20731806 (number)

20731806 is an even 8-digits composite number following 20731805 and preceding 20731807. In scientific notation, it is written as 2.0731806 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 6504000 positive integers (up to 20731806) that are relatively prime to 20731806.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty-one thousand eight hundred six

Notation

Scientific notation 2.0731806 × 10^7
Engineering notation 2.0731806 × 10^6

Prime Factorization of 20731806

Prime Factorization 2 × 9 × 17 × 67751

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20731806
Product of the distinct prime numbers

The prime factorization of 20731806 is 2 × 9 × 17 × 67751. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 62, 37, 26, 383, 4296, 7368, 12484, 1936, 250815, 449468, 5975080, 805389, 57567821, 79106624, 779641559, 840655802, 2107542223, 7376629046

Basic calculations (n = 20731806)

Multiplication

n×y
n×2 41463612
n×3 62195418
n×4 82927224
n×5 103659030

Division

n÷y
n÷2 10365903
n÷3 6910602
n÷3 5182951.5
n÷5 4146361.2

Exponentiation

ny
n2 429807780021636
n3 8.9106915126992E+21
n4 1.8473472776713E+29
n5 3.8298845375309E+36

Nth Root

y√n
2√n 4553.2193006707
3√n 274.71289485152
4√n 67.477546640869
5√n 29.062129071839

Divisors of 20731806

1, 2, 9, 17, 18, 34, 153, 306, 67751, 135502, 609759, 1151767, 1219518, 2303534, 10365903, 20731806

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 -20731805
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 20731806 can be divided by 16 positive divisors. The sum of these divisors (counting 20731806) is 1, the average is 0.0625.

Base conversion 20731806

Base System Value
2 Binary 1001111000101011110011110
3 Ternary 1110000021200200
4 Quaternary 1033011132132
5 Quinary 20301404211
6 Senary 2020204330
8 Octal 117053636
10 Decimal 20731806
12 Duodecimal 6b396a6
16 Hexadecimal 13c579e
20 Vigesimal 69b9a6
36 Base36 cccri

Cryptographic Hash Functions

md5 1bdb489064971618ab70b84531c0f6b1
sha1 96b7d1d5fb1a889d44e9dec98189008ca5ef95f9
sha256 601054a8d6185392750690161bf0664524fbf1e5ba90c7dcf5128aa5d0bda231
sha512 2b44b072a8b1234ed585a852ed44a37f5c7984ed890f02c1497123b250cb1b75ca75c85cceed309817bdf522ba56e6ee350521031d78946ccfeedfebe76d2fb8
ripemd-160 e28754a5cedafc7ed333a94a2d26d09e15b84e6b

20731806 as geometric shapes

Circle

Radius = n
Diameter 41463612
Circumference 130261778.8505
Area 1.3502809641717E+15

Sphere

Radius = n
Volume 3.7325017326268E+22
Surface area 5.4011238566868E+15
Circumference 130261778.8505

Square

Length = n
Perimeter 82927224
Area 429807780021636
Diagonal 29319201.217688

Cube

Length = n
Surface area 2578846680129816
Volume 8.9106915126992E+21
Space diagonal 35908541.324661

Equilateral Triangle

Length = n
Perimeter 62195418
Area 1.8611222812147E+14
Altitude 17954270.662331

Triangular Pyramid

Length = n
Surface area 1.8611222812147E+14
Volume 1.0501350656152E+21
Height 9773067.0725626