12747981 (number)

12747981 is an odd 8-digits composite number following 12747980 and preceding 12747982. In scientific notation, it is written as 1.2747981 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 8498652 positive integers (up to 12747981) that are relatively prime to 12747981.

Interesting facts

Basic properties

Name

Name twelve million seven hundred forty-seven thousand nine hundred eighty-one

Notation

Scientific notation 1.2747981 × 10^7
Engineering notation 1.2747981 × 10^6

Prime Factorization of 12747981

Prime Factorization 3 × 4249327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12747981
Product of the distinct prime numbers

The prime factorization of 12747981 is 3 × 4249327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12747981)

Multiplication

n×y
n×2 25495962
n×3 38243943
n×4 50991924
n×5 63739905

Division

n÷y
n÷2 6373990.5
n÷3 4249327
n÷3 3186995.25
n÷5 2549596.2

Exponentiation

ny
n2 162511019576361
n3 2.0716873898501E+21
n4 2.6409831483748E+28
n5 3.3667202996803E+35

Nth Root

y√n
2√n 3570.4314865293
3√n 233.60410448354
4√n 59.753087673603
5√n 26.368673423341

Divisors of 12747981

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 -12747980
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 12747981 can be divided by 4 positive divisors. The sum of these divisors (counting 12747981) is 1, the average is 0.25.

Base conversion 12747981

Base System Value
2 Binary 110000101000010011001101
3 Ternary 212222122221110
4 Quaternary 300220103031
5 Quinary 11230413411
6 Senary 1133122233
8 Octal 60502315
10 Decimal 12747981
12 Duodecimal 4329379
16 Hexadecimal c284cd
20 Vigesimal 3jd9j1
36 Base36 7l8el

Cryptographic Hash Functions

md5 66e146ba40c7d94d7b1ffe4a91735cb1
sha1 04c9308878bc94f75486eab749f2bb6f684fc21a
sha256 a7bfb41fb0e0e7a7d16142e25f64c8f706cf3bf95476f954bed81a93eda8b2bf
sha512 dbdba8a8dcea35e9b1120664c3430dd96a0e2f350e450d80f928a43cd94e39cffddc502f557b2fc47615ccb369840aab8b2f5f5e8479aced9835862034d9f4f7
ripemd-160 ff30ac651b2e35eb40551a0bbd185fdddff90efe

12747981 as geometric shapes

Circle

Radius = n
Diameter 25495962
Circumference 80097926.915405
Area 5.1054342522848E+14

Sphere

Radius = n
Volume 8.6778638459835E+21
Surface area 2.0421737009139E+15
Circumference 80097926.915405

Square

Length = n
Perimeter 50991924
Area 162511019576361
Diagonal 18028367.623075

Cube

Length = n
Surface area 975066117458166
Volume 2.0716873898501E+21
Space diagonal 22080150.785923

Equilateral Triangle

Length = n
Perimeter 38243943
Area 70369335674019
Altitude 11040075.392961

Triangular Pyramid

Length = n
Surface area 70369335674019
Volume 2.4415070031027E+20
Height 6009455.8743582