12781290 (number)

12781290 is an even 8-digits composite number following 12781289 and preceding 12781291. In scientific notation, it is written as 1.2781290 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 3369344 positive integers (up to 12781290) that are relatively prime to 12781290.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2781290 × 10^7
Engineering notation 1.2781290 × 10^6

Prime Factorization of 12781290

Prime Factorization 2 × 3 × 5 × 89 × 4787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12781290
Product of the distinct prime numbers

The prime factorization of 12781290 is 2 × 3 × 5 × 89 × 4787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12781290)

Multiplication

n×y
n×2 25562580
n×3 38343870
n×4 51125160
n×5 63906450

Division

n÷y
n÷2 6390645
n÷3 4260430
n÷3 3195322.5
n÷5 2556258

Exponentiation

ny
n2 163361374064100
n3 2.0879690967117E+21
n4 2.6686938536111E+28
n5 3.4109350064221E+35

Nth Root

y√n
2√n 3575.0930057832
3√n 233.80738770363
4√n 59.79208146388
5√n 26.382438702819

Divisors of 12781290

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 -12781289
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 12781290 can be divided by 32 positive divisors. The sum of these divisors (counting 12781290) is 1, the average is 0.03125.

Base conversion 12781290

Base System Value
2 Binary 110000110000011011101010
3 Ternary 220001100122010
4 Quaternary 300300123222
5 Quinary 11233000130
6 Senary 1133540350
8 Octal 60603352
10 Decimal 12781290
12 Duodecimal 43446b6
16 Hexadecimal c306ea
20 Vigesimal 3jhd4a
36 Base36 7ly3u

Cryptographic Hash Functions

md5 06010cba1dbd65fcd0c50f5bcd1b61bb
sha1 9d91803ccc22395d6c1419a9e5b6df7093943cf8
sha256 0e5d224849a26fee9ecbbf5ef30eba08bda77f698257addfd5a967111ab24571
sha512 44649087c31df1b7dd3a4d435a7bf7c6bda3bdc632b5125519e99f78887d7e1265ff42d99289449ad88e815f08b592ef8a706cc8ed5f138c6988b72b580a64f2
ripemd-160 75a1c7e092a161d9fe9d9b57cfd4cc1bf56e5368

12781290 as geometric shapes

Circle

Radius = n
Diameter 25562580
Circumference 80307213.534801
Area 5.1321489264011E+14

Sphere

Radius = n
Volume 8.7460645002028E+21
Surface area 2.0528595705604E+15
Circumference 80307213.534801

Square

Length = n
Perimeter 51125160
Area 163361374064100
Diagonal 18075473.662624

Cube

Length = n
Surface area 980168244384600
Volume 2.0879690967117E+21
Space diagonal 22137843.666272

Equilateral Triangle

Length = n
Perimeter 38343870
Area 70737549968321
Altitude 11068921.833136

Triangular Pyramid

Length = n
Surface area 70737549968321
Volume 2.4606951786547E+20
Height 6025157.8875412