Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20128428 (number)

20128428 is an even 8-digits composite number following 20128427 and preceding 20128429. In scientific notation, it is written as 2.0128428 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 6709464 positive integers (up to 20128428) that are relatively prime to 20128428.

Interesting facts

20128428 has 12 divisors, whose sum is 39138680
The reverse of 20128428 is 82482102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0128428 × 10^7
Engineering notation	2.0128428 × 10^6

Prime Factorization of 20128428

Prime Factorization 2 × 2 × 9 × 559123

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10064214	Product of the distinct prime numbers

The prime factorization of 20128428 is 2 × 2 × 9 × 559123. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 97, 72, 818, 973, 7971, 7268, 72999, 80007, 511940, 581531, 8723221, 2467772, 29111304, 15550324, 206963431, 631514489, 1572380699, 4169394437

Basic calculations (n = 20128428)

Multiplication

n×y

n×2	40256856
n×3	60385284
n×4	80513712
n×5	100642140

Division

n÷y

n÷2	10064214
n÷3	6709476
n÷3	5032107
n÷5	4025685.6

Exponentiation

n^y

n²	405153613751184
n³	8.1551053433305E+21
n⁴	1.6414945073564E+29
n⁵	3.3040704003719E+36

Nth Root

^y√n

²√n	4486.4716649055
³√n	272.02153448306
⁴√n	66.981129170129
⁵√n	28.890959913795

Divisors of 20128428

1, 2, 4, 9, 18, 36, 559123, 1118246, 2236492, 5032107, 10064214, 20128428

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20128427	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128428 can be divided by 12 positive divisors. The sum of these divisors (counting 20128428) is 1, the average is 0.083333333333333.

Base conversion 20128428

Base	System	Value
2	Binary	1001100110010001010101100
3	Ternary	1101212122000100
4	Quaternary	1030302022230
5	Quinary	20123102203
6	Senary	1555231100
8	Octal	114621254
10	Decimal	20128428
12	Duodecimal	68a8490
16	Hexadecimal	13322ac
20	Vigesimal	65g118
36	Base36	bzf70

Cryptographic Hash Functions

md5	41b95365ea5de2ba0cfcce235b12346a
sha1	5b7c81d17ee4cda7e795617ac0fc5eaf437a0690
sha256	bead764bf65f13db02897b2a0c53dd5acb7ff924515fdf416ccd5fb7a88019e1
sha512	cb3f4225e54b1df1a8dd510f631bab204ad2df9cbcf64da59227df7625b939c0e99fbbf402461433d2c43ca82cb5c800385480d7eddd8808f007b416a9846229
ripemd-160	9c97f1e6afd82d89077f45676295b413386cadf5

20128428 as geometric shapes

Circle

Radius = n

Diameter	40256856
Circumference	126470643.06622
Area	1.2728276165361E+15

Sphere

Radius = n

Volume	3.4160025381144E+22
Surface area	5.0913104661443E+15
Circumference	126470643.06622

Square

Length = n

Perimeter	80513712
Area	405153613751184
Diagonal	28465895.86685

Cube

Length = n

Surface area	2430921682507104
Volume	8.1551053433305E+21
Space diagonal	34863459.972492

Equilateral Triangle

Length = n

Perimeter	60385284
Area	1.754366609718E+14
Altitude	17431729.986246

Triangular Pyramid

Length = n

Surface area	1.754366609718E+14
Volume	9.6108838159328E+20
Height	9488631.9556168