128946 (number)

128946 is an even 6-digits composite number following 128945 and preceding 128947. In scientific notation, it is written as 1.28946 × 10^5. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 42980 positive integers (up to 128946) that are relatively prime to 128946.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand nine hundred forty-six

Notation

Scientific notation 1.28946 × 10^5
Engineering notation 1.28946 × 10^3

Prime Factorization of 128946

Prime Factorization 2 × 3 × 21491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128946
Product of the distinct prime numbers

The prime factorization of 128946 is 2 × 3 × 21491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128946)

Multiplication

n×y
n×2 257892
n×3 386838
n×4 515784
n×5 644730

Division

n÷y
n÷2 64473
n÷3 42982
n÷3 32236.5
n÷5 25789.2

Exponentiation

ny
n2 16627070916
n3 2143994286334536
n4 2.7645948724569E+20
n5 3.5648345042383E+25

Nth Root

y√n
2√n 359.09051783638
3√n 50.520692105272
4√n 18.949683845288
5√n 10.521594857159

Divisors of 128946

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 -128945
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 128946 can be divided by 8 positive divisors. The sum of these divisors (counting 128946) is 1, the average is 0.125.

Base conversion 128946

Base System Value
2 Binary 11111011110110010
3 Ternary 20112212210
4 Quaternary 133132302
5 Quinary 13111241
6 Senary 2432550
8 Octal 373662
10 Decimal 128946
12 Duodecimal 62756
16 Hexadecimal 1f7b2
20 Vigesimal g276
36 Base36 2rhu

Cryptographic Hash Functions

md5 e33030029225bf3926d5079667a0a566
sha1 1fd76600a164c590a5a1586371353fde4e2051e3
sha256 3a73bce5be65dbe3590c5384f40b2d62da86627ff68db8748e42b0f383568680
sha512 074611629f8f77272691bf0a8f573b0b81decbe083a9b91bfd4401cec98568662c439f1ef162f9e59ed7d4161dfdff26f36feb774d83a2e560470ff1a5416703
ripemd-160 e738c01c5c05d53fa17f61afaae4e86d4e4d36d8

128946 as geometric shapes

Circle

Radius = n
Diameter 257892
Circumference 810191.61261958
Area 52235483840.422

Sphere

Radius = n
Volume 8.9807422657161E+15
Surface area 208941935361.69
Circumference 810191.61261958

Square

Length = n
Perimeter 515784
Area 16627070916
Diagonal 182357.18201376

Cube

Length = n
Surface area 99762425496
Volume 2143994286334536
Space diagonal 223341.02343278

Equilateral Triangle

Length = n
Perimeter 386838
Area 7199732901.8907
Altitude 111670.51171639

Triangular Pyramid

Length = n
Surface area 7199732901.8907
Volume 2.5267214978206E+14
Height 60785.72733792