20688031 (number)

20688031 is an odd 8-digits composite number following 20688030 and preceding 20688032. In scientific notation, it is written as 2.0688031 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors. There are 14999040 positive integers (up to 20688031) that are relatively prime to 20688031.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0688031 × 10^7
Engineering notation 2.0688031 × 10^6

Prime Factorization of 20688031

Prime Factorization 7 × 13 × 17 × 43 × 311

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20688031
Product of the distinct prime numbers

The prime factorization of 20688031 is 7 × 13 × 17 × 43 × 311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 17, 78, 747, 673, 8265, 6686, 70884, 7455, 2611, 935859, 1448778, 1748136, 76355965, 42004181, 435571722, 221566845, 3095875592, 9216707841

Basic calculations (n = 20688031)

Multiplication

n×y
n×2 41376062
n×3 62064093
n×4 82752124
n×5 103440155

Division

n÷y
n÷2 10344015.5
n÷3 6896010.3333333
n÷3 5172007.75
n÷5 4137606.2

Exponentiation

ny
n2 427994626656961
n3 8.8543661041126E+21
n4 1.8317940044723E+29
n5 3.7896211150137E+36

Nth Root

y√n
2√n 4548.4097220897
3√n 274.51940743317
4√n 67.441898861833
5√n 29.049845814375

Divisors of 20688031

1, 7, 13, 17, 43, 91, 119, 221, 301, 311, 559, 731, 1547, 2177, 3913, 4043, 5117, 5287, 9503, 13373, 28301, 37009, 66521, 68731, 93611, 173849, 227341, 481117, 1216943, 1591387, 2955433, 20688031

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 -20688030
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 20688031 can be divided by 32 positive divisors. The sum of these divisors (counting 20688031) is 1, the average is 0.03125.

Base conversion 20688031

Base System Value
2 Binary 1001110111010110010011111
3 Ternary 1102221001122101
4 Quaternary 1032322302133
5 Quinary 20244004111
6 Senary 2015225531
8 Octal 116726237
10 Decimal 20688031
12 Duodecimal 6b182a7
16 Hexadecimal 13bac9f
20 Vigesimal 69601b
36 Base36 cbezj

Cryptographic Hash Functions

md5 720bb08c3a7766ff6eca528f19b13bd2
sha1 bf9d6effb7c2670ff6671967ab3b842d4646276b
sha256 0f3f4b65f09a5878a62398256eeb818c0b375ad32fc45efb8abbe1799cef7927
sha512 dd1610f0b141aca200407dc5c6b05fb275e1f23cb06fec05f74ac7f9fcf85a86a369190b16f70f51b7dee6210e4ce698a7a4ed7a3bc53ba199fce658ac46dc6e
ripemd-160 607188f2512335fb924f67188dad1db278cc75db

20688031 as geometric shapes

Circle

Radius = n
Diameter 41376062
Circumference 129986732.41368
Area 1.3445847748814E+15

Sphere

Radius = n
Volume 3.70890820065E+22
Surface area 5.3783390995257E+15
Circumference 129986732.41368

Square

Length = n
Perimeter 82752124
Area 427994626656961
Diagonal 29257294.018995

Cube

Length = n
Surface area 2567967759941766
Volume 8.8543661041126E+21
Space diagonal 35832720.80056

Equilateral Triangle

Length = n
Perimeter 62064093
Area 1.8532710968408E+14
Altitude 17916360.40028

Triangular Pyramid

Length = n
Surface area 1.8532710968408E+14
Volume 1.0434970525544E+21
Height 9752431.339665