12905428 (number)

12905428 is an even 8-digits composite number following 12905427 and preceding 12905429. In scientific notation, it is written as 1.2905428 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 6452712 positive integers (up to 12905428) that are relatively prime to 12905428.

Interesting facts

Basic properties

Name

Name twelve million nine hundred five thousand four hundred twenty-eight

Notation

Scientific notation 1.2905428 × 10^7
Engineering notation 1.2905428 × 10^6

Prime Factorization of 12905428

Prime Factorization 2 × 2 × 3226357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6452714
Product of the distinct prime numbers

The prime factorization of 12905428 is 2 × 2 × 3226357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12905428)

Multiplication

n×y
n×2 25810856
n×3 38716284
n×4 51621712
n×5 64527140

Division

n÷y
n÷2 6452714
n÷3 4301809.3333333
n÷3 3226357
n÷5 2581085.6

Exponentiation

ny
n2 166550071863184
n3 2.1493999608251E+21
n4 2.7738926437632E+28
n5 3.5798271793815E+35

Nth Root

y√n
2√n 3592.4125598266
3√n 234.5618999382
4√n 59.936737981197
5√n 26.433488530028

Divisors of 12905428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12905427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12905428 can be divided by 6 positive divisors. The sum of these divisors (counting 12905428) is 1, the average is 0.16666666666667.

Base conversion 12905428

Base System Value
2 Binary 110001001110101111010100
3 Ternary 220021122220211
4 Quaternary 301032233110
5 Quinary 11300433203
6 Senary 1140335204
8 Octal 61165724
10 Decimal 12905428
12 Duodecimal 43a4504
16 Hexadecimal c4ebd4
20 Vigesimal 40d3b8
36 Base36 7olw4

Cryptographic Hash Functions

md5 5f7db62ad2bbe71dfeffd53b49974bbf
sha1 6ad220610c0d6d55768b01b01eb9fe11a76043d5
sha256 bf7d84fd1330e9e68e6b4a3dd7bb3d0d54134949f9314b56abd33ea58275528e
sha512 57c3050135bbdf816cae95105f497b3c2e7b4778cbaff73e40f3bf2e9b38f453ab0ed53f8ae3a8276f55349aa343e663f7112433027df9f90848aa654cb7d16f
ripemd-160 880247dde6b9f5c17fdfa1bf8c05bc4ab15f21a8

12905428 as geometric shapes

Circle

Radius = n
Diameter 25810856
Circumference 81087195.592464
Area 5.2323248222023E+14

Sphere

Radius = n
Volume 9.0033855020726E+21
Surface area 2.0929299288809E+15
Circumference 81087195.592464

Square

Length = n
Perimeter 51621712
Area 166550071863184
Diagonal 18251031.305829

Cube

Length = n
Surface area 999300431179104
Volume 2.1493999608251E+21
Space diagonal 22352856.989422

Equilateral Triangle

Length = n
Perimeter 38716284
Area 72118296617821
Altitude 11176428.494711

Triangular Pyramid

Length = n
Surface area 72118296617821
Volume 2.5330921463026E+20
Height 6083677.1019432