20681812 (number)

20681812 is an even 8-digits composite number following 20681811 and preceding 20681813. In scientific notation, it is written as 2.0681812 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10316160 positive integers (up to 20681812) that are relatively prime to 20681812.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand eight hundred twelve

Notation

Scientific notation 2.0681812 × 10^7
Engineering notation 2.0681812 × 10^6

Prime Factorization of 20681812

Prime Factorization 2 × 2 × 433 × 11941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10340906
Product of the distinct prime numbers

The prime factorization of 20681812 is 2 × 2 × 433 × 11941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 25, 91, 768, 528, 477, 5685, 66189, 99325, 867544, 939049, 2968164, 4574039, 40977099, 21592711, 70981633, 916202044, 3911213311, 8979894176

Basic calculations (n = 20681812)

Multiplication

n×y
n×2 41363624
n×3 62045436
n×4 82727248
n×5 103409060

Division

n÷y
n÷2 10340906
n÷3 6893937.3333333
n÷3 5170453
n÷5 4136362.4

Exponentiation

ny
n2 427737347603344
n3 8.846383408511E+21
n4 1.8295923853474E+29
n5 3.7839285750387E+36

Nth Root

y√n
2√n 4547.7260251691
3√n 274.49189704494
4√n 67.43682988671
5√n 29.048099077643

Divisors of 20681812

1, 2, 4, 433, 866, 1732, 11941, 23882, 47764, 5170453, 10340906, 20681812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681812 can be divided by 12 positive divisors. The sum of these divisors (counting 20681812) is 1, the average is 0.083333333333333.

Base conversion 20681812

Base System Value
2 Binary 1001110111001010001010100
3 Ternary 1102220202010001
4 Quaternary 1032321101110
5 Quinary 20243304222
6 Senary 2015141044
8 Octal 116712124
10 Decimal 20681812
12 Duodecimal 6b14784
16 Hexadecimal 13b9454
20 Vigesimal 6954ac
36 Base36 cba6s

Cryptographic Hash Functions

md5 49140767473f3658e7ef6e9cf436376d
sha1 7709517dcfe9566a4da3229c67513cd22fdf6fe4
sha256 5eaa8eb63f2a169bfa9376818647f757c0bfa0eaf1e13b6eb7ba3e087c4f8cf6
sha512 184b1127dda52a03c5f95e229a07392e01e58833e6b983a5234eb3eeff5f805579aecfe8e326f35be538217d96594ac0222c3df1483260b1067c72d9f3582add
ripemd-160 f7faea9fc742da7c6731eb72265db282456a626e

20681812 as geometric shapes

Circle

Radius = n
Diameter 41363624
Circumference 129947657.28425
Area 1.3437765088966E+15

Sphere

Radius = n
Volume 3.7055644169356E+22
Surface area 5.3751060355866E+15
Circumference 129947657.28425

Square

Length = n
Perimeter 82727248
Area 427737347603344
Diagonal 29248499.024851

Cube

Length = n
Surface area 2566424085620064
Volume 8.846383408511E+21
Space diagonal 35821949.176588

Equilateral Triangle

Length = n
Perimeter 62045436
Area 1.8521570458594E+14
Altitude 17910974.588294

Triangular Pyramid

Length = n
Surface area 1.8521570458594E+14
Volume 1.0425562828557E+21
Height 9749499.6749502