20681290 (number)

20681290 is an even 8-digits composite number following 20681289 and preceding 20681291. In scientific notation, it is written as 2.0681290 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 7064064 positive integers (up to 20681290) that are relatively prime to 20681290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681290 × 10^7
Engineering notation 2.0681290 × 10^6

Prime Factorization of 20681290

Prime Factorization 2 × 7 × 5 × 439 × 673

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20681290
Product of the distinct prime numbers

The prime factorization of 20681290 is 2 × 7 × 5 × 439 × 673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 3, 8, 4, 775, 794, 8858, 8968, 51849, 88232, 332208, 372431, 6673612, 4349186, 64875789, 12812928, 867269957, 320679328, 9889844208, 1397536377

Basic calculations (n = 20681290)

Multiplication

n×y
n×2 41362580
n×3 62043870
n×4 82725160
n×5 103406450

Division

n÷y
n÷2 10340645
n÷3 6893763.3333333
n÷3 5170322.5
n÷5 4136258

Exponentiation

ny
n2 427715756064100
n3 8.8457135887309E+21
n4 1.8294076798548E+29
n5 3.7834510755305E+36

Nth Root

y√n
2√n 4547.6686334868
3√n 274.48958767321
4√n 67.436404363569
5√n 29.047952443868

Divisors of 20681290

1, 2, 5, 7, 10, 14, 35, 70, 439, 673, 878, 1346, 2195, 3073, 3365, 4390, 4711, 6146, 6730, 9422, 15365, 23555, 30730, 47110, 295447, 590894, 1477235, 2068129, 2954470, 4136258, 10340645, 20681290

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 -20681289
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 20681290 can be divided by 32 positive divisors. The sum of these divisors (counting 20681290) is 1, the average is 0.03125.

Base conversion 20681290

Base System Value
2 Binary 1001110111001001001001010
3 Ternary 1102220201101201
4 Quaternary 1032321021022
5 Quinary 20243300130
6 Senary 2015134414
8 Octal 116711112
10 Decimal 20681290
12 Duodecimal 6b1440a
16 Hexadecimal 13b924a
20 Vigesimal 69534a
36 Base36 cb9sa

Cryptographic Hash Functions

md5 a7163e8e786e4c532325b3de210a0247
sha1 dcdeae481192ab125ee4b51ec65e4cad39bc4548
sha256 b8ef946ede480388543fb4b7b9c4590b2378c7b85439bd250705732c033058df
sha512 5a2c19ce3d03420dd374a4f908fa7d4ec64c1cd2a031180d7d64717158574cccfa15fc2c03a734f0797398c7873e1bb1ccaa85cb4409f04e3477c6a4016117ed
ripemd-160 15a786af62fcca060260f8dba689da03657f928a

20681290 as geometric shapes

Circle

Radius = n
Diameter 41362580
Circumference 129944377.46152
Area 1.3437086770756E+15

Sphere

Radius = n
Volume 3.7052838434822E+22
Surface area 5.3748347083023E+15
Circumference 129944377.46152

Square

Length = n
Perimeter 82725160
Area 427715756064100
Diagonal 29247760.805371

Cube

Length = n
Surface area 2566294536384600
Volume 8.8457135887309E+21
Space diagonal 35821045.046066

Equilateral Triangle

Length = n
Perimeter 62043870
Area 1.8520635517519E+14
Altitude 17910522.523033

Triangular Pyramid

Length = n
Surface area 1.8520635517519E+14
Volume 1.0424773438376E+21
Height 9749253.6017904