12891946 (number)

12891946 is an even 8-digits composite number following 12891945 and preceding 12891947. In scientific notation, it is written as 1.2891946 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 6357600 positive integers (up to 12891946) that are relatively prime to 12891946.

Interesting facts

Basic properties

Name

Name twelve million eight hundred ninety-one thousand nine hundred forty-six

Notation

Scientific notation 1.2891946 × 10^7
Engineering notation 1.2891946 × 10^6

Prime Factorization of 12891946

Prime Factorization 2 × 73 × 88301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12891946
Product of the distinct prime numbers

The prime factorization of 12891946 is 2 × 73 × 88301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12891946)

Multiplication

n×y
n×2 25783892
n×3 38675838
n×4 51567784
n×5 64459730

Division

n÷y
n÷2 6445973
n÷3 4297315.3333333
n÷3 3222986.5
n÷5 2578389.2

Exponentiation

ny
n2 166202271666916
n3 2.1426707114072E+21
n4 2.7623195107243E+28
n5 3.5611673967005E+35

Nth Root

y√n
2√n 3590.5356146402
3√n 234.48019102755
4√n 59.921078216603
5√n 26.427963330786

Divisors of 12891946

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 -12891945
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 12891946 can be divided by 8 positive divisors. The sum of these divisors (counting 12891946) is 1, the average is 0.125.

Base conversion 12891946

Base System Value
2 Binary 110001001011011100101010
3 Ternary 220020222102111
4 Quaternary 301023130222
5 Quinary 11300020241
6 Senary 1140152534
8 Octal 61133452
10 Decimal 12891946
12 Duodecimal 439874a
16 Hexadecimal c4b72a
20 Vigesimal 40b9h6
36 Base36 7obhm

Cryptographic Hash Functions

md5 c3e7b632c14034588227929cb6f410fd
sha1 ebc96e7bb37c304bd441d9f5f211bdff961e8894
sha256 636a0adb4975a3fc68a62d4f0ce7693e44969d3a69a6a88a8d246acd954c030f
sha512 576a2a80f111b9481a12911db6c551a2484ecfd8a9448bf46bf699ea800203a3a196489a2475d1e2be295965d8c1bf957cbbea4980e04b970055f7d349b6c82c
ripemd-160 5dac14b2b6df1fb74925c7730da7160e4d962176

12891946 as geometric shapes

Circle

Radius = n
Diameter 25783892
Circumference 81002485.688153
Area 5.2213983567872E+14

Sphere

Radius = n
Volume 8.9751980880252E+21
Surface area 2.0885593427149E+15
Circumference 81002485.688153

Square

Length = n
Perimeter 51567784
Area 166202271666916
Diagonal 18231964.878582

Cube

Length = n
Surface area 997213630001496
Volume 2.1426707114072E+21
Space diagonal 22329505.480434

Equilateral Triangle

Length = n
Perimeter 38675838
Area 71967694715116
Altitude 11164752.740217

Triangular Pyramid

Length = n
Surface area 71967694715116
Volume 2.5251616498097E+20
Height 6077321.6261939