984430e2dc3c93636b27bdaaa5c60b30d66aad1cb71d9b302f64ffc6c9dfd6
sha512 1d3ff9895fcf7855d53ccc9e7957a0eb1589a69dee0c36d2d22b3da9d3de5821bf8e57309fa43448c85f97a680e8dc8d689cf846c30a559f95b1c14f5ecf2766
ripemd-160 7552803f0e23515835f30f614c26a35aca67f3f2

20391750 as geometric shapes

Circle

Radius = n
Diameter 40783500
Circumference 128125143.98768
Area 1.3063479524554E+15

Sphere

Radius = n
Volume 3.5518294479309E+22
Surface area 5.2253918098215E+15
Circumference 128125143.98768

Square

Length = n
Perimeter 81567000
Area 415823468062500
Diagonal 28838289.410522

Cube

Length = n
Surface area 2494940808375000
Volume 8.4793682048635E+21
Space diagonal 35319547.055243

Equilateral Triangle

Length = n
Perimeter 61175250
Area 1.8005684341594E+14
Altitude 17659773.527621

Triangular Pyramid

Length = n
Surface area 1.8005684341594E+14
Volume 9.993031263061E+20
Height 9612763.1368405