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

19981649 (number)

19981649 is an odd 8-digits prime number following 19981648 and preceding 19981650. In scientific notation, it is written as 1.9981649 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 19981648 positive integers (up to 19981649) that are relatively prime to 19981649.

Interesting facts

19981649 has 2 divisors, whose sum is 19981650
The reverse of 19981649 is 94618991
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	nineteen million nine hundred eighty-one thousand six hundred forty-nine

Notation

Scientific notation	1.9981649 × 10^7
Engineering notation	1.9981649 × 10^6

Prime Factorization of 19981649

Prime Factorization 19981649

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	19981649	Product of the distinct prime numbers

The prime factorization of 19981649 is 19981649. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 10, 67, 69, 639, 145, 2129, 2631, 88198, 36056, 631491, 644133, 5151587, 627567, 31662138, 49533068, 59974966, 608104420, 9054582149, 9510036790

Basic calculations (n = 19981649)

Multiplication

n×y

n×2	39963298
n×3	59944947
n×4	79926596
n×5	99908245

Division

n÷y

n÷2	9990824.5
n÷3	6660549.6666667
n÷3	4995412.25
n÷5	3996329.8

Exponentiation

n^y

n²	399266296759201
n³	7.9779989993722E+21
n⁴	1.5941357572781E+29
n⁵	3.1853461160279E+36

Nth Root

^y√n

²√n	4470.0837799755
³√n	271.35871579193
⁴√n	66.858685149915
⁵√n	28.848701176509

Divisors of 19981649

1, 19981649

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	19981650	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9990825	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4470.0838918302	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998999082	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981649 can be divided by 2 positive divisors. The sum of these divisors (counting 19981649) is 19981650, the average is 9990825.

Base conversion 19981649

Base	System	Value
2	Binary	1001100001110010101010001
3	Ternary	1101121011200002
4	Quaternary	1030032111101
5	Quinary	20103403044
6	Senary	1552135345
8	Octal	114162521
10	Decimal	19981649
12	Duodecimal	6837555
16	Hexadecimal	130e551
20	Vigesimal	64he29
36	Base36	bw9xt

Cryptographic Hash Functions

md5	35b80ddee53d2b9f05a446eab5a33a4b
sha1	ce3e6ea2190036d70fe55ee92b2f975ae580147f
sha256	37a2de6f934d9e9a30d2267ced4c69e53d7a8a2611cd3f3a2b1c01be6dc82ea7
sha512	e0971096e308e8573c0e1c166e867eff94ffab39aafdbd9cdc22f48a8fd966953749deabc6c9ca1363e989966dd9e9da5c2695f257f934393a626102e2f14c39
ripemd-160	73495f6a73593f124c2ff5978218b84e0b41dbde

19981649 as geometric shapes

Circle

Radius = n

Diameter	39963298
Circumference	125548403.41002
Area	1.2543320647247E+15

Sphere

Radius = n

Volume	3.3418164062366E+22
Surface area	5.0173282588988E+15
Circumference	125548403.41002

Square

Length = n

Perimeter	79926596
Area	399266296759201
Diagonal	28258319.014379

Cube

Length = n

Surface area	2395597780555206
Volume	7.9779989993722E+21
Space diagonal	34609231.287008

Equilateral Triangle

Length = n

Perimeter	59944947
Area	1.728873779342E+14
Altitude	17304615.643504

Triangular Pyramid

Length = n

Surface area	1.728873779342E+14
Volume	9.4021619879259E+20
Height	9419439.6714596