20687656 (number)

20687656 is an even 8-digits composite number following 20687655 and preceding 20687657. In scientific notation, it is written as 2.0687656 × 10^7. The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors. There are 8907840 positive integers (up to 20687656) that are relatively prime to 20687656.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0687656 × 10^7
Engineering notation 2.0687656 × 10^6

Prime Factorization of 20687656

Prime Factorization 2 × 2 × 2 × 11 × 19 × 12373

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5171914
Product of the distinct prime numbers

The prime factorization of 20687656 is 2 × 2 × 2 × 11 × 19 × 12373. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 10, 35, 35, 709, 846, 6042, 3219, 93950, 39883, 199598, 656441, 4655838, 629432, 47841061, 87622398, 325651444, 807659361, 7605922438, 2070187130

Basic calculations (n = 20687656)

Multiplication

n×y
n×2 41375312
n×3 62062968
n×4 82750624
n×5 103438280

Division

n÷y
n÷2 10343828
n÷3 6895885.3333333
n÷3 5171914
n÷5 4137531.2

Exponentiation

ny
n2 427979110774336
n3 8.8538846188854E+21
n4 1.8316611925919E+29
n5 3.7892776660891E+36

Nth Root

y√n
2√n 4548.3684987037
3√n 274.51774873818
4√n 67.441593239659
5√n 29.049740499653

Divisors of 20687656

1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12373, 24746, 49492, 98984, 136103, 235087, 272206, 470174, 544412, 940348, 1088824, 1880696, 2585957, 5171914, 10343828, 20687656

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20687655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687656 can be divided by 32 positive divisors. The sum of these divisors (counting 20687656) is 1, the average is 0.03125.

Base conversion 20687656

Base System Value
2 Binary 1001110111010101100101000
3 Ternary 1102221001010111
4 Quaternary 1032322230220
5 Quinary 20244001111
6 Senary 2015224104
8 Octal 116725450
10 Decimal 20687656
12 Duodecimal 6b18034
16 Hexadecimal 13bab28
20 Vigesimal 695j2g
36 Base36 cbep4

Cryptographic Hash Functions

md5 2d5115264126fb4ef82a77648da7ebb9
sha1 ecf1282a43baeabb0c4357736dea59a691514871
sha256 4733c8dd43a6b933f5dd54b6cf4ff8af74bb9dc0f52f2a0910d0a784ffe44ed8
sha512 bef30407b0c7474830506dca61be67230bb378368a6b02bc3d74c296b7deaffc2a84efa0b6e269ffbbbded16094863dc38d4e4443f495470b54d7b27cfff1012
ripemd-160 e39cc11d3af0a7aa2b89315ca75fa28eb0a6a608

20687656 as geometric shapes

Circle

Radius = n
Diameter 41375312
Circumference 129984376.21919
Area 1.3445360302985E+15

Sphere

Radius = n
Volume 3.7087065165896E+22
Surface area 5.3781441211942E+15
Circumference 129984376.21919

Square

Length = n
Perimeter 82750624
Area 427979110774336
Diagonal 29256763.688909

Cube

Length = n
Surface area 2567874664646016
Volume 8.8538846188854E+21
Space diagonal 35832071.281507

Equilateral Triangle

Length = n
Perimeter 62062968
Area 1.8532039110982E+14
Altitude 17916035.640754

Triangular Pyramid

Length = n
Surface area 1.8532039110982E+14
Volume 1.0434403089762E+21
Height 9752254.5629697