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

18016821 (number)

18016821 is an odd 8-digits composite number following 18016820 and preceding 18016822. In scientific notation, it is written as 1.8016821 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11304576 positive integers (up to 18016821) that are relatively prime to 18016821.

Interesting facts

18016821 has 8 divisors, whose sum is 21196440
The reverse of 18016821 is 12861081
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	eighteen million sixteen thousand eight hundred twenty-one

Notation

Scientific notation	1.8016821 × 10^7
Engineering notation	1.8016821 × 10^6

Prime Factorization of 18016821

Prime Factorization 9 × 17 × 117757

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18016821	Product of the distinct prime numbers

The prime factorization of 18016821 is 9 × 17 × 117757. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 14, 81, 723, 353, 899, 5028, 85602, 47962, 754702, 468636, 6114361, 4235828, 13813537, 31552885, 921758957, 153813521, 5163457138, 3976114214

Basic calculations (n = 18016821)

Multiplication

n×y

n×2	36033642
n×3	54050463
n×4	72067284
n×5	90084105

Division

n÷y

n÷2	9008410.5
n÷3	6005607
n÷3	4504205.25
n÷5	3603364.2

Exponentiation

n^y

n²	324605838946041
n³	5.8483652958456E+21
n⁴	1.0536895067786E+29
n⁵	1.8984135233209E+36

Nth Root

^y√n

²√n	4244.6225980645
³√n	262.15575009887
⁴√n	65.150768207785
⁵√n	28.257623395535

Divisors of 18016821

1, 9, 17, 153, 117757, 1059813, 2001869, 18016821

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	-18016820	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 18016821 can be divided by 8 positive divisors. The sum of these divisors (counting 18016821) is 1, the average is 0.125.

Base conversion 18016821

Base	System	Value
2	Binary	1000100101110101000110101
3	Ternary	1020220100102200
4	Quaternary	1010232220311
5	Quinary	14103014241
6	Senary	1442055113
8	Octal	104565065
10	Decimal	18016821
12	Duodecimal	604a499
16	Hexadecimal	112ea35
20	Vigesimal	5cc211
36	Base36	aq5v9

Cryptographic Hash Functions

md5	a337c443253f340879895bd24a3375ed
sha1	6086a313e6b0d7f8b1f47fda973cf09881db677c
sha256	fdc5af6ee59da51d648c21a80ae64d63fd9492f8a1b965fb7154e147ea5f1810
sha512	b5062801ea1e6609a255fa76a296ff52e884e37ca295b4c3b3a72b1ddabc8a083bcfd38e12db5bdb01321215a693d5ad340e17d638865d4c376cfabcff1c3805
ripemd-160	fede9909d3db3901d89cd6721955822023dfca98

18016821 as geometric shapes

Circle

Radius = n

Diameter	36033642
Circumference	113203024.98928
Area	1.0197793189452E+15

Sphere

Radius = n

Volume	2.4497575265251E+22
Surface area	4.0791172757809E+15
Circumference	113203024.98928

Square

Length = n

Perimeter	72067284
Area	324605838946041
Diagonal	25479632.609048

Cube

Length = n

Surface area	1947635033676246
Volume	5.8483652958456E+21
Space diagonal	31206049.362874

Equilateral Triangle

Length = n

Perimeter	54050463
Area	1.4055845137202E+14
Altitude	15603024.681437

Triangular Pyramid

Length = n

Surface area	1.4055845137202E+14
Volume	6.8923645992475E+20
Height	8493210.8696828