20681680 (number)

20681680 is an even 8-digits composite number following 20681679 and preceding 20681681. In scientific notation, it is written as 2.0681680 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 8272640 positive integers (up to 20681680) that are relatively prime to 20681680.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681680 × 10^7
Engineering notation 2.0681680 × 10^6

Prime Factorization of 20681680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 258521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585210
Product of the distinct prime numbers

The prime factorization of 20681680 is 2 × 2 × 2 × 2 × 5 × 258521. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 40, 5, 519, 674, 3185, 9782, 26063, 64273, 293648, 418573, 3206697, 4891184, 50638500, 39745819, 468677996, 412982335, 2913112584, 565988987

Basic calculations (n = 20681680)

Multiplication

n×y
n×2 41363360
n×3 62045040
n×4 82726720
n×5 103408400

Division

n÷y
n÷2 10340840
n÷3 6893893.3333333
n÷3 5170420
n÷5 4136336

Exponentiation

ny
n2 427731887622400
n3 8.8462140256024E+21
n4 1.8295456768902E+29
n5 3.7838078234827E+36

Nth Root

y√n
2√n 4547.7115123983
3√n 274.49131306955
4√n 67.436722283918
5√n 29.048061998117

Divisors of 20681680

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 258521, 517042, 1034084, 1292605, 2068168, 2585210, 4136336, 5170420, 10340840, 20681680

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681680 can be divided by 20 positive divisors. The sum of these divisors (counting 20681680) is 1, the average is 0.05.

Base conversion 20681680

Base System Value
2 Binary 1001110111001001111010000
3 Ternary 1102220201221011
4 Quaternary 1032321033100
5 Quinary 20243303210
6 Senary 2015140304
8 Octal 116711720
10 Decimal 20681680
12 Duodecimal 6b14694
16 Hexadecimal 13b93d0
20 Vigesimal 695440
36 Base36 cba34

Cryptographic Hash Functions

md5 0fe0f8966fef435dbe0d066c05aa5210
sha1 a61c470883adaa4acf2c9781fcd3e1969cb62bc8
sha256 14b85c8a43d23c7f079270199278b7a099b36b5c341f1cc718c6565242a88c7d
sha512 ead1bff00204e3c92bc553d307784e336b9b0f6290e6023a6759737c8b88fe23a5168576ae1e3f74c8c7343c5d99937f17acb7a97599def3274d2b11c9315b57
ripemd-160 f8d07de51e558965b1e2765ed90f41cf0bfb1355

20681680 as geometric shapes

Circle

Radius = n
Diameter 41363360
Circumference 129946827.90379
Area 1.3437593558606E+15

Sphere

Radius = n
Volume 3.7054934659887E+22
Surface area 5.3750374234425E+15
Circumference 129946827.90379

Square

Length = n
Perimeter 82726720
Area 427731887622400
Diagonal 29248312.34866

Cube

Length = n
Surface area 2566391325734400
Volume 8.8462140256024E+21
Space diagonal 35821720.545881

Equilateral Triangle

Length = n
Perimeter 62045040
Area 1.8521334034483E+14
Altitude 17910860.272941

Triangular Pyramid

Length = n
Surface area 1.8521334034483E+14
Volume 1.0425363208885E+21
Height 9749437.4495535