20681505 (number)

20681505 is an odd 8-digits composite number following 20681504 and preceding 20681506. In scientific notation, it is written as 2.0681505 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10181376 positive integers (up to 20681505) that are relatively prime to 20681505.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681505 × 10^7
Engineering notation 2.0681505 × 10^6

Prime Factorization of 20681505

Prime Factorization 13 × 9 × 5 × 35353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20681505
Product of the distinct prime numbers

The prime factorization of 20681505 is 13 × 9 × 5 × 35353. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 93, 6, 213, 152, 4827, 2003, 84363, 73142, 520545, 75207, 2607723, 7398454, 34897151, 14527545, 901707075, 297082227, 4325930385, 3237552744

Basic calculations (n = 20681505)

Multiplication

n×y
n×2 41363010
n×3 62044515
n×4 82726020
n×5 103407525

Division

n÷y
n÷2 10340752.5
n÷3 6893835
n÷3 5170376.25
n÷5 4136301

Exponentiation

ny
n2 427724649065025
n3 8.8459894682616E+21
n4 1.829483754178E+29
n5 3.7836477409451E+36

Nth Root

y√n
2√n 4547.6922719111
3√n 274.49053885593
4√n 67.436579627907
5√n 29.048012839364

Divisors of 20681505

1, 5, 9, 13, 45, 65, 117, 585, 35353, 176765, 318177, 459589, 1590885, 2297945, 4136301, 20681505

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 -20681504
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 20681505 can be divided by 16 positive divisors. The sum of these divisors (counting 20681505) is 1, the average is 0.0625.

Base conversion 20681505

Base System Value
2 Binary 1001110111001001100100001
3 Ternary 1102220201200200
4 Quaternary 1032321030201
5 Quinary 20243302010
6 Senary 2015135413
8 Octal 116711441
10 Decimal 20681505
12 Duodecimal 6b14569
16 Hexadecimal 13b9321
20 Vigesimal 6953f5
36 Base36 cb9y9

Cryptographic Hash Functions

md5 6e6e17ddd7a23086787d384984f80886
sha1 d81a6a78d138779fa238061366ef760ea9a1bf6e
sha256 2c1ef86ed6adf5b8ba20a3c8a3b72d2bea58561de573859ddebfffb0a724822b
sha512 dc818c1fe0373ff58588b1f07a14684609f5d2b46e9236c5f40c052bc022ea03a63b2900c0b2ec3626cdd9f6b4fc97feef4c3b4587257cd825c43e8daf40034f
ripemd-160 12af39543d571c76acb44b02d657f733d076bbfd

20681505 as geometric shapes

Circle

Radius = n
Diameter 41363010
Circumference 129945728.34636
Area 1.343736615262E+15

Sphere

Radius = n
Volume 3.7053994036298E+22
Surface area 5.3749464610478E+15
Circumference 129945728.34636

Square

Length = n
Perimeter 82726020
Area 427724649065025
Diagonal 29248064.861287

Cube

Length = n
Surface area 2566347894390150
Volume 8.8459894682616E+21
Space diagonal 35821417.43699

Equilateral Triangle

Length = n
Perimeter 62044515
Area 1.8521020595755E+14
Altitude 17910708.718495

Triangular Pyramid

Length = n
Surface area 1.8521020595755E+14
Volume 1.0425098565521E+21
Height 9749354.9537623