12821428 (number)

12821428 is an even 8-digits composite number following 12821427 and preceding 12821429. In scientific notation, it is written as 1.2821428 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 5987520 positive integers (up to 12821428) that are relatively prime to 12821428.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand four hundred twenty-eight

Notation

Scientific notation 1.2821428 × 10^7
Engineering notation 1.2821428 × 10^6

Prime Factorization of 12821428

Prime Factorization 2 × 2 × 19 × 73 × 2311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6410714
Product of the distinct prime numbers

The prime factorization of 12821428 is 2 × 2 × 19 × 73 × 2311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 13, 82, 783, 842, 9846, 8219, 94991, 75977, 656335, 777400, 8999806, 8731082, 46055613, 37204713, 781707325, 89793756, 5715660420, 615524444

Basic calculations (n = 12821428)

Multiplication

n×y
n×2 25642856
n×3 38464284
n×4 51285712
n×5 64107140

Division

n÷y
n÷2 6410714
n÷3 4273809.3333333
n÷3 3205357
n÷5 2564285.6

Exponentiation

ny
n2 164389015959184
n3 2.1077019321115E+21
n4 2.7023748568029E+28
n5 3.4648304655509E+35

Nth Root

y√n
2√n 3580.702165777
3√n 234.05187930975
4√n 59.83896862227
5√n 26.398988059599

Divisors of 12821428

1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2311, 2774, 4622, 5548, 9244, 43909, 87818, 168703, 175636, 337406, 674812, 3205357, 6410714, 12821428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821428 can be divided by 24 positive divisors. The sum of these divisors (counting 12821428) is 1, the average is 0.041666666666667.

Base conversion 12821428

Base System Value
2 Binary 110000111010001110110100
3 Ternary 220010101200201
4 Quaternary 300322032310
5 Quinary 11240241203
6 Senary 1134450244
8 Octal 60721664
10 Decimal 12821428
12 Duodecimal 4363984
16 Hexadecimal c3a3b4
20 Vigesimal 402db8
36 Base36 7mt2s

Cryptographic Hash Functions

md5 d70aac56b00e7ee19d3662ea4350184c
sha1 8d94bf2bb49f6aee6b4943e344c9d03c267fdcd1
sha256 f5f2956e5e76c98f044b42b77bf8c75a245f33c9f4070b9202a747dcc80eaf72
sha512 0247bfdb7046526ac0fbfd177c0c92c0dde4c70b76b48ec9c4bf0c1412f70d25bc2a5fd7f6905433fb849c6ceb898522e5715965ffbd9067bcf06a0f1b8f1210
ripemd-160 222c0a0081e92389cdb0d974d834bacc41dc5aa2

12821428 as geometric shapes

Circle

Radius = n
Diameter 25642856
Circumference 80559408.026661
Area 5.1644332486823E+14

Sphere

Radius = n
Volume 8.8287212078381E+21
Surface area 2.0657732994729E+15
Circumference 80559408.026661

Square

Length = n
Perimeter 51285712
Area 164389015959184
Diagonal 18132237.36659

Cube

Length = n
Surface area 986334095755104
Volume 2.1077019321115E+21
Space diagonal 22207364.721586

Equilateral Triangle

Length = n
Perimeter 38464284
Area 71182531961889
Altitude 11103682.360793

Triangular Pyramid

Length = n
Surface area 71182531961889
Volume 2.4839505481934E+20
Height 6044079.1221967