20681668 (number)

20681668 is an even 8-digits composite number following 20681667 and preceding 20681669. In scientific notation, it is written as 2.0681668 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 8623584 positive integers (up to 20681668) that are relatively prime to 20681668.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-one thousand six hundred sixty-eight

Notation

Scientific notation 2.0681668 × 10^7
Engineering notation 2.0681668 × 10^6

Prime Factorization of 20681668

Prime Factorization 2 × 2 × 7 × 37 × 19963

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10340834
Product of the distinct prime numbers

The prime factorization of 20681668 is 2 × 2 × 7 × 37 × 19963. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681668)

Multiplication

n×y
n×2 41363336
n×3 62045004
n×4 82726672
n×5 103408340

Division

n÷y
n÷2 10340834
n÷3 6893889.3333333
n÷3 5170417
n÷5 4136333.6

Exponentiation

ny
n2 427731391262224
n3 8.8461986272634E+21
n4 1.8295414307112E+29
n5 3.7837968462214E+36

Nth Root

y√n
2√n 4547.7101930532
3√n 274.49125998076
4√n 67.436712501821
5√n 29.048058627242

Divisors of 20681668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20681667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20681668 can be divided by 24 positive divisors. The sum of these divisors (counting 20681668) is 1, the average is 0.041666666666667.

Base conversion 20681668

Base System Value
2 Binary 1001110111001001111000100
3 Ternary 1102220201220201
4 Quaternary 1032321033010
5 Quinary 20243303133
6 Senary 2015140244
8 Octal 116711704
10 Decimal 20681668
12 Duodecimal 6b14684
16 Hexadecimal 13b93c4
20 Vigesimal 695438
36 Base36 cba2s

Cryptographic Hash Functions

md5 5fa232b3c949268a5e00482a9a957b62
sha1 98369764e9cb274f9d8534129da6a7422bb0c3c6
sha256 6545c41e93099c3815c5bfeeefc9cde333e22065b7831483383ee59e06adff24
sha512 eee7fb0302afcbcc2448f91944f6724d3231bdfc72fd9e66e671b67e2decb64e74cfeb695d6781272559ee3d6944ff4dd6d77e1a97e8d74c74f22494283b2c54
ripemd-160 195cb66bfd3882f3be6016cc519fba8584d00326

20681668 as geometric shapes

Circle

Radius = n
Diameter 41363336
Circumference 129946752.50557
Area 1.3437577964991E+15

Sphere

Radius = n
Volume 3.7054870159476E+22
Surface area 5.3750311859966E+15
Circumference 129946752.50557

Square

Length = n
Perimeter 82726672
Area 427731391262224
Diagonal 29248295.378098

Cube

Length = n
Surface area 2566388347573344
Volume 8.8461986272634E+21
Space diagonal 35821699.761271

Equilateral Triangle

Length = n
Perimeter 62045004
Area 1.8521312541457E+14
Altitude 17910849.880636

Triangular Pyramid

Length = n
Surface area 1.8521312541457E+14
Volume 1.0425345061768E+21
Height 9749431.7926992