12981208 (number)

12981208 is an even 8-digits composite number following 12981207 and preceding 12981209. In scientific notation, it is written as 1.2981208 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 6479616 positive integers (up to 12981208) that are relatively prime to 12981208.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand two hundred eight

Notation

Scientific notation 1.2981208 × 10^7
Engineering notation 1.2981208 × 10^6

Prime Factorization of 12981208

Prime Factorization 2 × 2 × 2 × 859 × 1889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3245302
Product of the distinct prime numbers

The prime factorization of 12981208 is 2 × 2 × 2 × 859 × 1889. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981208)

Multiplication

n×y
n×2 25962416
n×3 38943624
n×4 51924832
n×5 64906040

Division

n÷y
n÷2 6490604
n÷3 4327069.3333333
n÷3 3245302
n÷5 2596241.6

Exponentiation

ny
n2 168511761139264
n3 2.1874862217951E+21
n4 2.8396213642256E+28
n5 3.6861715570257E+35

Nth Root

y√n
2√n 3602.9443514992
3√n 235.02011597834
4√n 60.024531247642
5√n 26.46445908536

Divisors of 12981208

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 -12981207
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 12981208 can be divided by 16 positive divisors. The sum of these divisors (counting 12981208) is 1, the average is 0.0625.

Base conversion 12981208

Base System Value
2 Binary 110001100001001111011000
3 Ternary 220102111212111
4 Quaternary 301201033120
5 Quinary 11310344313
6 Senary 1142122104
8 Octal 61411730
10 Decimal 12981208
12 Duodecimal 4420334
16 Hexadecimal c613d8
20 Vigesimal 412d08
36 Base36 7q8d4

Cryptographic Hash Functions

md5 6228320a3228bff0180ef0a449edd5e1
sha1 c3d3c250d0a1f9bb5412730b2ea17aaac75405ff
sha256 81f8cf5a05e3e2bef06876812d2c1592eb5d71c1d1404536b2ddd575df888c85
sha512 709282716f2f6a0534ba13ddc85dcdc5ecca3e5479ed150448bb0fba032934c1f7f55c37c25a7289be5f51b4a6b2c40d94c1ce33fcd512fdc49e4952204d761f
ripemd-160 8d8245abf8be680f4b58fda8bb0b80801d79f8aa

12981208 as geometric shapes

Circle

Radius = n
Diameter 25962416
Circumference 81563335.375042
Area 5.2939531083859E+14

Sphere

Radius = n
Volume 9.1629208589605E+21
Surface area 2.1175812433544E+15
Circumference 81563335.375042

Square

Length = n
Perimeter 51924832
Area 168511761139264
Diagonal 18358200.409586

Cube

Length = n
Surface area 1011070566835584
Volume 2.1874862217951E+21
Space diagonal 22484111.79962

Equilateral Triangle

Length = n
Perimeter 38943624
Area 72967732991529
Altitude 11242055.89981

Triangular Pyramid

Length = n
Surface area 72967732991529
Volume 2.5779772353058E+20
Height 6119400.1365287