20686913 (number)

20686913 is an odd 8-digits composite number following 20686912 and preceding 20686914. In scientific notation, it is written as 2.0686913 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 17829504 positive integers (up to 20686913) that are relatively prime to 20686913.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-six thousand nine hundred thirteen

Notation

Scientific notation 2.0686913 × 10^7
Engineering notation 2.0686913 × 10^6

Prime Factorization of 20686913

Prime Factorization 559 × 23 × 1609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20686913
Product of the distinct prime numbers

The prime factorization of 20686913 is 559 × 23 × 1609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20686913)

Multiplication

n×y
n×2 41373826
n×3 62060739
n×4 82747652
n×5 103434565

Division

n÷y
n÷2 10343456.5
n÷3 6895637.6666667
n÷3 5171728.25
n÷5 4137382.6

Exponentiation

ny
n2 427948369469569
n3 8.8529306877088E+21
n4 1.8313980693166E+29
n5 3.7885972528321E+36

Nth Root

y√n
2√n 4548.2868203314
3√n 274.51446225131
4√n 67.440987687988
5√n 29.049531831573

Divisors of 20686913

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 -20686912
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 20686913 can be divided by 8 positive divisors. The sum of these divisors (counting 20686913) is 1, the average is 0.125.

Base conversion 20686913

Base System Value
2 Binary 1001110111010100001000001
3 Ternary 1102221000002222
4 Quaternary 1032322201001
5 Quinary 20243440123
6 Senary 2015220425
8 Octal 116724101
10 Decimal 20686913
12 Duodecimal 6b17715
16 Hexadecimal 13ba841
20 Vigesimal 695h5d
36 Base36 cbe4h

Cryptographic Hash Functions

md5 89f39f6f1a47076c0c9a0ded97350f5c
sha1 31edbf76904f88ced109bec7bbe0ee0c71c566f1
sha256 d2a68bf4d5837090c76c941a2ac295ccb4f79f78d2152ceb3a7c2011271b65c0
sha512 60dfe03ba4cdcc97c9843b2258d549d290ddeebf6f8ba7110390e7072afe47d3af7eb0ffb6c3b3a644812133912b210ac8d6b5593d03440d9c1ce96595f83395
ripemd-160 44c3ff9b3222dd9500465ce365e02c1f34e164df

20686913 as geometric shapes

Circle

Radius = n
Diameter 41373826
Circumference 129979707.8125
Area 1.3444394536413E+15

Sphere

Radius = n
Volume 3.7083069348328E+22
Surface area 5.3777578145653E+15
Circumference 129979707.8125

Square

Length = n
Perimeter 82747652
Area 427948369469569
Diagonal 29255712.928232

Cube

Length = n
Surface area 2567690216817414
Volume 8.8529306877088E+21
Space diagonal 35830784.367757

Equilateral Triangle

Length = n
Perimeter 62060739
Area 1.8530707973439E+14
Altitude 17915392.183879

Triangular Pyramid

Length = n
Surface area 1.8530707973439E+14
Volume 1.0433278871089E+21
Height 9751904.3094108