12890745 (number)

12890745 is an odd 8-digits composite number following 12890744 and preceding 12890746. In scientific notation, it is written as 1.2890745 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 5891616 positive integers (up to 12890745) that are relatively prime to 12890745.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 1.2890745 × 10^7
Engineering notation 1.2890745 × 10^6

Prime Factorization of 12890745

Prime Factorization 189 × 15 × 4547

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12890745
Product of the distinct prime numbers

The prime factorization of 12890745 is 189 × 15 × 4547. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12890745)

Multiplication

n×y
n×2 25781490
n×3 38672235
n×4 51562980
n×5 64453725

Division

n÷y
n÷2 6445372.5
n÷3 4296915
n÷3 3222686.25
n÷5 2578149

Exponentiation

ny
n2 166171306655025
n3 2.1420719404067E+21
n4 2.7612903155438E+28
n5 3.5595089328645E+35

Nth Root

y√n
2√n 3590.3683655023
3√n 234.47290949289
4√n 59.919682621843
5√n 26.427470912236

Divisors of 12890745

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 -12890744
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 12890745 can be divided by 8 positive divisors. The sum of these divisors (counting 12890745) is 1, the average is 0.125.

Base conversion 12890745

Base System Value
2 Binary 110001001011001001111001
3 Ternary 220020220210000
4 Quaternary 301023021321
5 Quinary 11300000440
6 Senary 1140143213
8 Octal 61131171
10 Decimal 12890745
12 Duodecimal 4397b09
16 Hexadecimal c4b279
20 Vigesimal 40b6h5
36 Base36 7oak9

Cryptographic Hash Functions

md5 908106a46da1d8dadfe549485586b8b2
sha1 e69f5810b5bb0543cccc33804c4a342f04dfbaaa
sha256 26550cfe5517392d4ee3cc6c18c09982f6554ec696a8b31b05a9deae9098f486
sha512 3cf69f64582ba80869f59fe71135acabbbfe1c0e2ab29db65f2c9b2b8c8811471324a402f7d69af01a350264667a4f35b40a55316e9264be8d2f1e9a6a377857
ripemd-160 e69c31d58bbd445095b197ebdd0103c3f952518a

12890745 as geometric shapes

Circle

Radius = n
Diameter 25781490
Circumference 80994939.582599
Area 5.2204255622484E+14

Sphere

Radius = n
Volume 8.9726899619235E+21
Surface area 2.0881702248994E+15
Circumference 80994939.582599

Square

Length = n
Perimeter 51562980
Area 166171306655025
Diagonal 18230266.408093

Cube

Length = n
Surface area 997027839930150
Volume 2.1420719404067E+21
Space diagonal 22327425.287414

Equilateral Triangle

Length = n
Perimeter 38672235
Area 71954286471653
Altitude 11163712.643707

Triangular Pyramid

Length = n
Surface area 71954286471653
Volume 2.5244559914184E+20
Height 6076755.4693644