12989945 (number)

12989945 is an odd 8-digits composite number following 12989944 and preceding 12989946. In scientific notation, it is written as 1.2989945 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 10360624 positive integers (up to 12989945) that are relatively prime to 12989945.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-nine thousand nine hundred forty-five

Notation

Scientific notation 1.2989945 × 10^7
Engineering notation 1.2989945 × 10^6

Prime Factorization of 12989945

Prime Factorization 5 × 347 × 7487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12989945
Product of the distinct prime numbers

The prime factorization of 12989945 is 5 × 347 × 7487. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12989945)

Multiplication

n×y
n×2 25979890
n×3 38969835
n×4 51959780
n×5 64949725

Division

n÷y
n÷2 6494972.5
n÷3 4329981.6666667
n÷3 3247486.25
n÷5 2597989

Exponentiation

ny
n2 168738671103025
n3 2.1919060570014E+21
n4 2.8472739125615E+28
n5 3.6985931524108E+35

Nth Root

y√n
2√n 3604.156628117
3√n 235.0728309042
4√n 60.034628574824
5√n 26.468020506687

Divisors of 12989945

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 -12989944
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 12989945 can be divided by 8 positive divisors. The sum of these divisors (counting 12989945) is 1, the average is 0.125.

Base conversion 12989945

Base System Value
2 Binary 110001100011010111111001
3 Ternary 220102221212002
4 Quaternary 301203113321
5 Quinary 11311134240
6 Senary 1142230345
8 Octal 61432771
10 Decimal 12989945
12 Duodecimal 44253b5
16 Hexadecimal c635f9
20 Vigesimal 413eh5
36 Base36 7qf3t

Cryptographic Hash Functions

md5 7ef0910ae0061b39020c29d5121547a6
sha1 1b6b4159249994e13b2bc397f26ed87f06c15c47
sha256 780014315f37a9cccded07d0a2f1a63c253a9a10988ed423ab9759c8b38460fd
sha512 2794952dd0e9d791e20d5d51a63240da4fed3ef51a8b3ed8429f0a066463d81c70ca4c003410f4a6f8f5a41281c4d70ff911896fcd0876c5585b8ff513ec1db3
ripemd-160 3a3f762137de8061abc1cfd5f759322f2593d5d9

12989945 as geometric shapes

Circle

Radius = n
Diameter 25979890
Circumference 81618231.565071
Area 5.3010816951377E+14

Sphere

Radius = n
Volume 9.1814346213794E+21
Surface area 2.1204326780551E+15
Circumference 81618231.565071

Square

Length = n
Perimeter 51959780
Area 168738671103025
Diagonal 18370556.393481

Cube

Length = n
Surface area 1012432026618150
Volume 2.1919060570014E+21
Space diagonal 22499244.727525

Equilateral Triangle

Length = n
Perimeter 38969835
Area 73065987888023
Altitude 11249622.363763

Triangular Pyramid

Length = n
Surface area 73065987888023
Volume 2.5831860610492E+20
Height 6123518.7978269