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

18804981 (number)

18804981 is an odd 8-digits composite number following 18804980 and preceding 18804982. In scientific notation, it is written as 1.8804981 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 11572272 positive integers (up to 18804981) that are relatively prime to 18804981.

Interesting facts

18804981 has 8 divisors, whose sum is 27002080
The reverse of 18804981 is 18940881
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	eighteen million eight hundred four thousand nine hundred eighty-one

Notation

Scientific notation	1.8804981 × 10^7
Engineering notation	1.8804981 × 10^6

Prime Factorization of 18804981

Prime Factorization 13 × 3 × 482179

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18804981	Product of the distinct prime numbers

The prime factorization of 18804981 is 13 × 3 × 482179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 31, 21, 749, 446, 1839, 7020, 86504, 94576, 578471, 735160, 6318930, 1114409, 76535139, 51184244, 523315208, 823807289, 7185617140, 9632942125

Basic calculations (n = 18804981)

Multiplication

n×y

n×2	37609962
n×3	56414943
n×4	75219924
n×5	94024905

Division

n÷y

n÷2	9402490.5
n÷3	6268327
n÷3	4701245.25
n÷5	3760996.2

Exponentiation

n^y

n²	353627310410361
n³	6.6499548533479E+21
n⁴	1.2505227466807E+29
n⁵	2.3516056491398E+36

Nth Root

^y√n

²√n	4336.4710306884
³√n	265.92406014323
⁴√n	65.851887070064
⁵√n	28.500637855055

Divisors of 18804981

1, 3, 13, 39, 482179, 1446537, 6268327, 18804981

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	-18804980	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 18804981 can be divided by 8 positive divisors. The sum of these divisors (counting 18804981) is 1, the average is 0.125.

Base conversion 18804981

Base	System	Value
2	Binary	1000111101111000011110101
3	Ternary	1022101101120210
4	Quaternary	1013233003311
5	Quinary	14303224411
6	Senary	1511020033
8	Octal	107570365
10	Decimal	18804981
12	Duodecimal	636a619
16	Hexadecimal	11ef0f5
20	Vigesimal	5hac91
36	Base36	b720l

Cryptographic Hash Functions

md5	94f2e599849993bcaa1ae61f8ace665a
sha1	d2dce0625004fa52b50fdeea27c989ea3cc16290
sha256	3f074befeef4e32b335ec3b331e1a2029d8e49279bf93f32dbabe98bb9444754
sha512	3e34905840285037e544d5e84db3533219b6b44eacc7f46ccc96ef10c1d12768e4d8d05f40c314727130925ff75a14c28ad3d356bea77fed637eea0cf94e6bc1
ripemd-160	e778f6999ad1ddf35cff4fda2b25e0c32f328ea4

18804981 as geometric shapes

Circle

Radius = n

Diameter	37609962
Circumference	118155180.32099
Area	1.1109529604939E+15

Sphere

Radius = n

Volume	2.7855265751976E+22
Surface area	4.4438118419756E+15
Circumference	118155180.32099

Square

Length = n

Perimeter	75219924
Area	353627310410361
Diagonal	26594259.170368

Cube

Length = n

Surface area	2121763862462166
Volume	6.6499548533479E+21
Space diagonal	32571182.527367

Equilateral Triangle

Length = n

Perimeter	56414943
Area	1.5312511714367E+14
Altitude	16285591.263684

Triangular Pyramid

Length = n

Surface area	1.5312511714367E+14
Volume	7.8370469523112E+20
Height	8864753.0567895