12781331 (number)

12781331 is an odd 8-digits composite number following 12781330 and preceding 12781332. In scientific notation, it is written as 1.2781331 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 11456640 positive integers (up to 12781331) that are relatively prime to 12781331.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eighty-one thousand three hundred thirty-one

Notation

Scientific notation 1.2781331 × 10^7
Engineering notation 1.2781331 × 10^6

Prime Factorization of 12781331

Prime Factorization 17 × 31 × 307 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12781331
Product of the distinct prime numbers

The prime factorization of 12781331 is 17 × 31 × 307 × 79. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 2, 2, 308, 892, 593, 1096, 94058, 8135, 589873, 129679, 8876246, 875122, 59708080, 17065496, 374467448, 125684828, 7016444204, 3984485900

Basic calculations (n = 12781331)

Multiplication

n×y
n×2 25562662
n×3 38343993
n×4 51125324
n×5 63906655

Division

n÷y
n÷2 6390665.5
n÷3 4260443.6666667
n÷3 3195332.75
n÷5 2556266.2

Exponentiation

ny
n2 163362422131561
n3 2.0879891902252E+21
n4 2.668728096469E+28
n5 3.4109897149971E+35

Nth Root

y√n
2√n 3575.0987398952
3√n 233.80763770689
4√n 59.79212941429
5√n 26.382455628788

Divisors of 12781331

1, 17, 31, 79, 307, 527, 1343, 2449, 5219, 9517, 24253, 41633, 161789, 412301, 751843, 12781331

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 -12781330
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 12781331 can be divided by 16 positive divisors. The sum of these divisors (counting 12781331) is 1, the average is 0.0625.

Base conversion 12781331

Base System Value
2 Binary 110000110000011100010011
3 Ternary 220001100200122
4 Quaternary 300300130103
5 Quinary 11233000311
6 Senary 1133540455
8 Octal 60603423
10 Decimal 12781331
12 Duodecimal 434472b
16 Hexadecimal c30713
20 Vigesimal 3jhd6b
36 Base36 7ly4z

Cryptographic Hash Functions

md5 b23477ddc2e6eacc05c8c8537ef7cd23
sha1 2e924e3b5eaf19a26b497b3a4a4a42042a776c7e
sha256 3c298234ab71b41d91a7a7617f311c217418618a16d431e9a4c637512f291f56
sha512 1942b9666b20fc76a170d18c062dd73e6878261e79faf9a03b78c38846dbe1d034a451448a63927f3e461143e1f90770e9e763e7ff21a8e866ca5b22b641f31e
ripemd-160 50cdd73f0ab348990e65e82dd9d36f4f29b9013b

12781331 as geometric shapes

Circle

Radius = n
Diameter 25562662
Circumference 80307471.145399
Area 5.1321818524115E+14

Sphere

Radius = n
Volume 8.7461486677152E+21
Surface area 2.0528727409646E+15
Circumference 80307471.145399

Square

Length = n
Perimeter 51125324
Area 163362422131561
Diagonal 18075531.64538

Cube

Length = n
Surface area 980174532789366
Volume 2.0879891902252E+21
Space diagonal 22137914.680355

Equilateral Triangle

Length = n
Perimeter 38343993
Area 70738003794845
Altitude 11068957.340178

Triangular Pyramid

Length = n
Surface area 70738003794845
Volume 2.4607188590874E+20
Height 6025177.2151266