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

28490018 (number)

28490018 is an even 8-digits composite number following 28490017 and preceding 28490019. In scientific notation, it is written as 2.8490018 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 14245008 positive integers (up to 28490018) that are relatively prime to 28490018.

Interesting facts

28490018 has 4 divisors, whose sum is 42735030
The reverse of 28490018 is 81009482
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-eight million four hundred ninety thousand eighteen

Notation

Scientific notation	2.8490018 × 10^7
Engineering notation	2.8490018 × 10^6

Prime Factorization of 28490018

Prime Factorization 2 × 14245009

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28490018	Product of the distinct prime numbers

The prime factorization of 28490018 is 2 × 14245009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 19, 31, 126, 758, 303, 725, 86210, 44963, 975006, 527129, 1955739, 4360989, 30132833, 87066218, 188613776, 136100463, 1160284315, 227078987

Basic calculations (n = 28490018)

Multiplication

n×y

n×2	56980036
n×3	85470054
n×4	113960072
n×5	142450090

Division

n÷y

n÷2	14245009
n÷3	9496672.6666667
n÷3	7122504.5
n÷5	5698003.6

Exponentiation

n^y

n²	811681125640324
n³	2.3124809879753E+22
n⁴	6.5882624972074E+29
n⁵	1.8769971713416E+37

Nth Root

^y√n

²√n	5337.604144183
³√n	305.42007153949
⁴√n	73.058908725651
⁵√n	30.969810268135

Divisors of 28490018

1, 2, 14245009, 28490018

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28490017	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28490018 can be divided by 4 positive divisors. The sum of these divisors (counting 28490018) is 1, the average is 0.25.

Base conversion 28490018

Base	System	Value
2	Binary	1101100101011100100100010
3	Ternary	1222121102221212
4	Quaternary	1230223210202
5	Quinary	24243140033
6	Senary	2454350122
8	Octal	154534442
10	Decimal	28490018
12	Duodecimal	965b342
16	Hexadecimal	1b2b922
20	Vigesimal	8i150i
36	Base36	gyn1e

Cryptographic Hash Functions

md5	b5fd5deb7c9d77c6bcede38af31cedf5
sha1	ad6e6ad7db1886707202eef37a058f92a14aedfe
sha256	424b2038050a20cad378d3204d42b055c411a43b425e821eb5c39e9c78fcf348
sha512	732d0e59a57157dab87d8aa2ead50c2459446d03f7e091f308700b2d76aaf061ebec8eae5a1cd0197f797f684be75aacae383c8c35df97dd7842c3b188bb6f3a
ripemd-160	63d238d40b3d9429e9d0e530bd8d4c333ac8853f

28490018 as geometric shapes

Circle

Radius = n

Diameter	56980036
Circumference	179008062.49888
Area	2.5499714613691E+15

Sphere

Radius = n

Volume	9.6864977111857E+22
Surface area	1.0199885845477E+16
Circumference	179008062.49888

Square

Length = n

Perimeter	113960072
Area	811681125640324
Diagonal	40290969.847854

Cube

Length = n

Surface area	4870086753841944
Volume	2.3124809879753E+22
Space diagonal	49346158.684552

Equilateral Triangle

Length = n

Perimeter	85470054
Area	3.5146823728843E+14
Altitude	24673079.342276

Triangular Pyramid

Length = n

Surface area	3.5146823728843E+14
Volume	2.7252849799372E+21
Height	13430323.282618