12771981 (number)

12771981 is an odd 8-digits composite number following 12771980 and preceding 12771982. In scientific notation, it is written as 1.2771981 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 8013696 positive integers (up to 12771981) that are relatively prime to 12771981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2771981 × 10^7
Engineering notation 1.2771981 × 10^6

Prime Factorization of 12771981

Prime Factorization 9 × 17 × 83477

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12771981
Product of the distinct prime numbers

The prime factorization of 12771981 is 9 × 17 × 83477. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12771981)

Multiplication

n×y
n×2 25543962
n×3 38315943
n×4 51087924
n×5 63859905

Division

n÷y
n÷2 6385990.5
n÷3 4257327
n÷3 3192995.25
n÷5 2554396.2

Exponentiation

ny
n2 163123498664361
n3 2.0834102255947E+21
n4 2.6609275816502E+28
n5 3.3985316515212E+35

Nth Root

y√n
2√n 3573.7908444675
3√n 233.75061092046
4√n 59.781191393845
5√n 26.378594557156

Divisors of 12771981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12771980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12771981 can be divided by 8 positive divisors. The sum of these divisors (counting 12771981) is 1, the average is 0.125.

Base conversion 12771981

Base System Value
2 Binary 110000101110001010001101
3 Ternary 220000212212100
4 Quaternary 300232022031
5 Quinary 11232200411
6 Senary 1133425313
8 Octal 60561215
10 Decimal 12771981
12 Duodecimal 433b239
16 Hexadecimal c2e28d
20 Vigesimal 3jg9j1
36 Base36 7lqx9

Cryptographic Hash Functions

md5 d736dc0a2689dbf464a71b5bfec7c862
sha1 08ea51bbadf28901160819239aa37d73fd136b6a
sha256 63a04828ad82b4f83ebeba8566c18414c8943dd6917f5fbb37454ea0a3a46c21
sha512 92dd5bcb1ac5943e4ac382abf26fb3f50538b428ea73a39319efe5389ec535b5dd2bb78d2f925db784d5da195299db9f4bd33bf5476d6b3ebed2b11a5780be0e
ripemd-160 0857020eb53f907e9d2bc0f7125afbedc32e8391

12771981 as geometric shapes

Circle

Radius = n
Diameter 25543962
Circumference 80248723.362777
Area 5.1246758503182E+14

Sphere

Radius = n
Volume 8.7269683455231E+21
Surface area 2.0498703401273E+15
Circumference 80248723.362777

Square

Length = n
Perimeter 51087924
Area 163123498664361
Diagonal 18062308.748571

Cube

Length = n
Surface area 978740991986166
Volume 2.0834102255947E+21
Space diagonal 22121720.005304

Equilateral Triangle

Length = n
Perimeter 38315943
Area 70634546898767
Altitude 11060860.002652

Triangular Pyramid

Length = n
Surface area 70634546898767
Volume 2.4553224975191E+20
Height 6020769.5828572