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

20181999 (number)

20181999 is an odd 8-digits composite number following 20181998 and preceding 20182000. In scientific notation, it is written as 2.0181999 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 12921216 positive integers (up to 20181999) that are relatively prime to 20181999.

Interesting facts

20181999 has 16 divisors, whose sum is 27986400
The reverse of 20181999 is 99918102
Previous prime number is 229

Basic properties

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

Name

Name	twenty million one hundred eighty-one thousand nine hundred ninety-nine

Notation

Scientific notation	2.0181999 × 10^7
Engineering notation	2.0181999 × 10^6

Prime Factorization of 20181999

Prime Factorization 3 × 29 × 229 × 1013

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20181999	Product of the distinct prime numbers

The prime factorization of 20181999 is 3 × 29 × 229 × 1013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 14, 78, 443, 766, 611, 1203, 23728, 13349, 794650, 150233, 2446940, 4384664, 80349214, 59701070, 215226436, 382933372, 9681507881, 2595407216

Basic calculations (n = 20181999)

Multiplication

n×y

n×2	40363998
n×3	60545997
n×4	80727996
n×5	100909995

Division

n÷y

n÷2	10090999.5
n÷3	6727333
n÷3	5045499.75
n÷5	4036399.8

Exponentiation

n^y

n²	407313083636001
n³	8.2203922466287E+21
n⁴	1.6590394810107E+29
n⁵	3.3482733146718E+36

Nth Root

^y√n

²√n	4492.4379795385
³√n	272.26264549108
⁴√n	67.025651653218
⁵√n	28.906321993383

Divisors of 20181999

1, 3, 29, 87, 229, 687, 1013, 3039, 6641, 19923, 29377, 88131, 231977, 695931, 6727333, 20181999

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20181998	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20181999 can be divided by 16 positive divisors. The sum of these divisors (counting 20181999) is 1, the average is 0.0625.

Base conversion 20181999

Base	System	Value
2	Binary	1001100111111001111101111
3	Ternary	1101222100111110
4	Quaternary	1030333033233
5	Quinary	20131310444
6	Senary	2000323103
8	Octal	114771757
10	Decimal	20181999
12	Duodecimal	6913493
16	Hexadecimal	133f3ef
20	Vigesimal	662ejj
36	Base36	c0kj3

Cryptographic Hash Functions

md5	44c9b25dd3f6c7417a43f0891a20e0d9
sha1	05fc36621e310668b8d629f4a626867cd9fbbf32
sha256	7509068368993e9746b799acda110d5b3bb6310a6c6dd751b131e4e80b9b7bc9
sha512	68edcdc489be2d1519b87f3515caa4fcf7aea6a1afa6e2bbc97e8f3dc22076825ea0eec1ed5d56efd4fa1c932b3b2c8eed3ebfc71bd5e956cb2f7e7a274a1f7c
ripemd-160	0462b0872132139becb2e65183a6a5e4fa0b9dd9

20181999 as geometric shapes

Circle

Radius = n

Diameter	40363998
Circumference	126807239.58631
Area	1.2796117912619E+15

Sphere

Radius = n

Volume	3.443349852218E+22
Surface area	5.1184471650475E+15
Circumference	126807239.58631

Square

Length = n

Perimeter	80727996
Area	407313083636001
Diagonal	28541656.7016

Cube

Length = n

Surface area	2443878501816006
Volume	8.2203922466287E+21
Space diagonal	34956247.666304

Equilateral Triangle

Length = n

Perimeter	60545997
Area	1.7637173886128E+14
Altitude	17478123.833152

Triangular Pyramid

Length = n

Surface area	1.7637173886128E+14
Volume	9.6878251693408E+20
Height	9513885.5672001