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

20081428 (number)

20081428 is an even 8-digits composite number following 20081427 and preceding 20081429. In scientific notation, it is written as 2.0081428 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 9716760 positive integers (up to 20081428) that are relatively prime to 20081428.

Interesting facts

20081428 has 12 divisors, whose sum is 36276352
The reverse of 20081428 is 82418002
Previous prime number is 31

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0081428 × 10^7
Engineering notation	2.0081428 × 10^6

Prime Factorization of 20081428

Prime Factorization 2 × 2 × 31 × 161947

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10040714	Product of the distinct prime numbers

The prime factorization of 20081428 is 2 × 2 × 31 × 161947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 68, 75, 123, 14, 3382, 8837, 23854, 82870, 255089, 955097, 3131767, 4915673, 14118950, 18711645, 956531215, 498298494, 7145709798, 3315930509

Basic calculations (n = 20081428)

Multiplication

n×y

n×2	40162856
n×3	60244284
n×4	80325712
n×5	100407140

Division

n÷y

n÷2	10040714
n÷3	6693809.3333333
n÷3	5020357
n÷5	4016285.6

Exponentiation

n^y

n²	403263750519184
n³	8.098111971061E+21
n⁴	1.626216524828E+29
n⁵	3.2656750055743E+36

Nth Root

^y√n

²√n	4481.2306345467
³√n	271.80964550566
⁴√n	66.941994551602
⁵√n	28.87745518154

Divisors of 20081428

1, 2, 4, 31, 62, 124, 161947, 323894, 647788, 5020357, 10040714, 20081428

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	-20081427	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 20081428 can be divided by 12 positive divisors. The sum of these divisors (counting 20081428) is 1, the average is 0.083333333333333.

Base conversion 20081428

Base	System	Value
2	Binary	1001100100110101100010100
3	Ternary	1101210020112121
4	Quaternary	1030212230110
5	Quinary	20120101203
6	Senary	1554225324
8	Octal	114465424
10	Decimal	20081428
12	Duodecimal	6885244
16	Hexadecimal	1326b14
20	Vigesimal	65a3b8
36	Base36	byexg

Cryptographic Hash Functions

md5	bf98b01db757028c8f969ff9fe2e5602
sha1	9b3a399baf64f2a65f013e24693cf0977c1c8e59
sha256	9947bf10e7897bf586eed8e1580e1c51c76dca825ea4d5226bdb6fc05c090f70
sha512	c2d48926bbc8d50772bd8af76422c7197e887bdf269a556a6e0df101dcb5a09f101ca4c77599d7f1f23fb28cfcd3cbb648ee9d97b15db9b9407e54b40755d3d2
ripemd-160	ab5a890c608157e0c27623204fae84b8f79345ea

20081428 as geometric shapes

Circle

Radius = n

Diameter	40162856
Circumference	126175333.35678
Area	1.2668904360901E+15

Sphere

Radius = n

Volume	3.3921292101644E+22
Surface area	5.0675617443605E+15
Circumference	126175333.35678

Square

Length = n

Perimeter	80325712
Area	403263750519184
Diagonal	28399427.829419

Cube

Length = n

Surface area	2419582503115104
Volume	8.098111971061E+21
Space diagonal	34782053.584536

Equilateral Triangle

Length = n

Perimeter	60244284
Area	1.746183261875E+14
Altitude	17391026.792268

Triangular Pyramid

Length = n

Surface area	1.746183261875E+14
Volume	9.5437164825753E+20
Height	9466475.9431396