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

19987146 (number)

19987146 is an even 8-digits composite number following 19987145 and preceding 19987147. In scientific notation, it is written as 1.9987146 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 6662376 positive integers (up to 19987146) that are relatively prime to 19987146.

Interesting facts

19987146 has 8 divisors, whose sum is 33311940
The reverse of 19987146 is 64178991
Previous prime number is 9

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	1.9987146 × 10^7
Engineering notation	1.9987146 × 10^6

Prime Factorization of 19987146

Prime Factorization 2 × 9 × 1110397

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19987146	Product of the distinct prime numbers

The prime factorization of 19987146 is 2 × 9 × 1110397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 3, 23, 23, 444, 716, 862, 2605, 44099, 11875, 185594, 523527, 5130154, 2085372, 87821425, 29311508, 66348106, 949051269, 3093324330, 6931465835

Basic calculations (n = 19987146)

Multiplication

n×y

n×2	39974292
n×3	59961438
n×4	79948584
n×5	99935730

Division

n÷y

n÷2	9993573
n÷3	6662382
n÷3	4996786.5
n÷5	3997429.2

Exponentiation

n^y

n²	399486005225316
n³	7.9845851113952E+21
n⁴	1.5958906837088E+29
n⁵	3.1897300095328E+36

Nth Root

^y√n

²√n	4470.6986031268
³√n	271.38359732356
⁴√n	66.863282922145
⁵√n	28.850288271376

Divisors of 19987146

1, 2, 9, 18, 1110397, 2220794, 9993573, 19987146

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19987145	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987146 can be divided by 8 positive divisors. The sum of these divisors (counting 19987146) is 1, the average is 0.125.

Base conversion 19987146

Base	System	Value
2	Binary	1001100001111101011001010
3	Ternary	1101121110012200
4	Quaternary	1030033223022
5	Quinary	20104042041
6	Senary	1552221030
8	Octal	114175312
10	Decimal	19987146
12	Duodecimal	683a776
16	Hexadecimal	130faca
20	Vigesimal	64i7h6
36	Base36	bwe6i

Cryptographic Hash Functions

md5	2570c75a7bcdff5a8aacb0fe5ef168ad
sha1	ce8b734096f8debff91f0e4c2bedb84051bfa0cc
sha256	e959f33be40cf23c215a299b5dd54c47c4a55eb95d51d38e5c1fb1ec9d7b8e02
sha512	467dfc6999862f7498e6b43578dbc7bdc436e18792dbe9688efd74fb46dda1480705858d973c25e52fb2e952a45c4c88d228dbb04a4c0a9fcd6160bdfa8b3692
ripemd-160	f3cb84fe7e115c048d1ecf4af680658cfa79b881

19987146 as geometric shapes

Circle

Radius = n

Diameter	39974292
Circumference	125582942.07965
Area	1.2550222992278E+15

Sphere

Radius = n

Volume	3.3445751903895E+22
Surface area	5.0200891969111E+15
Circumference	125582942.07965

Square

Length = n

Perimeter	79948584
Area	399486005225316
Diagonal	28266092.946331

Cube

Length = n

Surface area	2396916031351896
Volume	7.9845851113952E+21
Space diagonal	34618752.370297

Equilateral Triangle

Length = n

Perimeter	59961438
Area	1.7298251449074E+14
Altitude	17309376.185149

Triangular Pyramid

Length = n

Surface area	1.7298251449074E+14
Volume	9.4099237953811E+20
Height	9422030.9821104