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

19987816 (number)

19987816 is an even 8-digits composite number following 19987815 and preceding 19987817. In scientific notation, it is written as 1.9987816 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors. There are 9980544 positive integers (up to 19987816) that are relatively prime to 19987816.

Interesting facts

19987816 has 16 divisors, whose sum is 37527300
The reverse of 19987816 is 61878991
Previous prime number is 1129

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	nineteen million nine hundred eighty-seven thousand eight hundred sixteen

Notation

Scientific notation	1.9987816 × 10^7
Engineering notation	1.9987816 × 10^6

Prime Factorization of 19987816

Prime Factorization 2 × 2 × 2 × 1129 × 2213

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	4996954	Product of the distinct prime numbers

The prime factorization of 19987816 is 2 × 2 × 2 × 1129 × 2213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 41, 56, 67, 326, 9191, 3794, 71993, 74321, 30862, 233216, 7723520, 8135355, 71164798, 55423367, 299697557, 661177378, 3786977661, 2105794645

Basic calculations (n = 19987816)

Multiplication

n×y

n×2	39975632
n×3	59963448
n×4	79951264
n×5	99939080

Division

n÷y

n÷2	9993908
n÷3	6662605.3333333
n÷3	4996954
n÷5	3997563.2

Exponentiation

n^y

n²	399512788449856
n³	7.9853881051826E+21
n⁴	1.5961046813498E+29
n⁵	3.1902646687558E+36

Nth Root

^y√n

²√n	4470.7735348595
³√n	271.38662968877
⁴√n	66.863843255226
⁵√n	28.850481690026

Divisors of 19987816

1, 2, 4, 8, 1129, 2213, 2258, 4426, 4516, 8852, 9032, 17704, 2498477, 4996954, 9993908, 19987816

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19987815	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987816 can be divided by 16 positive divisors. The sum of these divisors (counting 19987816) is 1, the average is 0.0625.

Base conversion 19987816

Base	System	Value
2	Binary	1001100001111110101101000
3	Ternary	1101121111010111
4	Quaternary	1030033311220
5	Quinary	20104102231
6	Senary	1552224104
8	Octal	114176550
10	Decimal	19987816
12	Duodecimal	683b034
16	Hexadecimal	130fd68
20	Vigesimal	64i9ag
36	Base36	bwep4

Cryptographic Hash Functions

md5	180990ae952529e6ea9fcbeeea988fcd
sha1	c0ecd2857aad5260a2004ddc8241d1baec3385da
sha256	03d856d71b6863d0b88edf5b2756877769c9bc59c0f4caa3529cc98d99796be7
sha512	39f7de3c6ac79b1aa5666a6703711f91c64b21b4dfe0f3525a43058f394af430e40f4692b68f62b911653cf373d707fae51c672e5832a4871d57d7b817b8b56e
ripemd-160	ce93f8029ca55d6a2752966902959021ffea8edb

19987816 as geometric shapes

Circle

Radius = n

Diameter	39975632
Circumference	125587151.81381
Area	1.2551064412092E+15

Sphere

Radius = n

Volume	3.3449115476407E+22
Surface area	5.020425764837E+15
Circumference	125587151.81381

Square

Length = n

Perimeter	79951264
Area	399512788449856
Diagonal	28267040.469418

Cube

Length = n

Surface area	2397076730699136
Volume	7.9853881051826E+21
Space diagonal	34619912.844338

Equilateral Triangle

Length = n

Perimeter	59963448
Area	1.7299411196717E+14
Altitude	17309956.422169

Triangular Pyramid

Length = n

Surface area	1.7299411196717E+14
Volume	9.4108701326351E+20
Height	9422346.8231393