20687551 (number)

20687551 is an odd 8-digits composite number following 20687550 and preceding 20687552. In scientific notation, it is written as 2.0687551 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20128392 positive integers (up to 20687551) that are relatively prime to 20687551.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687551 × 10^7
Engineering notation 2.0687551 × 10^6

Prime Factorization of 20687551

Prime Factorization 37 × 559123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20687551
Product of the distinct prime numbers

The prime factorization of 20687551 is 37 × 559123. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20687551)

Multiplication

n×y
n×2 41375102
n×3 62062653
n×4 82750204
n×5 103437755

Division

n÷y
n÷2 10343775.5
n÷3 6895850.3333333
n÷3 5171887.75
n÷5 4137510.2

Exponentiation

ny
n2 427974766377601
n3 8.8537498061497E+21
n4 1.8316240065596E+29
n5 3.7891815048527E+36

Nth Root

y√n
2√n 4548.3569560886
3√n 274.51728429999
4√n 67.441507664706
5√n 29.049711011257

Divisors of 20687551

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687550
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687551 can be divided by 4 positive divisors. The sum of these divisors (counting 20687551) is 1, the average is 0.25.

Base conversion 20687551

Base System Value
2 Binary 1001110111010101010111111
3 Ternary 1102221000222121
4 Quaternary 1032322222333
5 Quinary 20244000201
6 Senary 2015223411
8 Octal 116725277
10 Decimal 20687551
12 Duodecimal 6b17b67
16 Hexadecimal 13baabf
20 Vigesimal 695ihb
36 Base36 cbem7

Cryptographic Hash Functions

md5 42fe3336142f68a80efe37a87f1b9abf
sha1 eca91f5b1e7d4deb89964fad2c6c7f57cde7c50e
sha256 00f621d75f2c60765d1bdd3e1ad98b5449ae0f317c78da078f563ae709d04839
sha512 dca95baf2fafdf8f26132ac3116ccfeb0f63d6f564ff2ea89cb946aca1f59245975e0db09f8f05f04cb18ce409bb474d872ff5639dfdfe156bf1bdfe71ebb362
ripemd-160 a474ccaafe0a9fc1e53c1b186ceab31fe7b128d1

20687551 as geometric shapes

Circle

Radius = n
Diameter 41375102
Circumference 129983716.48473
Area 1.3445223819737E+15

Sphere

Radius = n
Volume 3.7086500463629E+22
Surface area 5.3780895278947E+15
Circumference 129983716.48473

Square

Length = n
Perimeter 82750204
Area 427974766377601
Diagonal 29256615.196485

Cube

Length = n
Surface area 2567848598265606
Volume 8.8537498061497E+21
Space diagonal 35831889.416172

Equilateral Triangle

Length = n
Perimeter 62062653
Area 1.8531850993086E+14
Altitude 17915944.708086

Triangular Pyramid

Length = n
Surface area 1.8531850993086E+14
Volume 1.0434244211429E+21
Height 9752205.065495