20687655 (number)

20687655 is an odd 8-digits composite number following 20687654 and preceding 20687656. In scientific notation, it is written as 2.0687655 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 10931328 positive integers (up to 20687655) that are relatively prime to 20687655.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687655 × 10^7
Engineering notation 2.0687655 × 10^6

Prime Factorization of 20687655

Prime Factorization 3 × 5 × 109 × 12653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20687655
Product of the distinct prime numbers

The prime factorization of 20687655 is 3 × 5 × 109 × 12653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 69, 44, 864, 610, 5853, 381, 85416, 99946, 958196, 561453, 1769530, 378795, 77369842, 54552067, 791549461, 753253002, 4794311308, 2056223065

Basic calculations (n = 20687655)

Multiplication

n×y
n×2 41375310
n×3 62062965
n×4 82750620
n×5 103438275

Division

n÷y
n÷2 10343827.5
n÷3 6895885
n÷3 5171913.75
n÷5 4137531

Exponentiation

ny
n2 427979069399025
n3 8.8538833349481E+21
n4 1.8316608384366E+29
n5 3.7892767502586E+36

Nth Root

y√n
2√n 4548.3683887742
3√n 274.51774431497
4√n 67.441592424661
5√n 29.049740218812

Divisors of 20687655

1, 3, 5, 15, 109, 327, 545, 1635, 12653, 37959, 63265, 189795, 1379177, 4137531, 6895885, 20687655

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687655 can be divided by 16 positive divisors. The sum of these divisors (counting 20687655) is 1, the average is 0.0625.

Base conversion 20687655

Base System Value
2 Binary 1001110111010101100100111
3 Ternary 1102221001010110
4 Quaternary 1032322230213
5 Quinary 20244001110
6 Senary 2015224103
8 Octal 116725447
10 Decimal 20687655
12 Duodecimal 6b18033
16 Hexadecimal 13bab27
20 Vigesimal 695j2f
36 Base36 cbep3

Cryptographic Hash Functions

md5 8f46c3d2590342183bfffa96a39b51e7
sha1 481e3be7912196a2f050763c69c8bbd1c2d6aade
sha256 3f0faad73d06cb77e42f49947fbe55410432a8561fec0deb4e8add062191fed0
sha512 ddb91d2da10a690c5e2fc850392b2a37664f6e3f6d139d8da202adeb784bd726d4a599eaa3e797c66fc9c22bf296a3d133e49ca41004b2a6fd4df59468e38343
ripemd-160 dcb064a4575f139f1aa020160d3156d4fdb45e36

20687655 as geometric shapes

Circle

Radius = n
Diameter 41375310
Circumference 129984369.936
Area 1.3445359003142E+15

Sphere

Radius = n
Volume 3.7087059787752E+22
Surface area 5.3781436012567E+15
Circumference 129984369.936

Square

Length = n
Perimeter 82750620
Area 427979069399025
Diagonal 29256762.274696

Cube

Length = n
Surface area 2567874416394150
Volume 8.8538833349481E+21
Space diagonal 35832069.549456

Equilateral Triangle

Length = n
Perimeter 62062965
Area 1.8532037319379E+14
Altitude 17916034.774728

Triangular Pyramid

Length = n
Surface area 1.8532037319379E+14
Volume 1.0434401576627E+21
Height 9752254.0915652