12781690 (number)

12781690 is an even 8-digits composite number following 12781689 and preceding 12781691. In scientific notation, it is written as 1.2781690 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 5059584 positive integers (up to 12781690) that are relatively prime to 12781690.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand six hundred ninety

Notation

Scientific notation 1.2781690 × 10^7
Engineering notation 1.2781690 × 10^6

Prime Factorization of 12781690

Prime Factorization 2 × 5 × 97 × 13177

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12781690
Product of the distinct prime numbers

The prime factorization of 12781690 is 2 × 5 × 97 × 13177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 3, 37, 37, 451, 205, 5110, 7129, 30437, 6379, 32169, 496952, 7438722, 4994055, 52207614, 22426032, 880576734, 620515514, 2361733336, 2507157912

Basic calculations (n = 12781690)

Multiplication

n×y
n×2 25563380
n×3 38345070
n×4 51126760
n×5 63908450

Division

n÷y
n÷2 6390845
n÷3 4260563.3333333
n÷3 3195422.5
n÷5 2556338

Exponentiation

ny
n2 163371599256100
n3 2.0881651364957E+21
n4 2.6690279443496E+28
n5 3.4114687786013E+35

Nth Root

y√n
2√n 3575.1489479461
3√n 233.80982673702
4√n 59.792549267832
5√n 26.38260383237

Divisors of 12781690

1, 2, 5, 10, 97, 194, 485, 970, 13177, 26354, 65885, 131770, 1278169, 2556338, 6390845, 12781690

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 -12781689
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 12781690 can be divided by 16 positive divisors. The sum of these divisors (counting 12781690) is 1, the average is 0.0625.

Base conversion 12781690

Base System Value
2 Binary 110000110000100001111010
3 Ternary 220001101011221
4 Quaternary 300300201322
5 Quinary 11233003230
6 Senary 1133542254
8 Octal 60604172
10 Decimal 12781690
12 Duodecimal 434498a
16 Hexadecimal c3087a
20 Vigesimal 3jhe4a
36 Base36 7lyey

Cryptographic Hash Functions

md5 13ccb667cfa6f1e4f8607d79e75ee8ca
sha1 6dad35016ab9d41549b60f6a4247adc57a7c9f27
sha256 9c3a34a467172c185edefb6e6957f7db50160fb921402f190286132c7e09f127
sha512 5b9ad7c449d9dcffebfad348d92d8a8eb72e9e60e8ce8c35b477954ec9ee49b325d47119b0bf8b68392724069b86d452037862dc2c1d84db37961a3b4ea92441
ripemd-160 ea2e5192b92076cb84e3498032f9f76b2f06047d

12781690 as geometric shapes

Circle

Radius = n
Diameter 25563380
Circumference 80309726.808924
Area 5.1324701602818E+14

Sphere

Radius = n
Volume 8.7468856697296E+21
Surface area 2.0529880641127E+15
Circumference 80309726.808924

Square

Length = n
Perimeter 51126760
Area 163371599256100
Diagonal 18076039.348049

Cube

Length = n
Surface area 980229595536600
Volume 2.0881651364957E+21
Space diagonal 22138536.486595

Equilateral Triangle

Length = n
Perimeter 38345070
Area 70741977606337
Altitude 11069268.243298

Triangular Pyramid

Length = n
Surface area 70741977606337
Volume 2.4609262137557E+20
Height 6025346.4493495