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

19998181 (number)

19998181 is an odd 8-digits composite number following 19998180 and preceding 19998182. In scientific notation, it is written as 1.9998181 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 17141292 positive integers (up to 19998181) that are relatively prime to 19998181.

Interesting facts

19998181 has 4 divisors, whose sum is 22855072
The reverse of 19998181 is 18189991
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

Name	nineteen million nine hundred ninety-eight thousand one hundred eighty-one

Notation

Scientific notation	1.9998181 × 10^7
Engineering notation	1.9998181 × 10^6

Prime Factorization of 19998181

Prime Factorization 7 × 2856883

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19998181	Product of the distinct prime numbers

The prime factorization of 19998181 is 7 × 2856883. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 26, 41, 628, 124, 8362, 3256, 59435, 52518, 762367, 95396, 5003094, 4802036, 36016233, 44199538, 151589695, 511844902, 6966195747, 3218538047

Basic calculations (n = 19998181)

Multiplication

n×y

n×2	39996362
n×3	59994543
n×4	79992724
n×5	99990905

Division

n÷y

n÷2	9999090.5
n÷3	6666060.3333333
n÷3	4999545.25
n÷5	3999636.2

Exponentiation

n^y

n²	399927243308761
n³	7.9978173985196E+21
n⁴	1.5994179994054E+29
n⁵	3.1985450646768E+36

Nth Root

^y√n

²√n	4471.9325799927
³√n	271.43353220059
⁴√n	66.872509897511
⁵√n	28.853473244823

Divisors of 19998181

1, 7, 2856883, 19998181

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	-19998180	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 19998181 can be divided by 4 positive divisors. The sum of these divisors (counting 19998181) is 1, the average is 0.25.

Base conversion 19998181

Base	System	Value
2	Binary	1001100010010010111100101
3	Ternary	1101122000100101
4	Quaternary	1030102113211
5	Quinary	20104420211
6	Senary	1552344101
8	Octal	114222745
10	Decimal	19998181
12	Duodecimal	6845031
16	Hexadecimal	13125e5
20	Vigesimal	64jf91
36	Base36	bwmp1

Cryptographic Hash Functions

md5	a061e3ea13296a47824288fde10cb3b1
sha1	0e19b5e169cd7412862420b6d78d3e248060fb93
sha256	a0a98513007b7ee19f89b4ded05d63d8e2926c5dd635e00a271cb3c78b122145
sha512	c0a61a843bfced1b38205e69b69f658adda6171750cf753c73dc8198a2f20303b38cf06e4034a780ffd49dea8cfedff8e28e640abbacaec88c28b88db03994d7
ripemd-160	cd5f10e00c9f81d6c3083b5e176d035442576743

19998181 as geometric shapes

Circle

Radius = n

Diameter	39996362
Circumference	125652277.02952
Area	1.2564084895492E+15

Sphere

Radius = n

Volume	3.3501179178589E+22
Surface area	5.0256339581969E+15
Circumference	125652277.02952

Square

Length = n

Perimeter	79992724
Area	399927243308761
Diagonal	28281698.792992

Cube

Length = n

Surface area	2399563459852566
Volume	7.9978173985196E+21
Space diagonal	34637865.550959

Equilateral Triangle

Length = n

Perimeter	59994543
Area	1.7317357618543E+14
Altitude	17318932.775479

Triangular Pyramid

Length = n

Surface area	1.7317357618543E+14
Volume	9.4255181953083E+20
Height	9427232.9309973