20687769 (number)

20687769 is an odd 8-digits composite number following 20687768 and preceding 20687770. In scientific notation, it is written as 2.0687769 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 13791840 positive integers (up to 20687769) that are relatively prime to 20687769.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand seven hundred sixty-nine

Notation

Scientific notation 2.0687769 × 10^7
Engineering notation 2.0687769 × 10^6

Prime Factorization of 20687769

Prime Factorization 3 × 3 × 2298641

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6895923
Product of the distinct prime numbers

The prime factorization of 20687769 is 3 × 3 × 2298641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687769)

Multiplication

n×y
n×2 41375538
n×3 62063307
n×4 82751076
n×5 103438845

Division

n÷y
n÷2 10343884.5
n÷3 6895923
n÷3 5171942.25
n÷5 4137553.8

Exponentiation

ny
n2 427983786197361
n3 8.8540297045964E+21
n4 1.8317012124783E+29
n5 3.7893811560771E+36

Nth Root

y√n
2√n 4548.3809207233
3√n 274.51824856038
4√n 67.441685334245
5√n 29.04977223465

Divisors of 20687769

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687768
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687769 can be divided by 6 positive divisors. The sum of these divisors (counting 20687769) is 1, the average is 0.16666666666667.

Base conversion 20687769

Base System Value
2 Binary 1001110111010101110011001
3 Ternary 1102221001021200
4 Quaternary 1032322232121
5 Quinary 20244002034
6 Senary 2015224413
8 Octal 116725631
10 Decimal 20687769
12 Duodecimal 6b18109
16 Hexadecimal 13bab99
20 Vigesimal 695j89
36 Base36 cbes9

Cryptographic Hash Functions

md5 750ab6c6ec804b72cffab16c3c485b1d
sha1 31621fe99f56b750d0a543f02b517f11383edfa4
sha256 35e92267675f2b3bea1bab21415094814e9582abca39d72c54ab8a2616cab467
sha512 7b79ebde2cca449d5bbd4767b83a7e025b6aedd1c9a225e5960f592f6c81115a043a8225f960845d0e9305196cfb5a36b0516b17087bb2ffe86c6959dbf256fd
ripemd-160 be6e490c7b0d02ffb36e2551b101899c698a6cc1

20687769 as geometric shapes

Circle

Radius = n
Diameter 41375538
Circumference 129985086.21913
Area 1.3445507185732E+15

Sphere

Radius = n
Volume 3.7087672899501E+22
Surface area 5.3782028742927E+15
Circumference 129985086.21913

Square

Length = n
Perimeter 82751076
Area 427983786197361
Diagonal 29256923.495042

Cube

Length = n
Surface area 2567902717184166
Volume 8.8540297045964E+21
Space diagonal 35832267.003248

Equilateral Triangle

Length = n
Perimeter 62063307
Area 1.8532241562738E+14
Altitude 17916133.501624

Triangular Pyramid

Length = n
Surface area 1.8532241562738E+14
Volume 1.0434574074912E+21
Height 9752307.8316806