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

20018081 (number)

20018081 is an odd 8-digits prime number following 20018080 and preceding 20018082. In scientific notation, it is written as 2.0018081 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 20018080 positive integers (up to 20018081) that are relatively prime to 20018081.

Interesting facts

20018081 has 2 divisors, whose sum is 20018082
The reverse of 20018081 is 18081002
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million eighteen thousand eighty-one

Notation

Scientific notation	2.0018081 × 10^7
Engineering notation	2.0018081 × 10^6

Prime Factorization of 20018081

Prime Factorization 20018081

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20018081	Product of the distinct prime numbers

The prime factorization of 20018081 is 20018081. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 53, 3, 692, 779, 7039, 7725, 12367, 9123, 569460, 518524, 9390640, 7625064, 79366115, 55062267, 392552717, 142186133, 733483610, 4401536712

Basic calculations (n = 20018081)

Multiplication

n×y

n×2	40036162
n×3	60054243
n×4	80072324
n×5	100090405

Division

n÷y

n÷2	10009040.5
n÷3	6672693.6666667
n÷3	5004520.25
n÷5	4003616.2

Exponentiation

n^y

n²	400723566922561
n³	8.0217168212647E+21
n⁴	1.6057937708714E+29
n⁵	3.2144909774599E+36

Nth Root

^y√n

²√n	4474.1570155729
³√n	271.52353599662
⁴√n	66.889139743107
⁵√n	28.859213323962

Divisors of 20018081

1, 20018081

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20018082	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10009041	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4474.1571273258	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999000903	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20018081 can be divided by 2 positive divisors. The sum of these divisors (counting 20018081) is 20018082, the average is 10009041.

Base conversion 20018081

Base	System	Value
2	Binary	1001100010111001110100001
3	Ternary	1101200000122102
4	Quaternary	1030113032201
5	Quinary	20111034311
6	Senary	1553020145
8	Octal	114271641
10	Decimal	20018081
12	Duodecimal	6854655
16	Hexadecimal	13173a1
20	Vigesimal	652541
36	Base36	bx21t

Cryptographic Hash Functions

md5	689d95fc0c902dca8fdbb42de1107924
sha1	93c9a22685e80f2fcb5d843443cc48993185dbce
sha256	2d60c88ed72b5190de7419549a66a418b30e68777585af018057182871bfc10c
sha512	024dc1ad7990c603f2837a8b5625192e4922571cd8c38ccad97d1703a5df832af12f52215c1e216c5def37264dbfe999c848aa5e319f5da11647cce56390bc97
ripemd-160	30843816f58b094590ac5a239deef831eb1bfefa

20018081 as geometric shapes

Circle

Radius = n

Diameter	40036162
Circumference	125777312.41713
Area	1.2589102139642E+15

Sphere

Radius = n

Volume	3.3601288846484E+22
Surface area	5.0356408558569E+15
Circumference	125777312.41713

Square

Length = n

Perimeter	80072324
Area	400723566922561
Diagonal	28309841.642883

Cube

Length = n

Surface area	2404341401535366
Volume	8.0217168212647E+21
Space diagonal	34672333.362029

Equilateral Triangle

Length = n

Perimeter	60054243
Area	1.7351839442503E+14
Altitude	17336166.681015

Triangular Pyramid

Length = n

Surface area	1.7351839442503E+14
Volume	9.4536839351242E+20
Height	9436613.8809611