12856890 (number)

12856890 is an even 8-digits composite number following 12856889 and preceding 12856891. In scientific notation, it is written as 1.2856890 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 3428496 positive integers (up to 12856890) that are relatively prime to 12856890.

Interesting facts

Basic properties

Name

Name twelve million eight hundred fifty-six thousand eight hundred ninety

Notation

Scientific notation 1.2856890 × 10^7
Engineering notation 1.2856890 × 10^6

Prime Factorization of 12856890

Prime Factorization 2 × 3 × 5 × 428563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12856890
Product of the distinct prime numbers

The prime factorization of 12856890 is 2 × 3 × 5 × 428563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 71, 54, 725, 784, 1313, 1345, 72279, 62069, 383555, 668093, 129317, 5534225, 79539410, 35641035, 661404859, 974134553, 1632309177, 327483250

Basic calculations (n = 12856890)

Multiplication

n×y
n×2 25713780
n×3 38570670
n×4 51427560
n×5 64284450

Division

n÷y
n÷2 6428445
n÷3 4285630
n÷3 3214222.5
n÷5 2571378

Exponentiation

ny
n2 165299620472100
n3 2.1252390374515E+21
n4 2.732396452822E+28
n5 3.5130120630323E+35

Nth Root

y√n
2√n 3585.6505685858
3√n 234.26746391221
4√n 59.880302008138
5√n 26.413574998309

Divisors of 12856890

1, 2, 3, 5, 6, 10, 15, 30, 428563, 857126, 1285689, 2142815, 2571378, 4285630, 6428445, 12856890

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 -12856889
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 12856890 can be divided by 16 positive divisors. The sum of these divisors (counting 12856890) is 1, the average is 0.0625.

Base conversion 12856890

Base System Value
2 Binary 110001000010111000111010
3 Ternary 220012012100010
4 Quaternary 301002320322
5 Quinary 11242410030
6 Senary 1135322350
8 Octal 61027072
10 Decimal 12856890
12 Duodecimal 43803b6
16 Hexadecimal c42e3a
20 Vigesimal 40724a
36 Base36 7nkfu

Cryptographic Hash Functions

md5 7b73c17de3e90b0bf866098bb5c7d8f7
sha1 8e72d76e132f20c62b00ba7cbcd94b69fd6332a8
sha256 0dd24733fe3bc81b1f21c4258eb0a97aae469339516d1dd25328517b0e781182
sha512 661f2c26816da133ad689f06b7da9c7252937ed0d3699f455cb0b641aceaf1c6d19611aaa1b3065f55c26a1a1d3a5a03dd38c12c1effdcd2f523b276a17d671c
ripemd-160 287e50d1331c41092e69357d24a3ebc326564067

12856890 as geometric shapes

Circle

Radius = n
Diameter 25713780
Circumference 80782222.344024
Area 5.1930407331633E+14

Sphere

Radius = n
Volume 8.9021804629067E+21
Surface area 2.0772162932653E+15
Circumference 80782222.344024

Square

Length = n
Perimeter 51427560
Area 165299620472100
Diagonal 18182388.207939

Cube

Length = n
Surface area 991797722832600
Volume 2.1252390374515E+21
Space diagonal 22268786.707324

Equilateral Triangle

Length = n
Perimeter 38570670
Area 71576835282382
Altitude 11134393.353662

Triangular Pyramid

Length = n
Surface area 71576835282382
Volume 2.5046182250406E+20
Height 6060796.069313