12781394 (number)

12781394 is an even 8-digits composite number following 12781393 and preceding 12781395. In scientific notation, it is written as 1.2781394 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 6390696 positive integers (up to 12781394) that are relatively prime to 12781394.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand three hundred ninety-four

Notation

Scientific notation 1.2781394 × 10^7
Engineering notation 1.2781394 × 10^6

Prime Factorization of 12781394

Prime Factorization 2 × 6390697

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12781394
Product of the distinct prime numbers

The prime factorization of 12781394 is 2 × 6390697. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 1, 21, 47, 401, 553, 3278, 57, 78696, 33654, 848421, 684125, 4585638, 2074471, 49357259, 50060686, 403895617, 641560573, 8970604703, 9356389709

Basic calculations (n = 12781394)

Multiplication

n×y
n×2 25562788
n×3 38344182
n×4 51125576
n×5 63906970

Division

n÷y
n÷2 6390697
n÷3 4260464.6666667
n÷3 3195348.5
n÷5 2556278.8

Exponentiation

ny
n2 163364032583236
n3 2.0880200658752E+21
n4 2.6687807141857E+28
n5 3.4110737807608E+35

Nth Root

y√n
2√n 3575.1075508298
3√n 233.8080218572
4√n 59.792203093963
5√n 26.3824816369

Divisors of 12781394

1, 2, 6390697, 12781394

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12781393
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12781394 can be divided by 4 positive divisors. The sum of these divisors (counting 12781394) is 1, the average is 0.25.

Base conversion 12781394

Base System Value
2 Binary 110000110000011101010010
3 Ternary 220001100202222
4 Quaternary 300300131102
5 Quinary 11233001034
6 Senary 1133541042
8 Octal 60603522
10 Decimal 12781394
12 Duodecimal 4344782
16 Hexadecimal c30752
20 Vigesimal 3jhd9e
36 Base36 7ly6q

Cryptographic Hash Functions

md5 eecc24d00eff5b68c1260af257567522
sha1 d989528eda95aeced5d3475599aae9703dafef24
sha256 c4017ae8c1b0da066ee89dd7e9552d9d2bd11a2c446bf777f457572408631b20
sha512 7a53dcae70a889a376243d6b5c5e2ef90723c7e7b6f07db17027f3a4ede3d31dc07642de64682fead322ca795e819cc776b218515eb250a7d61ace31412f397e
ripemd-160 ed3d867d581b5f76ea4617a4ac4b93f14bf134ec

12781394 as geometric shapes

Circle

Radius = n
Diameter 25562788
Circumference 80307866.986073
Area 5.132232446243E+14

Sphere

Radius = n
Volume 8.7462779993354E+21
Surface area 2.0528929784972E+15
Circumference 80307866.986073

Square

Length = n
Perimeter 51125576
Area 163364032583236
Diagonal 18075620.740834

Cube

Length = n
Surface area 980184195499416
Volume 2.0880200658752E+21
Space diagonal 22138023.799556

Equilateral Triangle

Length = n
Perimeter 38344182
Area 70738701140876
Altitude 11069011.899778

Triangular Pyramid

Length = n
Surface area 70738701140876
Volume 2.4607552463899E+20
Height 6025206.9136114