20687555 (number)

20687555 is an odd 8-digits composite number following 20687554 and preceding 20687556. In scientific notation, it is written as 2.0687555 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 13348608 positive integers (up to 20687555) that are relatively prime to 20687555.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-seven thousand five hundred fifty-five

Notation

Scientific notation 2.0687555 × 10^7
Engineering notation 2.0687555 × 10^6

Prime Factorization of 20687555

Prime Factorization 85 × 7 × 7 × 4967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2955365
Product of the distinct prime numbers

The prime factorization of 20687555 is 85 × 7 × 7 × 4967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 74, 49, 790, 434, 1619, 7615, 87599, 3282, 158434, 632826, 9781156, 808622, 43885715, 7796427, 948611304, 310156825, 3296303004, 3800102089

Basic calculations (n = 20687555)

Multiplication

n×y
n×2 41375110
n×3 62062665
n×4 82750220
n×5 103437775

Division

n÷y
n÷2 10343777.5
n÷3 6895851.6666667
n÷3 5171888.75
n÷5 4137511

Exponentiation

ny
n2 427974931878025
n3 8.8537549418479E+21
n4 1.83162542316E+29
n5 3.7891851681021E+36

Nth Root

y√n
2√n 4548.3573958079
3√n 274.51730199291
4√n 67.441510924711
5√n 29.049712134627

Divisors of 20687555

1, 7, 49, 85, 595, 4165, 4967, 34769, 243383, 422195, 2955365, 20687555

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687554
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687555 can be divided by 12 positive divisors. The sum of these divisors (counting 20687555) is 1, the average is 0.083333333333333.

Base conversion 20687555

Base System Value
2 Binary 1001110111010101011000011
3 Ternary 1102221000222202
4 Quaternary 1032322223003
5 Quinary 20244000210
6 Senary 2015223415
8 Octal 116725303
10 Decimal 20687555
12 Duodecimal 6b17b6b
16 Hexadecimal 13baac3
20 Vigesimal 695ihf
36 Base36 cbemb

Cryptographic Hash Functions

md5 2797e9a904745f9af64a2ae87b49cda1
sha1 2a082e989f6ab1c24daff298db54006478cdfcba
sha256 2446c56d49ce11f1702f997a30522cfb3698ebe1153ab8ca8b2b1080353cdcf3
sha512 825e4299c5209b3fe0de722eff4f09ce63d21ed87d2530bb8d1aa72ba9a725cff6e23fe6338c4485c6cb679a988ef44dc3b58da3902b587c9b726d4786ac8a8b
ripemd-160 d7a3d5ab1e22225b8bea05a6cb95fdf9a3ee77ff

20687555 as geometric shapes

Circle

Radius = n
Diameter 41375110
Circumference 129983741.61747
Area 1.3445229019086E+15

Sphere

Radius = n
Volume 3.7086521975992E+22
Surface area 5.3780916076344E+15
Circumference 129983741.61747

Square

Length = n
Perimeter 82750220
Area 427974931878025
Diagonal 29256620.853339

Cube

Length = n
Surface area 2567849591268150
Volume 8.8537549418479E+21
Space diagonal 35831896.344376

Equilateral Triangle

Length = n
Perimeter 62062665
Area 1.8531858159464E+14
Altitude 17915948.172188

Triangular Pyramid

Length = n
Surface area 1.8531858159464E+14
Volume 1.0434250263908E+21
Height 9752206.9511131