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

19987197 (number)

19987197 is an odd 8-digits composite number following 19987196 and preceding 19987198. In scientific notation, it is written as 1.9987197 × 10^7. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 13324796 positive integers (up to 19987197) that are relatively prime to 19987197.

Interesting facts

19987197 has 4 divisors, whose sum is 26649600
The reverse of 19987197 is 79178991
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6

Name

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

Notation

Scientific notation	1.9987197 × 10^7
Engineering notation	1.9987197 × 10^6

Prime Factorization of 19987197

Prime Factorization 3 × 6662399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19987197	Product of the distinct prime numbers

The prime factorization of 19987197 is 3 × 6662399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 44, 98, 198, 933, 7358, 5820, 79426, 92566, 388981, 479596, 7474211, 9736156, 91800389, 21511569, 245904808, 470948352, 534925020, 2580590840

Basic calculations (n = 19987197)

Multiplication

n×y

n×2	39974394
n×3	59961591
n×4	79948788
n×5	99935985

Division

n÷y

n÷2	9993598.5
n÷3	6662399
n÷3	4996799.25
n÷5	3997439.4

Exponentiation

n^y

n²	399488043916809
n³	7.9846462329099E+21
n⁴	1.5959069723248E+29
n⁵	3.1897707049529E+36

Nth Root

^y√n

²√n	4470.7043069297
³√n	271.38382814778
⁴√n	66.86332557486
⁵√n	28.850302994471

Divisors of 19987197

1, 3, 6662399, 19987197

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	-19987196	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 19987197 can be divided by 4 positive divisors. The sum of these divisors (counting 19987197) is 1, the average is 0.25.

Base conversion 19987197

Base	System	Value
2	Binary	1001100001111101011111101
3	Ternary	1101121110021120
4	Quaternary	1030033223331
5	Quinary	20104042242
6	Senary	1552221153
8	Octal	114175375
10	Decimal	19987197
12	Duodecimal	683a7b9
16	Hexadecimal	130fafd
20	Vigesimal	64i7jh
36	Base36	bwe7x

Cryptographic Hash Functions

md5	960bbb68110cd8f33884a2fc4c7e6c60
sha1	d456f4b36f409eee9b3412a587db4b3503498486
sha256	a991da51b26eb2963d396c82fabf98f30e4ba04212de143a424e2de99de2968f
sha512	abc6f79f7ad834621a734435c0bf005ab4ac26074d2cb159841e52db5b1b246883a77e4b792608862faaa1655c5e7085943ded2fa93760307f10007067f89703
ripemd-160	42c1be42c8e0273c0039bcf13c1c200fb771c2ea

19987197 as geometric shapes

Circle

Radius = n

Diameter	39974394
Circumference	125583262.5221
Area	1.255028703966E+15

Sphere

Radius = n

Volume	3.3446007929098E+22
Surface area	5.020114815864E+15
Circumference	125583262.5221

Square

Length = n

Perimeter	79948788
Area	399488043916809
Diagonal	28266165.071223

Cube

Length = n

Surface area	2396928263500854
Volume	7.9846462329099E+21
Space diagonal	34618840.704888

Equilateral Triangle

Length = n

Perimeter	59961591
Area	1.7298339727006E+14
Altitude	17309420.352444

Triangular Pyramid

Length = n

Surface area	1.7298339727006E+14
Volume	9.409995827777E+20
Height	9422055.0237409