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

19998161 (number)

19998161 is an odd 8-digits prime number following 19998160 and preceding 19998162. In scientific notation, it is written as 1.9998161 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 19998160 positive integers (up to 19998161) that are relatively prime to 19998161.

Interesting facts

19998161 has 2 divisors, whose sum is 19998162
The reverse of 19998161 is 16189991
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	1.9998161 × 10^7
Engineering notation	1.9998161 × 10^6

Prime Factorization of 19998161

Prime Factorization 19998161

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	19998161	Product of the distinct prime numbers

The prime factorization of 19998161 is 19998161. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 1, 26, 20, 767, 343, 4169, 674, 86059, 84410, 199653, 345058, 2017652, 8885857, 55208203, 90863779, 964979405, 98820089, 1946522758, 3552703677

Basic calculations (n = 19998161)

Multiplication

n×y

n×2	39996322
n×3	59994483
n×4	79992644
n×5	99990805

Division

n÷y

n÷2	9999080.5
n÷3	6666053.6666667
n÷3	4999540.25
n÷5	3999632.2

Exponentiation

n^y

n²	399926443381921
n³	7.997793402909E+21
n⁴	1.5994116011611E+29
n⁵	3.1985290705288E+36

Nth Root

^y√n

²√n	4471.9303438225
³√n	271.43344171448
⁴√n	66.872493177856
⁵√n	28.853467473601

Divisors of 19998161

1, 19998161

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	19998162	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9999081	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4471.930455631	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998999908	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19998161 can be divided by 2 positive divisors. The sum of these divisors (counting 19998161) is 19998162, the average is 9999081.

Base conversion 19998161

Base	System	Value
2	Binary	1001100010010010111010001
3	Ternary	1101122000022122
4	Quaternary	1030102113101
5	Quinary	20104420121
6	Senary	1552344025
8	Octal	114222721
10	Decimal	19998161
12	Duodecimal	6845015
16	Hexadecimal	13125d1
20	Vigesimal	64jf81
36	Base36	bwmoh

Cryptographic Hash Functions

md5	4b93122cacfb05953672b367827497f1
sha1	ebad949dcf990fb042a689f4e660d9aecea554c0
sha256	2cb11b7139338048f8d073616819c648bf26ebf0f4f2a33a237c76b3f400767e
sha512	761f8f7471142504409448cef0d9ae37257aa9539858c95ec9f769e41baf86514f4c62de386985bbcf0f448e3fc5637bfc1dc69fdea2eb8f5362d5220cd2faff
ripemd-160	c32f5f101a16c53fdd4cba1d5af0e2b67832668b

19998161 as geometric shapes

Circle

Radius = n

Diameter	39996322
Circumference	125652151.36581
Area	1.2564059765049E+15

Sphere

Radius = n

Volume	3.3501078666011E+22
Surface area	5.0256239060197E+15
Circumference	125652151.36581

Square

Length = n

Perimeter	79992644
Area	399926443381921
Diagonal	28281670.508721

Cube

Length = n

Surface area	2399558660291526
Volume	7.997793402909E+21
Space diagonal	34637830.909942

Equilateral Triangle

Length = n

Perimeter	59994483
Area	1.7317322980695E+14
Altitude	17318915.454971

Triangular Pyramid

Length = n

Surface area	1.7317322980695E+14
Volume	9.42548991621E+20
Height	9427223.5029069