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

28397890 (number)

28397890 is an even 8-digits composite number following 28397889 and preceding 28397891. In scientific notation, it is written as 2.8397890 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 11359152 positive integers (up to 28397890) that are relatively prime to 28397890.

Interesting facts

28397890 has 8 divisors, whose sum is 51116220
The reverse of 28397890 is 09879382
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	twenty-eight million three hundred ninety-seven thousand eight hundred ninety

Notation

Scientific notation	2.8397890 × 10^7
Engineering notation	2.8397890 × 10^6

Prime Factorization of 28397890

Prime Factorization 2 × 5 × 2839789

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28397890	Product of the distinct prime numbers

The prime factorization of 28397890 is 2 × 5 × 2839789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 48, 1, 897, 806, 6740, 2699, 91748, 12854, 604746, 190545, 8319078, 903418, 38728838, 6810890, 250560029, 254129027, 6289635914, 785837466

Basic calculations (n = 28397890)

Multiplication

n×y

n×2	56795780
n×3	85193670
n×4	113591560
n×5	141989450

Division

n÷y

n÷2	14198945
n÷3	9465963.3333333
n÷3	7099472.5
n÷5	5679578

Exponentiation

n^y

n²	806440156452100
n³	2.290119885451E+22
n⁴	6.5034572593849E+29
n⁵	1.8468446387171E+37

Nth Root

^y√n

²√n	5328.9670668902
³√n	305.09050436068
⁴√n	72.999774430406
⁵√n	30.949754932332

Divisors of 28397890

1, 2, 5, 10, 2839789, 5679578, 14198945, 28397890

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	-28397889	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 28397890 can be divided by 8 positive divisors. The sum of these divisors (counting 28397890) is 1, the average is 0.125.

Base conversion 28397890

Base	System	Value
2	Binary	1101100010101000101000010
3	Ternary	1222102202120201
4	Quaternary	1230111011002
5	Quinary	24232213030
6	Senary	2452355414
8	Octal	154250502
10	Decimal	28397890
12	Duodecimal	9615b6a
16	Hexadecimal	1b15142
20	Vigesimal	8h9eea
36	Base36	gwnya

Cryptographic Hash Functions

md5	8f013cafbf9731dba6ae4690193c3504
sha1	570aea4018920582e13f3f1198eb8b066863dd49
sha256	70b949176f15e653ddba6394dfa094dd3eebc67c3a066a5c898404486815b370
sha512	f75213ea9d75508bda693c4ca5dcc8d8ec1894314995e8683d903c8d40878c5164ea26e68d5b1809ccbda0041a4831682456671b314fcd818ad7c8a504c4899f
ripemd-160	f6f87ef376449220f433afb4f06487fa01dd5eba

28397890 as geometric shapes

Circle

Radius = n

Diameter	56795780
Circumference	178429205.2029
Area	2.5335064710697E+15

Sphere

Radius = n

Volume	9.5928317439635E+22
Surface area	1.0134025884279E+16
Circumference	178429205.2029

Square

Length = n

Perimeter	113591560
Area	806440156452100
Diagonal	40160681.180779

Cube

Length = n

Surface area	4838640938712600
Volume	2.290119885451E+22
Space diagonal	49186588.307752

Equilateral Triangle

Length = n

Perimeter	85193670
Area	3.4919883105971E+14
Altitude	24593294.153876

Triangular Pyramid

Length = n

Surface area	3.4919883105971E+14
Volume	2.6989321678875E+21
Height	13386893.726926