12906981 (number)

12906981 is an odd 8-digits composite number following 12906980 and preceding 12906982. In scientific notation, it is written as 1.2906981 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 8604648 positive integers (up to 12906981) that are relatively prime to 12906981.

Interesting facts

Basic properties

Name

Name twelve million nine hundred six thousand nine hundred eighty-one

Notation

Scientific notation 1.2906981 × 10^7
Engineering notation 1.2906981 × 10^6

Prime Factorization of 12906981

Prime Factorization 3 × 3 × 1434109

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4302327
Product of the distinct prime numbers

The prime factorization of 12906981 is 3 × 3 × 1434109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12906981)

Multiplication

n×y
n×2 25813962
n×3 38720943
n×4 51627924
n×5 64534905

Division

n÷y
n÷2 6453490.5
n÷3 4302327
n÷3 3226745.25
n÷5 2581396.2

Exponentiation

ny
n2 166590158534361
n3 2.15017601099E+21
n4 2.7752280920504E+28
n5 3.581981625476E+35

Nth Root

y√n
2√n 3592.6287033313
3√n 234.57130838297
4√n 59.938541051074
5√n 26.434124684549

Divisors of 12906981

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12906980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12906981 can be divided by 6 positive divisors. The sum of these divisors (counting 12906981) is 1, the average is 0.16666666666667.

Base conversion 12906981

Base System Value
2 Binary 110001001111000111100101
3 Ternary 220021202001100
4 Quaternary 301033013211
5 Quinary 11301010411
6 Senary 1140350313
8 Octal 61170745
10 Decimal 12906981
12 Duodecimal 43a5399
16 Hexadecimal c4f1e5
20 Vigesimal 40d791
36 Base36 7on39

Cryptographic Hash Functions

md5 16e0b93861e4783a4ae9ec9d0046a7af
sha1 65430b0c2ec106c43956dc61a7bb7ce2d22573bd
sha256 f1bb97b796e96172791300dfb945f2ae43abd96075ca2fd9ad511e2b0a98f43e
sha512 9bb70728eaa1bfeb88d0dde477b0450d6b4546329234266bf2a0f5ffa6cb9ca827cb7f14cf9cd8113a646f7d00ffa9ba6bb0a8fe0bab58c905ac21ed5c38911d
ripemd-160 b66cc3fda22b6226dc5da4c55ca9376424ec6137

12906981 as geometric shapes

Circle

Radius = n
Diameter 25813962
Circumference 81096953.379246
Area 5.2335841821191E+14

Sphere

Radius = n
Volume 9.0066362134015E+21
Surface area 2.0934336728476E+15
Circumference 81096953.379246

Square

Length = n
Perimeter 51627924
Area 166590158534361
Diagonal 18253227.579492

Cube

Length = n
Surface area 999540951206166
Volume 2.15017601099E+21
Space diagonal 22355546.864326

Equilateral Triangle

Length = n
Perimeter 38720943
Area 72135654655617
Altitude 11177773.432163

Triangular Pyramid

Length = n
Surface area 72135654655617
Volume 2.5340067301928E+20
Height 6084409.193164