20688431 (number)

20688431 is an odd 8-digits composite number following 20688430 and preceding 20688432. In scientific notation, it is written as 2.0688431 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 19733560 positive integers (up to 20688431) that are relatively prime to 20688431.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-eight thousand four hundred thirty-one

Notation

Scientific notation 2.0688431 × 10^7
Engineering notation 2.0688431 × 10^6

Prime Factorization of 20688431

Prime Factorization 23 × 431 × 2087

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20688431
Product of the distinct prime numbers

The prime factorization of 20688431 is 23 × 431 × 2087. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 5, 44, 12, 902, 426, 9449, 911, 59351, 23032, 934548, 943424, 7288492, 8278008, 37728502, 88053884, 635570830, 834029797, 3077708882, 5101755068

Basic calculations (n = 20688431)

Multiplication

n×y
n×2 41376862
n×3 62065293
n×4 82753724
n×5 103442155

Division

n÷y
n÷2 10344215.5
n÷3 6896143.6666667
n÷3 5172107.75
n÷5 4137686.2

Exponentiation

ny
n2 428011177241761
n3 8.8548797075949E+21
n4 1.8319356784388E+29
n5 3.7899874879819E+36

Nth Root

y√n
2√n 4548.4536932896
3√n 274.52117668572
4√n 67.442224854238
5√n 29.049958148395

Divisors of 20688431

1, 23, 431, 2087, 9913, 48001, 899497, 20688431

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20688430
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20688431 can be divided by 8 positive divisors. The sum of these divisors (counting 20688431) is 1, the average is 0.125.

Base conversion 20688431

Base System Value
2 Binary 1001110111010111000101111
3 Ternary 1102221002012012
4 Quaternary 1032322320233
5 Quinary 20244012211
6 Senary 2015231435
8 Octal 116727057
10 Decimal 20688431
12 Duodecimal 6b1857b
16 Hexadecimal 13bae2f
20 Vigesimal 69611b
36 Base36 cbfan

Cryptographic Hash Functions

md5 099a0206472bd520e75a3dbaa23b8339
sha1 894d507cc35b20436fbe89680307517c169180ae
sha256 acb35b2e0d35609307e59fb1f1892fe7bd4205ae572f4f8ba2b4b48b35f0f9e2
sha512 9c531125cec916ea5f5937b1048b45861cfd50188cf511bf03177d4de6d442f6f73727bd478b66fe73192419182fb5d3ef87731b43f0ddc5387fb3e42ffa86d3
ripemd-160 74c5d87428d9f14f4eac7852a45b625646a60d09

20688431 as geometric shapes

Circle

Radius = n
Diameter 41376862
Circumference 129989245.6878
Area 1.344636770077E+15

Sphere

Radius = n
Volume 3.7091233383735E+22
Surface area 5.3785470803081E+15
Circumference 129989245.6878

Square

Length = n
Perimeter 82753724
Area 428011177241761
Diagonal 29257859.70442

Cube

Length = n
Surface area 2568067063450566
Volume 8.8548797075949E+21
Space diagonal 35833413.620883

Equilateral Triangle

Length = n
Perimeter 62065293
Area 1.8533427629752E+14
Altitude 17916706.810441

Triangular Pyramid

Length = n
Surface area 1.8533427629752E+14
Volume 1.0435575813053E+21
Height 9752619.9014733