20285428 (number)

20285428 is an even 8-digits composite number following 20285427 and preceding 20285429. In scientific notation, it is written as 2.0285428 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 9976320 positive integers (up to 20285428) that are relatively prime to 20285428.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty-five thousand four hundred twenty-eight

Notation

Scientific notation 2.0285428 × 10^7
Engineering notation 2.0285428 × 10^6

Prime Factorization of 20285428

Prime Factorization 2 × 2 × 61 × 83137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10142714
Product of the distinct prime numbers

The prime factorization of 20285428 is 2 × 2 × 61 × 83137. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 9, 41, 489, 386, 1446, 4476, 51619, 64369, 359691, 12492, 1124838, 7034608, 7116256, 67340447, 45121823, 738959182, 8789770020, 9520686212

Basic calculations (n = 20285428)

Multiplication

n×y
n×2 40570856
n×3 60856284
n×4 81141712
n×5 101427140

Division

n÷y
n÷2 10142714
n÷3 6761809.3333333
n÷3 5071357
n÷5 4057085.6

Exponentiation

ny
n2 411498589143184
n3 8.3474250021656E+21
n4 1.6933108886683E+29
n5 3.4349536113697E+36

Nth Root

y√n
2√n 4503.9347242161
3√n 272.72695174373
4√n 67.111360619616
5√n 28.935889351758

Divisors of 20285428

1, 2, 4, 61, 122, 244, 83137, 166274, 332548, 5071357, 10142714, 20285428

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 -20285427
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 20285428 can be divided by 12 positive divisors. The sum of these divisors (counting 20285428) is 1, the average is 0.083333333333333.

Base conversion 20285428

Base System Value
2 Binary 1001101011000011111110100
3 Ternary 1102011121101011
4 Quaternary 1031120133310
5 Quinary 20143113203
6 Senary 2002442004
8 Octal 115303764
10 Decimal 20285428
12 Duodecimal 6963304
16 Hexadecimal 13587f4
20 Vigesimal 66fdb8
36 Base36 c2sc4

Cryptographic Hash Functions

md5 433d2c0392a01d7b38af9d4222ea26f3
sha1 a5ebe81d5ca55f6b0e8b09e3fd58224ec002b9e8
sha256 bae21a85b161d90d5e52be09ba46ba0b3e8b7c3664b83d53669454a7ade32049
sha512 bb4b7788acb54c7b3ec75bdb20ab5b86fe831c155bef6724281692d506e90c934280551b20cb71dc83ab48bf7bb132ce98c9473d2d9c51730655b08ede6cc97c
ripemd-160 9cd2071a09c96e077e01d6a6f2b000839fc2191c

20285428 as geometric shapes

Circle

Radius = n
Diameter 40570856
Circumference 127457103.15945
Area 1.2927609446148E+15

Sphere

Radius = n
Volume 3.496561208426E+22
Surface area 5.1710437784592E+15
Circumference 127457103.15945

Square

Length = n
Perimeter 81141712
Area 411498589143184
Diagonal 28687927.396143

Cube

Length = n
Surface area 2468991534859104
Volume 8.3474250021656E+21
Space diagonal 35135391.94928

Equilateral Triangle

Length = n
Perimeter 60856284
Area 1.7818411590973E+14
Altitude 17567695.97464

Triangular Pyramid

Length = n
Surface area 1.7818411590973E+14
Volume 9.8375347074624E+20
Height 9562642.465381