12461981 (number)

12461981 is an odd 8-digits composite number following 12461980 and preceding 12461982. In scientific notation, it is written as 1.2461981 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10681692 positive integers (up to 12461981) that are relatively prime to 12461981.

Interesting facts

Basic properties

Name

Name twelve million four hundred sixty-one thousand nine hundred eighty-one

Notation

Scientific notation 1.2461981 × 10^7
Engineering notation 1.2461981 × 10^6

Prime Factorization of 12461981

Prime Factorization 7 × 1780283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12461981
Product of the distinct prime numbers

The prime factorization of 12461981 is 7 × 1780283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12461981)

Multiplication

n×y
n×2 24923962
n×3 37385943
n×4 49847924
n×5 62309905

Division

n÷y
n÷2 6230990.5
n÷3 4153993.6666667
n÷3 3115495.25
n÷5 2492396.2

Exponentiation

ny
n2 155300970444361
n3 1.9353577429592E+21
n4 2.411839142096E+28
n5 3.0056293563857E+35

Nth Root

y√n
2√n 3530.1531128267
3√n 231.84391130773
4√n 59.415091625165
5√n 26.249281296715

Divisors of 12461981

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 -12461980
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 12461981 can be divided by 4 positive divisors. The sum of these divisors (counting 12461981) is 1, the average is 0.25.

Base conversion 12461981

Base System Value
2 Binary 101111100010011110011101
3 Ternary 212110010121212
4 Quaternary 233202132131
5 Quinary 11142240411
6 Senary 1123034205
8 Octal 57423635
10 Decimal 12461981
12 Duodecimal 420b965
16 Hexadecimal be279d
20 Vigesimal 3hhej1
36 Base36 7f3q5

Cryptographic Hash Functions

md5 1d5cb4ee2075c294af392f54e50d04d5
sha1 0f55ecb373400e0e7ba6893c0ced71afe5d6a4db
sha256 1e6146f571a948399dfe3bddb50a7e28899daabd06eea7a93903cecd0d3ff6aa
sha512 6f87a3706ff6d666caf72b5479a25dbb736257fef90c8c499da5bad91b513155b9cb5dd44ee5ce5af9ed4004ea380717c3e794b9fc2235ac68874f792a635a60
ripemd-160 7edf4b57b39e6c7ac770367302ae615c7686e69d

12461981 as geometric shapes

Circle

Radius = n
Diameter 24923962
Circumference 78300935.917551
Area 4.8789238784337E+14

Sphere

Radius = n
Volume 8.1068075564649E+21
Surface area 1.9515695513735E+15
Circumference 78300935.917551

Square

Length = n
Perimeter 49847924
Area 155300970444361
Diagonal 17623902.544236

Cube

Length = n
Surface area 931805822666166
Volume 1.9353577429592E+21
Space diagonal 21584784.254958

Equilateral Triangle

Length = n
Perimeter 37385943
Area 67247292818596
Altitude 10792392.127479

Triangular Pyramid

Length = n
Surface area 67247292818596
Volume 2.2808409734472E+20
Height 5874634.1814119